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rev.1.1 _00 high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series seiko instruments inc. 1 the s-1701 series, developed based on cmos technology, is a voltage regulator with a reset function and integrates a high- accuracy voltage detector with on- chip delay circuit and a positive voltage regulator with a low dropout voltage and high output voltage on one chip. the s-1701 series is available in many types according to the selection of the voltage detector block of the voltage detector, including a sense pin input product. a built-in low on-resistance transistor provides a low dropout voltage and large output current. small ceramic capacitors are available and an external capacitor for delay is needless. small sot-23-5 and sot-89-5 packages realize high-density mounting. ? features regulator block ? output voltage: 1.5 to 5.0 v, selectable in 0.1 v steps. ? high-accuracy output voltage: 1.0% ? high peak current capability: 400 ma output is possible (at v in v out(s) + 2.0 v) *1 ? built-in on/off circuit: ensures long battery life. during power-off: 0.1 a typ., 1.0 a max. ? low esr capacitor can be used: a ceramic capacitor of 1.0 f or more can be used for the output capacitor. ? high ripple rejection: 70 db typ. (at 1.0 khz) ? built-in overcurrent protector: overcurrent of output trans istor can be restricted. ? operating voltage range: 2.0 to 6.5 v detector block ? output voltage: 1.5 to 5.5 v, selectable in 0.1 v steps. ? high-accuracy output voltage: 1.0% ? output mode: nch open-drain active low output ? no need of an external capacitor for delay ? three delay time settings: no delay (60 s), 50 ms, 100 ms ? operating voltage range: 0.8 to 6.5 v whole regulator ? low current consumption during operation: 85 a typ. ? small package: sot-23-5, sot-89-5 *1. attention should be paid to the power dissipation of the package when the output current is large. ? applications ? power supply and reset circuit for battery-powered devices ? power supply for personal communication devices ? power supply for home appliances ? packages drawing code package name package tape reel sot-23-5 mp005-a mp005-a mp005-a sot-89-5 up005-a up005-a up005-a
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 2 ? block diagram 1. s-1701 series a/ b/ c/ g/ h/ j types on/off pin : provided sense pin : vin connection *1. parasitic diode vss vdout reference voltage circuit on/off *1 on/off circuit + ? overcurrent protector vin vout reference voltage circuit + ? oscillating counter timer *1 figure 1
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 3 2. s-1701 series d/ e/ f/ k/ l/ m types on/off pin : provided sense pin : vout connection *1. parasitic diode vss vdout reference voltage circuit on/off *1 on/off circuit + ? overcurrent protector vin vout reference voltage circuit + ? oscillating counter timer *1 figure 2
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 4 3. s-1701 series n/ p/ q types on/off pin : vin connection sense pin : provided *1. parasitic diode vss vdout reference volta g e circuit *1 on/off circuit + ? overcurrent p rotector vin vout reference voltage circuit + ? oscillating counter timer *1 sense figure 3
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 5 4. s-1701 series r/ s/ t types on/off pin : vdout connection sense pin : provided *1. parasitic diode vss vdout reference volta g e circuit *1 on/off circuit + ? overcurrent p rotector vin vout reference voltage circuit + ? oscillating counter timer *1 sense figure 4
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 6 5. s-1701 series u/ v/ w types on/off pin : vin connection sense pin : vout connection *1. parasitic diode vss vdout reference volta g e circuit *1 on/off circuit + ? overcurrent p rotector vin vout reference voltage circuit + ? oscillating counter timer *1 figure 5
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 7 6. s-1701 series x/ y/ z types on/off pin : vin connection sense pin : vin connection *1. parasitic diode vss vdout reference volta g e circuit *1 on/off circuit + ? overcurrent p rotector vin vout reference voltage circuit + ? oscillating counter timer *1 figure 6
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 8 ? product name structure ? the product types, output voltage, detection volta ge, and package types for the s-1701 series can be selected at the user?s request. refer to the ? 1. product name ? for the meanings of the characters in the product name, ? 2. function list according to product type ? for product types, and ? 3. product name list ? for the full product names. 1. product name s-1701 x xx xx - xxxx package abbreviation and ic packing specifications *1 m5t1: sot-23-5, tape product u5t1: sot-89-5, tape product detection voltage *2 15 to 55 (e.g., when the output voltage is 1.5 v, it is expressed as 15.) output voltage 15 to 50 (e.g., when the output voltage is 1.5 v, it is expressed as 15.) product type *3 a to z (i and o are not provided) *1. refer to the taping specifications at the end of this book. *2. in the s-1701d to s-1701f, s-1701k to s-1701m, and s-1701u to s-1701w types (that detect output voltage), a reset signal may be output due to the undershoot of the output voltage when the input voltage or load current changes transiently . therefore, set the detection voltage after sufficient evaluation using actual devices. *3. refer to the ? 2. function list according to product type ?.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 9 2. function list according to product type table 1 regulator block detector block product type on / off pin on/off logic sense pin release delay time a provided active high vin connection (pin not provided) no delay (60 s) b provided active high vin connection (pin not provided) 50 ms c provided active high vin connection (pin not provided) 100 ms d provided active high vout connection (pin not provided) no delay (60 s) e provided active high vout connection (pin not provided) 50 ms f provided active high vout connection (pin not provided) 100 ms g provided active low vin connection (pin not provided) no delay (60 s) h provided active low vin connection (pin not provided) 50 ms j provided active low vin connection (pin not provided) 100 ms k provided active low vout connection (pin not provided) no delay (60 s) l provided active low vout connection (pin not provided) 50 ms m provided active low vout connection (pin not provided) 100 ms n vin connection (pin not provided) none provided no delay (60 s) p vin connection (pin not provided) none provided 50 ms q vin connection (pin not provided) none provided 100 ms r vdout connection (pin not provided) none provided no delay (60 s) s vdout connection (pin not provided) none provided 50 ms t vdout connection (pin not provided) none provided 100 ms u vin connection (pin not provided) none vout connection (pin not provided) no delay (60 s) v vin connection (pin not provided) none vout connection (pin not provided) 50 ms w vin connection (pin not provided) none vout connection (pin not provided) 100 ms x vin connection (pin not provided) none vin connection (pin not provided) no delay (60 s) y vin connection (pin not provided) none vin connection (pin not provided) 50 ms z vin connection (pin not provided) none vin connection (pin not provided) 100 ms
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 10 3. product name list 3. 1 s-1701 series a type on/off pin : provided on/off logic : active high sense pin : vin connection release delay time : no delay (60 s) table 2 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701a1815-m5t1 s-1701a1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701a2520-m5t1 s-1701a2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701a2521-m5t1 s-1701a2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701a2522-m5t1 s-1701a2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701a3024-m5t1 s-1701a3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701a3025-m5t1 s-1701a3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701a3026-m5t1 s-1701a3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701a3326-m5t1 s-1701a3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701a3327-m5t1 s-1701a3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701a3328-m5t1 s-1701a3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701a3430-m5t1 s-1701a3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701a5040-m5t1 s-1701a5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701a5041-m5t1 s-1701a5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701a5042-m5t1 s-1701a5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701a5043-m5t1 s-1701a5043-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 2 s-1701 series b type on/off pin : provided on/off logic : active high sense pin : vin connection release delay time : 50 ms table 3 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701b1815-m5t1 s-1701b1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701b2520-m5t1 s-1701b2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701b2521-m5t1 s-1701b2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701b2522-m5t1 s-1701b2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701b3024-m5t1 s-1701b3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701b3025-m5t1 s-1701b3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701b3026-m5t1 s-1701b3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701b3326-m5t1 s-1701b3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701b3327-m5t1 s-1701b3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701b3328-m5t1 s-1701b3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701b3430-m5t1 s-1701b3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701b5040-m5t1 s-1701b5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701b5041-m5t1 s-1701b5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701b5042-m5t1 s-1701b5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701b5043-m5t1 s-1701b5043-u5t1 remark please contact the sii marketing department fo r products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 11 3. 3 s-1701 series c type on/off pin : provided on/off logic : active high sense pin : vin connection release delay time : 100 ms table 4 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701c1815-m5t1 s-1701c1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701c2520-m5t1 s-1701c2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701c2521-m5t1 s-1701c2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701c2522-m5t1 s-1701c2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701c3024-m5t1 s-1701c3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701c3025-m5t1 s-1701c3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701c3026-m5t1 s-1701c3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701c3326-m5t1 s-1701c3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701c3327-m5t1 s-1701c3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701c3328-m5t1 s-1701c3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701c3430-m5t1 s-1701c3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701c5040-m5t1 s-1701c5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701c5041-m5t1 s-1701c5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701c5042-m5t1 s-1701c5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701c5043-m5t1 s-1701c5043-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 4 s-1701 series d type on/off pin : provided on/off logic : active high sense pin : vout connection release delay time : no delay (60 s) table 5 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701d1815-m5t1 s-1701d1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701d2520-m5t1 s-1701d2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701d2521-m5t1 s-1701d2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701d2522-m5t1 s-1701d2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701d3024-m5t1 s-1701d3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701d3025-m5t1 s-1701d3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701d3026-m5t1 s-1701d3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701d3326-m5t1 s-1701d3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701d3327-m5t1 s-1701d3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701d3328-m5t1 s-1701d3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701d3430-m5t1 s-1701d3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701d5040-m5t1 s-1701d5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701d5041-m5t1 s-1701d5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701d5042-m5t1 s-1701d5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701d5043-m5t1 s-1701d5043-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 12 3. 5 s-1701 series e type on/off pin : provided on/off logic : active high sense pin : vout connection release delay time : 50 ms table 6 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701e1815-m5t1 s-1701e1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701e2520-m5t1 s-1701e2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701e2521-m5t1 s-1701e2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701e2522-m5t1 s-1701e2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701e3024-m5t1 s-1701e3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701e3025-m5t1 s-1701e3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701e3026-m5t1 s-1701e3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701e3326-m5t1 s-1701e3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701e3327-m5t1 s-1701e3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701e3328-m5t1 s-1701e3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701e3430-m5t1 s-1701e3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701e5040-m5t1 s-1701e5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701e5041-m5t1 s-1701e5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701e5042-m5t1 s-1701e5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701e5043-m5t1 s-1701e5043-u5t1 remark please contact the sii marketing department fo r products with an output voltage or detection voltage other than those specified above. 3. 6 s-1701 series f type on/off pin : provided on/off logic : active high sense pin : vout connection release delay time : 100 ms table 7 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701f1815-m5t1 s-1701f1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701f2520-m5t1 s-1701f2520-u5t1 2.5 v 1.0% 2.1 v 1.0% S-1701F2521-M5T1 s-1701f2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701f2522-m5t1 s-1701f2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701f3024-m5t1 s-1701f3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701f3025-m5t1 s-1701f3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701f3026-m5t1 s-1701f3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701f3326-m5t1 s-1701f3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701f3327-m5t1 s-1701f3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701f3328-m5t1 s-1701f3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701f3430-m5t1 s-1701f3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701f5040-m5t1 s-1701f5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701f5041-m5t1 s-1701f5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701f5042-m5t1 s-1701f5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701f5043-m5t1 s-1701f5043-u5t1 remark please contact the sii marketing department fo r products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 13 3. 7 s-1701 series n type on/off pin : vin connection on/off logic : none sense pin : provided release delay time : no delay (60 s) table 8 output voltage detection voltage sot-23-5 sot-89-5 1.5 v 1.0% 1.5 v 1.0% s-1701n1515-m5t1 s-1701n1515-u5t1 1.8 v 1.0% 1.5 v 1.0% s-1701n1815-m5t1 s-1701n1815-u5t1 2.5 v 1.0% 1.5 v 1.0% s-1701n2515-m5t1 s-1701n2515-u5t1 2.7 v 1.0% 1.5 v 1.0% s-1701n2715-m5t1 s-1701n2715-u5t1 3.0 v 1.0% 1.5 v 1.0% s-1701n3015-m5t1 s-1701n3015-u5t1 3.3 v 1.0% 1.5 v 1.0% s-1701n3315-m5t1 s-1701n3315-u5t1 5.0 v 1.0% 1.5 v 1.0% s-1701n5015-m5t1 s-1701n5015-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 8 s-1701 series p type on/off pin : vin connection on/off logic : none sense pin : provided release delay time : 50 ms table 9 output voltage detection voltage sot-23-5 sot-89-5 1.5 v 1.0% 1.5 v 1.0% s-1701p1515-m5t1 s-1701p1515-u5t1 1.8 v 1.0% 1.5 v 1.0% s-1701p1815-m5t1 s-1701p1815-u5t1 2.5 v 1.0% 1.5 v 1.0% s-1701p2515-m5t1 s-1701p2515-u5t1 2.7 v 1.0% 1.5 v 1.0% s-1701p2715-m5t1 s-1701p2715-u5t1 3.0 v 1.0% 1.5 v 1.0% s-1701p3015-m5t1 s-1701p3015-u5t1 3.3 v 1.0% 1.5 v 1.0% s-1701p3315-m5t1 s-1701p3315-u5t1 5.0 v 1.0% 1.5 v 1.0% s-1701p5015-m5t1 s-1701p5015-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 9 s-1701 series q type on/off pin : vin connection on/off logic : none sense pin : provided release delay time : 100 ms table 10 output voltage detection voltage sot-23-5 sot-89-5 1.5 v 1.0% 1.5 v 1.0% s-1701q1515-m5t1 s-1701q1515-u5t1 1.8 v 1.0% 1.5 v 1.0% s-1701q1815-m5t1 s-1701q1815-u5t1 2.5 v 1.0% 1.5 v 1.0% s-1701q2515-m5t1 s-1701q2515-u5t1 2.7 v 1.0% 1.5 v 1.0% s-1701q2715-m5t1 s-1701q2715-u5t1 3.0 v 1.0% 1.5 v 1.0% s-1701q3015-m5t1 s-1701q3015-u5t1 3.3 v 1.0% 1.5 v 1.0% s-1701q3315-m5t1 s-1701q3315-u5t1 5.0 v 1.0% 1.5 v 1.0% s-1701q5015-m5t1 s-1701q5015-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 14 3. 10 s-1701 series r type on/off pin : vdout connection on/off logic : none sense pin : provided release delay time : no delay (60 s) table 11 output voltage detection voltage sot-23-5 sot-89-5 1.5 v 1.0% 1.5 v 1.0% s-1701r1515-m5t1 s-1701r1515-u5t1 1.8 v 1.0% 1.5 v 1.0% s-1701r1815-m5t1 s-1701r1815-u5t1 2.5 v 1.0% 1.5 v 1.0% s-1701r2515-m5t1 s-1701r2515-u5t1 2.7 v 1.0% 1.5 v 1.0% s-1701r2715-m5t1 s-1701r2715-u5t1 3.0 v 1.0% 1.5 v 1.0% s-1701r3015-m5t1 s-1701r3015-u5t1 3.3 v 1.0% 1.5 v 1.0% s-1701r3315-m5t1 s-1701r3315-u5t1 5.0 v 1.0% 1.5 v 1.0% s-1701r5015-m5t1 s-1701r5015-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 11 s-1701 series s type on/off pin : vdout connection on/off logic : none sense pin : provided release delay time : 50 ms table 12 output voltage detection voltage sot-23-5 sot-89-5 1.5 v 1.0% 1.5 v 1.0% s-1701s1515-m5t1 s-1701s1515-u5t1 1.8 v 1.0% 1.5 v 1.0% s-1701s1815-m5t1 s-1701s1815-u5t1 2.5 v 1.0% 1.5 v 1.0% s-1701s2515-m5t1 s-1701s2515-u5t1 2.7 v 1.0% 1.5 v 1.0% s-1701s2715-m5t1 s-1701s2715-u5t1 3.0 v 1.0% 1.5 v 1.0% s-1701s3015-m5t1 s-1701s3015-u5t1 3.3 v 1.0% 1.5 v 1.0% s-1701s3315-m5t1 s-1701s3315-u5t1 5.0 v 1.0% 1.5 v 1.0% s-1701s5015-m5t1 s-1701s5015-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 12 s-1701 series t type on/off pin : vdout connection on/off logic : none sense pin : provided release delay time : 100 ms table 13 output voltage detection voltage sot-23-5 sot-89-5 1.5 v 1.0% 1.5 v 1.0% s-1701t1515-m5t1 s-1701t1515-u5t1 1.8 v 1.0% 1.5 v 1.0% s-1701t1815-m5t1 s-1701t1815-u5t1 2.5 v 1.0% 1.5 v 1.0% s-1701t2515-m5t1 s-1701t2515-u5t1 2.7 v 1.0% 1.5 v 1.0% s-1701t2715-m5t1 s-1701t2715-u5t1 3.0 v 1.0% 1.5 v 1.0% s-1701t3015-m5t1 s-1701t3015-u5t1 3.3 v 1.0% 1.5 v 1.0% s-1701t3315-m5t1 s-1701t3315-u5t1 5.0 v 1.0% 1.5 v 1.0% s-1701t5015-m5t1 s-1701t5015-u5t1 remark please contact the sii marketing department fo r products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 15 3. 13 s-1701 series u type on/off pin : vin connection on/off logic : none sense pin : vout connection release delay time : no delay (60 s) table 14 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701u1815-m5t1 s-1701u1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701u2520-m5t1 s-1701u2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701u2521-m5t1 s-1701u2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701u2522-m5t1 s-1701u2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701u3024-m5t1 s-1701u3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701u3025-m5t1 s-1701u3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701u3026-m5t1 s-1701u3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701u3326-m5t1 s-1701u3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701u3327-m5t1 s-1701u3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701u3328-m5t1 s-1701u3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701u3430-m5t1 s-1701u3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701u5040-m5t1 s-1701u5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701u5041-m5t1 s-1701u5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701u5042-m5t1 s-1701u5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701u5043-m5t1 s-1701u5043-u5t1 remark please contact the sii marketing department fo r products with an output voltage or detection voltage other than those specified above. 3. 14 s-1701 series v type on/off pin : vin connection on/off logic : none sense pin : vout connection release delay time : 50 ms table 15 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701v1815-m5t1 s-1701v1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701v2520-m5t1 s-1701v2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701v2521-m5t1 s-1701v2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701v2522-m5t1 s-1701v2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701v3024-m5t1 s-1701v3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701v3025-m5t1 s-1701v3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701v3026-m5t1 s-1701v3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701v3326-m5t1 s-1701v3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701v3327-m5t1 s-1701v3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701v3328-m5t1 s-1701v3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701v3430-m5t1 s-1701v3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701v5040-m5t1 s-1701v5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701v5041-m5t1 s-1701v5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701v5042-m5t1 s-1701v5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701v5043-m5t1 s-1701v5043-u5t1 remark please contact the sii marketing department fo r products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 16 3. 15 s-1701 series w type on/off pin : vin connection on/off logic : none sense pin : vout connection release delay time : 100 ms table 16 output voltage detection voltage sot-23-5 sot-89-5 1.8 v 1.0% 1.5 v 1.0% s-1701w1815-m5t1 s-1701w1815-u5t1 2.5 v 1.0% 2.0 v 1.0% s-1701w2520-m5t1 s-1701w2520-u5t1 2.5 v 1.0% 2.1 v 1.0% s-1701w2521-m5t1 s-1701w2521-u5t1 2.5 v 1.0% 2.2 v 1.0% s-1701w2522-m5t1 s-1701w2522-u5t1 3.0 v 1.0% 2.4 v 1.0% s-1701w3024-m5t1 s-1701w3024-u5t1 3.0 v 1.0% 2.5 v 1.0% s-1701w3025-m5t1 s-1701w3025-u5t1 3.0 v 1.0% 2.6 v 1.0% s-1701w3026-m5t1 s-1701w3026-u5t1 3.3 v 1.0% 2.6 v 1.0% s-1701w3326-m5t1 s-1701w3326-u5t1 3.3 v 1.0% 2.7 v 1.0% s-1701w3327-m5t1 s-1701w3327-u5t1 3.3 v 1.0% 2.8 v 1.0% s-1701w3328-m5t1 s-1701w3328-u5t1 3.4 v 1.0% 3.0 v 1.0% s-1701w3430-m5t1 s-1701w3430-u5t1 5.0 v 1.0% 4.0 v 1.0% s-1701w5040-m5t1 s-1701w5040-u5t1 5.0 v 1.0% 4.1 v 1.0% s-1701w5041-m5t1 s-1701w5041-u5t1 5.0 v 1.0% 4.2 v 1.0% s-1701w5042-m5t1 s-1701w5042-u5t1 5.0 v 1.0% 4.3 v 1.0% s-1701w5043-m5t1 s-1701w5043-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 16 s-1701 series x type on/off pin : vin connection on/off logic : none sense pin : vin connection release delay time : no delay (60 s) table 17 output voltage detection voltage sot-23-5 sot-89-5 3.2 v 1.0% 2.8 v 1.0% s-1701x3228-m5t1 s-1701x3228-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above. 3. 17 s-1701 series y type on/off pin : vin connection on/off logic : none sense pin : vin connection release delay time : 50 ms table 18 output voltage detection voltage sot-23-5 sot-89-5 3.2 v 1.0% 2.8 v 1.0% s-1701y3228-m5t1 s-1701y3228-u5t1 remark please contact the sii marketing department for products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 17 3. 18 s-1701 series z type on/off pin : vin connection on/off logic : none sense pin : vin connection release delay time : 100 ms table 19 output voltage detection voltage sot-23-5 sot-89-5 3.2 v 1.0% 2.8 v 1.0% s-1701z3228-m5t1 s-1701z3228-u5t1 remark please contact the sii marketing department fo r products with an output voltage or detection voltage other than those specified above.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 18 ? pin configuration table 20 pin no. symbol description 1 vin input voltage pin 2 vss gnd pin 3 on/off shutdown pin a, b, c, d, e, f, g, h, j, k, l, m types 3 sense detector sense pin n, p, q, r, s, t types 3 nc *1 no connection u, v, w, x, y, z types 5 4 1 3 2 sot-23-5 top view 4 vdout detector output voltage pin 5 vout regulator output voltage pin figure 7 *1. the nc pin is electrically open. the nc pin can be connected to vin and vss. table 21 pin no. symbol description 1 vin input voltage pin 2 vss gnd pin 3 vout regulator output voltage pin 4 vdout detector output voltage pin 5 on/off shutdown pin a, b, c, d, e, f, g, h, j, k, l, m types 5 sense detector sense pin n, p, q, r, s, t types 5 4 1 3 2 sot-89-5 top view 5 nc *1 no connection u, v, w, x, y, z types figure 8 *1. the nc pin is electrically open. the nc pin can be connected to vin and vss
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 19 ? absolute maximum ratings table 22 (ta = 25 c unless otherwise specified) parameter symbol absolute maximum rating unit v in v ss ? 0.3 to v ss + 7 v v on/off v ss ? 0.3 to v in + 0.3 v input voltage v sense v ss ? 0.3 to v ss + 7 v regulator output voltage v out v ss ? 0.3 to v in + 0.3 v detector output voltage v dout v ss ? 0.3 to v ss + 7 v 300 *1 mw sot-23-5 420 *2 mw 500 *3 mw power dissipation p d sot-89-5 1000 *4 mw operating ambient temperature topr ? 40 to + 85 c storage temperature tstg ? 40 to + 125 c *1. when not mounted on printed circuit board *2. when mounted on printed circuit board [mounted board] (1) board size: 50 mm 50 mm 1.6t mm *3. when not mounted on printed circuit board *4. when mounted on printed circuit board [mounted board] (1) board size : 40 mm 40 mm 1.6t mm (2) cu wiring ratio: 180% on both sides caution the absolute maximum ratings are rated values exceeding which the product could suffer physical damage. these values must therefore not be exceeded under any conditions. (1) when mounted on printed circuit board (2) when not mounted on printed circuit board 0 50 100 150 1200 800 400 0 power dissipation p d (mw) sot-89-5 ambient temperature ta ( c) 1000 600 200 sot-23-5 0 50 100 150 1200 800 400 0 power dissipation p d (mw) sot-89-5 ambient temperature ta ( c) 1000 600 200 sot-23-5 figure 9 power dissipation of package
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 20 ? electrical characteristics 1. s-1701 series a/ b/ c/ g/ h/ j types table 23 (1/2) (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit current consumption i ss v in = v out(s) + 1.0 v, no load ? 85 110 a 3 regulator block parameter symbol conditions min. typ. max. unit test circuit output voltage *1 v out(e) v in = v out(s) + 1.0 v, i out = 30 ma v out(s) 0.99 v out(s) v out(s) 1.01 v 1 output current *2 i out v in v out(s) + 2.0 v when v out(s) = 4.5 v or higher, v in = 6.5 v 400 *7 ? ? ma 2 1.5 v v out(s) 1.6 v 0.50 0.54 0.58 v 1 1.7 v v out(s) 1.8 v ? 0.34 0.38 v 1 1.9 v v out(s) 2.3 v ? 0.19 0.29 v 1 2.4 v v out(s) 2.7 v ? 0.16 0.25 v 1 dropout voltage *3 v drop i out = 100 ma 2.8 v v out(s) 5.0 v ? 0.14 0.21 v 1 line regulation ? v in ? v out ? v out1 v out(s) + 0.5 v v in 6.5 v, i out = 30 ma ? 0.05 0.2 %/v 1 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 100 ma ? 20 40 mv 1 output voltage temperature coefficient *4 ? ta ? v out ? v out v in = v out(s) + 1.0 v, i out = 30 ma ? 40 ta + 85 c *8 ? 100 350 ppm/ c 1 current consumption during operation i ssr v in = v out(s) + 1.0 v, on/off pin = on, no load ? 80 103 a 3 input voltage v in ? 2 ? 6.5 v ? shutdown pin input voltage ?h? v sh v in = v out(s) + 1.0 v, r l = 1.0 k ? 1.5 ? ? v 4 shutdown pin input voltage ?l? v sl v in = v out(s) + 1.0 v, r l = 1.0 k ? ? ? 0.3 v 4 shutdown pin input current ?h? i sh v in = 6.5 v, v on/off = 6.5 v ? 0.1 ? 0.1 a 4 shutdown pin input current ?l? i sl v in = 6.5 v, v on/off = 0 v ? 0.1 ? 0.1 a 4 ripple rejection |rr| v in = v out(s) + 1.0 v, f = 1.0 khz, ? v rip = 0.5 vrms, i out = 30 ma ? 70 ? db 5 short-circuit current i short v in = v out(s) + 1.0 v, on/off pin = on, v out = 0 v ? 160 ? ma 2
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 21 table 23 (2/2) detector block (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit detection voltage *5 ? v det(e) ? ? v det(s) 0.99 ? v det(s) ? v det(s) 1.01 v 6 hysteresis width v hys ? 3 5 7 % 6 v in = 1.4 v (1.5 v ? v det 5.5 v) 1.0 3.0 ? ma 7 v in = 2.0 v (2.1v ? v det 5.5v) 2.0 4.5 ? ma 7 v in = 3.0 v (3.1 v ? v det 5.5 v) 3.0 5.5 ? ma 7 v in = 4.0 v (4.1 v ? v det 5.5 v) 4.0 6.0 ? ma 7 output current i dout nch, v dout = 0.5 v v in = 5.0 v (5.1 v ? v det 5.5 v) 5.0 6.5 ? ma 7 detection voltage temperature coefficient *6 ? ta ? ? v det ? ? v det ? 40 ta + 85 c *8 ? 140 550 ppm/ c 6 delay time t d no delay (t d = 60 s) ? 60 100 s 6 t d = 50 ms ms 6 t d = 100 ms t d 0.65 t d t d 1.35 ms 6 current consumption during operation i ssd v in = v out(s) + 1.0 v, on/off pin = off, no load ? 5 7 a 8 input voltage v in ? 0.8 ? 6.5 v ? current leakage of output transistor i leak v in = 6.5 v, v dout = 6.5 v ? ? 0.1 a 7 *1. v out(s) : specified output voltage v out(e) : actual output voltage at the fixed load the output voltage when fixing i out ( = 30 ma) and inputting v out(s) + 1.0 v *2. the output current at which the output voltage becomes lower than 95% of v out(e) after gradually increasing the output current. *3. v drop = v in1 ? (v out3 0.98) v out3 is the output voltage when v in = v out(s) + 1.0 v and i out = 100 ma. v in1 is the input voltage at which the output voltage becomes 98% of v out3 after gradually decreasing the input voltage. *4. the change in temperature [mv/c] of the regulator output voltage is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. the change in temperature of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. ? v det : actual detection voltage, ? v det(s) : specified detection voltage *6. the change in temperature [mv/c] of the detector detection voltage is calculated using the following equation. ? ta ? ? v det ? ? v det [mv/ c] *1 = ? v det(s) (typ.) [v] *2 ? ? v det [ppm/ c] *3 1000 ? ta *1. the change in temperature of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient *7. the output current can be at least this value. due to restrictions on the package power dissipation, this value may not be satisfied. attention should be paid to the power dissipation of the package when the output current is large. this specification is guaranteed by design. *8. since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by de sign, not tested in production.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 22 2. s-1701 series d/ e/ f/ k/ l/ m types table 24 (1/2) (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit current consumption i ss v in = v out(s) + 1.0 v, no load ? 85 110 a 3 regulator block parameter symbol conditions min. typ. max. unit test circuit output voltage *1 v out(e) v in = v out(s) + 1.0 v, i out = 30 ma v out(s) 0.99 v out(s) v out(s) 1.01 v 1 output current *2 i out v in v out(s) + 2.0 v when v out(s) = 4.5 v or higher, v in = 6.5 v 400 *7 ? ? ma 2 1.5 v v out(s) 1.6 v 0.50 0.54 0.58 v 1 1.7 v v out(s) 1.8 v ? 0.34 0.38 v 1 1.9 v v out(s) 2.3 v ? 0.19 0.29 v 1 2.4 v v out(s) 2.7 v ? 0.16 0.25 v 1 dropout voltage *3 v drop i out = 100 ma 2.8 v v out(s) 5.0 v ? 0.14 0.21 v 1 line regulation ? v in ? v out ? v out1 v out(s) + 0.5 v v in 6.5 v, i out = 30 ma ? 0.05 0.2 %/v 1 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 100 ma ? 20 40 mv 1 output voltage temperature coefficient *4 ? ta ? v out ? v out v in = v out(s) + 1.0 v, i out = 30 ma ? 40 ta + 85c *8 ? 100 350 ppm/ c 1 current consumption during operation i ssr v in = v out(s) + 1.0 v, on/off pin = on, no load ? 80 103 a 3 input voltage v in ? 2 ? 6.5 v ? shutdown pin input voltage ?h? v sh v in = v out(s) + 1.0 v, r l = 1.0 k ? 1.5 ? ? v 4 shutdown pin input voltage ?l? v sl v in = v out(s) + 1.0 v, r l = 1.0 k ? ? ? 0.3 v 4 shutdown pin input current ?h? i sh v in = 6.5 v, v on/off = 6.5 v ? 0.1 ? 0.1 a 4 shutdown pin input current ?l? i sl v in = 6.5 v, v on/off = 0 v ? 0.1 ? 0.1 a 4 ripple rejection |rr| v in = v out(s) + 1.0 v, f = 1.0 khz, ? v rip = 0.5 vrms, i out = 30 ma ? 70 ? db 5 short-circuit current i short v in = v out(s) + 1.0 v, on/off pin = on, v out = 0 v ? 160 ? ma 2
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 23 table 24 (2/2) detector block (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit detection voltage *5 ? v det ? ? v det 0.99 ? v det ? v det 1.01 v 9 hysteresis width v hys ? 3 5 7 % 9 v in = 1.4 v (1.5 v ? v det 5.5 v) 1.0 3.0 ? ma 7 v in = 2.0 v (2.1 v ? v det 5.5 v) 2.0 4.5 ? ma 7 v in = 3.0 v (3.1 v ? v det 5.5 v) 3.0 5.5 ? ma 7 v in = 4.0 v (4.1 v ? v det 5.5 v) 4.0 6.0 ? ma 7 output current i dout nch, v dout = 0.5 v v in = 5.0 v (5.1 v ? v det 5.5 v) 5.0 6.5 ? ma 7 detection voltage temperature coefficient *6 ? ta ? ? v det ? ? v det ? 40 ta + 85 c *8 ? 140 550 ppm/ c 9 delay time t d no delay (t d = 60 s) ? 60 100 s 9 t d = 50 ms ms 9 t d = 100 ms t d 0.65 t d t d 1.35 ms 9 current consumption during operation i ssd v in = v out(s) + 1.0 v, on/off pin = off, no load ? 5 7 a 8 input voltage v in ? 0.8 ? 6.5 v ? current leakage of output transistor i leak v in = 6.5 v, v dout = 6.5 v ? ? 0.1 a 7 *1. v out(s) : specified output voltage v out(e) : actual output voltage at the fixed load the output voltage when fixing i out ( = 30 ma) and inputting v out(s) + 1.0 v *2. the output current at which the output voltage becomes lower than 95% of v out(e) after gradually increasing the output current. *3. v drop = v in1 ? (v out3 0.98) v out3 is the output voltage when v in = v out(s) + 1.0 v and i out = 100 ma. v in1 is the input voltage at which the output voltage becomes 98% of v out3 after gradually decreasing the input voltage. *4. the change in temperature [mv/c] of the regulator output voltage is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. the change in temperature of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. ? v det : actual detection voltage, ? v det(s) : specified detection voltage *6. the change in temperature [mv/c] of the detector detection voltage is calculated using the following equation. ? ta ? ? v det ? ? v det [mv/ c] *1 = ? v det(s) (typ.) [v] *2 ? ? v det [ppm/ c] *3 1000 ? ta *1. the change in temperature of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient *7. the output current can be at least this value. due to restrictions on the package power dissipation, this value may not be satisfied. attention should be paid to the power dissipation of the package when the output current is large. this specification is guaranteed by design. *8. since products are not screened at high and low temperatures, the specification fo r this temperature range is guaranteed by de sign, not tested in production.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 24 3. s-1701 series n/ p/ q types table 25 (1/2) (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit current consumption i ss v in = v out(s) + 1.0 v, no load ? 85 110 a 12 regulator block parameter symbol conditions min. typ. max. unit test circuit output voltage *1 v out(e) v in = v out(s) + 1.0 v, i out = 30 ma v out(s) 0.99 v out(s) v out(s) 1.01 v 10 output current *2 i out v in v out(s) + 2.0 v when v out(s) = 4.5 v or higher, v in = 6.5 v 400 *7 ? ? ma 11 1.5 v v out(s) 1.6 v 0.50 0.54 0.58 v 10 1.7 v v out(s) 1.8 v ? 0.34 0.38 v 10 1.9 v v out(s) 2.3 v ? 0.19 0.29 v 10 2.4 v v out(s) 2.7 v ? 0.16 0.25 v 10 dropout voltage *3 v drop i out = 100 ma 2.8 v v out(s) 5.0 v ? 0.14 0.21 v 10 line regulation ? v in ? v out ? v out1 v out(s) + 0.5 v v in 6.5 v, i out = 30 ma ? 0.05 0.2 %/v 10 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 100 ma ? 20 40 mv 10 output voltage temperature coefficient *4 ? ta ? v out ? v out v in = v out(s) + 1.0 v, i out = 30 ma ? 40 ta + 85c *8 ? 100 350 ppm/ c 10 input voltage v in ? 2 ? 6.5 v ? ripple rejection |rr| v in = v out(s) + 1.0 v, f = 1.0 khz, ? v rip = 0.5 vrms, i out = 30 ma ? 70 ? db 13 short-circuit current i short v in = v out(s) + 1.0 v, on/off pin = on, v out = 0 v ? 160 ? ma 11
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 25 table 25 (2/2) detector block (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit detection voltage *5 ? v det ? ? v det 0.99 ? v det ? v det 1.01 v 14 hysteresis width v hys ? 3 5 7 % 14 v in = 1.4 v (1.5 v ? v det 5.5 v) 1.0 3.0 ? ma 15 v in = 2.0 v (2.1 v ? v det 5.5 v) 2.0 4.5 ? ma 15 v in = 3.0 v (3.1 v ? v det 5.5 v) 3.0 5.5 ? ma 15 v in = 4.0 v (4.1 v ? v det 5.5 v) 4.0 6.0 ? ma 15 output current i dout nch, v dout = 0.5 v v in = 5.0 v (5.1 v ? v det 5.5 v) 5.0 6.5 ? ma 15 detection voltage temperature coefficient *6 ? ta ? ? v det ? ? v det ? 40 ta + 85 c *8 ? 140 550 ppm/ c 14 delay time t d no delay (t d = 60 s) ? 60 100 s 14 t d = 50 ms ms 14 t d = 100 ms t d 0.65 t d t d 1.35 ms 14 input voltage v in ? 0.8 ? 6.5 v ? current leakage of output transistor i leak v in = 6.5 v, v dout = 6.5 v ? ? 0.1 a 15 *1. v out(s) : specified output voltage v out(e) : actual output voltage at the fixed load the output voltage when fixing i out ( = 30 ma) and inputting v out(s) + 1.0 v *2. the output current at which the output voltage becomes lower than 95% of v out(e) after gradually increasing the output current. *3. v drop = v in1 ? (v out3 0.98) v out3 is the output voltage when v in = v out(s) + 1.0 v and i out = 100 ma. v in1 is the input voltage at which the output voltage becomes 98% of v out3 after gradually decreasing the input voltage. *4. the change in temperature [mv/c] of the regulator output voltage is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. the change in temperature of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. ? v det : actual detection voltage, ? v det(s) : specified detection voltage *6. the change in temperature [mv/c] of the detector detection voltage is calculated using the following equation. ? ta ? ? v det ? ? v det [mv/ c] *1 = ? v det(s) (typ.) [v] *2 ? ? v det [ppm/ c] *3 1000 ? ta *1. the change in temperature of the detection voltage *2. specified output voltage *3. detection voltage temperature coefficient *7. the output current can be at least this value. due to restrictions on the package power dissipation, this value may not be satisfied. attention should be paid to the power dissipation of the package when the output current is large. this specification is guaranteed by design. *8. since products are not screened at high and low temperatures, the specification fo r this temperature range is guaranteed by de sign, not tested in production.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 26 4. s-1701 series r/ s/ t types table 26 (1/2) (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit current consumption i ss v in = v out(s) + 1.0 v, no load ? 85 110 a 12 regulator block parameter symbol conditions min. typ. max. unit test circuit output voltage *1 v out(e) v in = v out(s) + 1.0 v, i out = 30 ma v out(s) 0.99 v out(s) v out(s) 1.01 v 10 output current *2 i out v in v out(s) + 2.0 v when v out(s) = 4.5 v or higher, v in = 6.5 v 400 *7 ? ? ma 11 1.5 v v out(s) 1.6 v 0.50 0.54 0.58 v 10 1.7 v v out(s) 1.8 v ? 0.34 0.38 v 10 1.9 v v out(s) 2.3 v ? 0.19 0.29 v 10 2.4 v v out(s) 2.7 v ? 0.16 0.25 v 10 dropout voltage *3 v drop i out = 100 ma 2.8 v v out(s) 5.0 v ? 0.14 0.21 v 10 line regulation ? v in ? v out ? v out1 v out(s) + 0.5 v v in 6.5 v, i out = 30 ma ? 0.05 0.2 %/v 10 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 100 ma ? 20 40 mv 10 output voltage temperature coefficient *4 ? ta ? v out ? v out v in = v out(s) + 1.0 v, i out = 30 ma ? 40 ta + 85 c *8 ? 100 350 ppm/ c 10 input voltage v in ? 2 ? 6.5 v ? ripple rejection |rr| v in = v out(s) + 1.0 v, f = 1.0 khz, ? v rip = 0.5 vrms, i out = 30 ma ? 70 ? db 13 short-circuit current i short v in = v out(s) + 1.0 v, on/off pin = on, v out = 0 v ? 160 ? ma 11
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 27 table 26 (2/2) detector block (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit detection voltage *5 ? v det ? ? v det 0.99 ? v det ? v det 1.01 v 14 hysteresis width v hys ? 3 5 7 % 14 v in = 1.4 v (1.5 v ? v det 5.5 v) 1.0 3.0 ? ma 15 v in = 2.0 v (2.1 v ? v det 5.5 v) 2.0 4.5 ? ma 15 v in = 3.0 v (3.1 v ? v det 5.5 v) 3.0 5.5 ? ma 15 v in = 4.0 v (4.1 v ? v det 5.5 v) 4.0 6.0 ? ma 15 output current i dout nch, v dout = 0.5 v v in = 5.0 v (5.1 v ? v det 5.5 v) 5.0 6.5 ? ma 15 detection voltage temperature coefficient *6 ? ta ? ? v det ? ? v det ? 40 ta + 85 c *8 ? 140 550 ppm/ c 14 delay time t d no delay (t d = 60 s) ? 60 100 us 14 t d = 50 ms ms 14 t d = 100 ms t d 0.65 t d t d 1.35 ms 14 input voltage v in ? 0.8 ? 6.5 v ? current leakage of output transistor i leak v in = 6.5 v, v dout = 6.5 v ? ? 0.1 a 15 *1. v out(s) : specified output voltage v out(e) : actual output voltage at the fixed load the output voltage when fixing i out ( = 30 ma) and inputting v out(s) + 1.0 v *2. the output current at which the output voltage becomes lower than 95% of v out(e) after gradually increasing the output current. *3. v drop = v in1 ? (v out3 0.98) v out3 is the output voltage when v in = v out(s) + 1.0 v and i out = 100 ma. v in1 is the input voltage at which the output voltage becomes 98% of v out3 after gradually decreasing the input voltage. *4. the change in temperature [mv/c] of the regulator output voltage is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. the change in temperature of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. ? v det : actual detection voltage, ? v det(s) : specified detection voltage *6. the change in temperature [mv/c] of the detector detection voltage is calculated using the following equation. ? ta ? ? v det ? ? v det [mv/ c] *1 = ? v det(s) (typ.) [v] *2 ? ? v det [ppm/ c] *3 1000 ? ta *1. the change in temperature of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient *7. the output current can be at least this value. due to restrictions on the package power dissipation, this value may not be satisfied. attention should be paid to the power dissipation of the package when the output current is large. this specification is guaranteed by design. *8. since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in production.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 28 5. s-1701 series u/ v/ w types table 27 (1/2) (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit current consumption i ss v in = v out(s) + 1.0 v, no load ? 85 110 a 12 regulator block parameter symbol conditions min. typ. max. unit test circuit output voltage *1 v out(e) v in = v out(s) + 1.0 v, i out = 30 ma v out(s) 0.99 v out(s) v out(s) 1.01 v 10 output current *2 i out v in = v out(s) + 2.0 v when v out(s) = 4.5 v or higher, v in = 6.5 v 400 *7 ? ? ma 11 1.5 v v out(s) 1.6 v 0.50 0.54 0.58 v 10 1.7 v v out(s) 1.8 v ? 0.34 0.38 v 10 1.9 v v out(s) 2.3 v ? 0.19 0.29 v 10 2.4 v v out(s) 2.7 v ? 0.16 0.25 v 10 dropout voltage *3 v drop i out = 100 ma 2.8 v v out(s) 5.0 v ? 0.14 0.21 v 10 line regulation ? v in ? v out ? v out1 v out(s) + 0.5 v v in 6.5 v, i out = 30 ma ? 0.05 0.2 %/v 10 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 100 ma ? 20 40 mv 10 output voltage temperature coefficient *4 ? ta ? v out ? v out v in = v out(s) + 1.0 v, i out = 30 ma ? 40 ta + 85 c *8 ? 100 350 ppm/ c 10 input voltage v in ? 2 ? 6.5 v ? ripple rejection |rr| v in = v out(s) + 1.0 v, f = 1.0 khz, ? v rip = 0.5 vrms, i out = 30 ma ? 70 ? db 13 short-circuit current i short v in = v out(s) + 1.0 v, on/off pin = on, v out = 0 v ? 160 ? ma 11
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 29 table 27 (2/2) detector block (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit detection voltage *5 ? v det ? ? v det 0.99 ? v det ? v det 1.01 v 16 hysteresis width v hys ? 3 5 7 % 16 v in = 1.4 v (1.5 v ? v det 5.5 v) 1.0 3.0 ? ma 15 v in = 2.0 v (2.1 v ? v det 5.5 v) 2.0 4.5 ? ma 15 v in = 3.0 v (3.1 v ? v det 5.5 v) 3.0 5.5 ? ma 15 v in = 4.0 v (4.1 v ? v det 5.5 v) 4.0 6.0 ? ma 15 output current i dout nch, v dout = 0.5 v v in = 5.0 v (5.1 v ? v det 5.5 v) 5.0 6.5 ? ma 15 detection voltage temperature coefficient *6 ? ta ? ? v det ? ? v det ? 40 ta + 85 c *8 ? 140 550 ppm/ c 16 no delay (t d = 60 s) ? 60 100 s 16 t d = 50 ms ms 16 delay time t d t d = 100 ms t d 0.65 t d t d 1.35 ms 16 input voltage v in ? 0.8 ? 6.5 v ? current leakage of output transistor i leak v in = 6.5 v, v dout = 6.5 v ? ? 0.1 a 15 *1. v out(s) : specified output voltage v out(e) : actual output voltage at the fixed load the output voltage when fixing i out ( = 30 ma) and inputting v out(s) + 1.0 v *2. the output current at which the output voltage becomes lower than 95% of v out(e) after gradually increasing the output current. *3. v drop = v in1 ? (v out3 0.98) v out3 is the output voltage when v in = v out(s) + 1.0 v and i out = 100 ma. v in1 is the input voltage at which the output voltage becomes 98% of v out3 after gradually decreasing the input voltage. *4. the change in temperature [mv/c] of the regulator output voltage is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. the change in temperature of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. ? v det : actual detection voltage, ? v det(s) : specified detection voltage *6. the change in temperature [mv/c] of the detector detection voltage is calculated using the following equation. ? ta ? ? v det ? ? v det [mv/ c] *1 = ? v det(s) (typ.) [v] *2 ? ? v det [ppm/ c] *3 1000 ? ta *1. the change in temperature of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient *7. the output current can be at least this value. due to restrictions on the package power dissipation, this value may not be satisfied. attention should be paid to the power dissipation of the package when the output current is large. this specification is guaranteed by design. *8. since products are not screened at high and low temperatures, t he specification for this temper ature range is guaranteed by de sign, not tested in production.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 30 6. s-1701 series x/ y/ z types table 28 (1/2) (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit current consumption i ss v in = v out(s) ?? + 1.0 v, no load ? 85 110 a 12 regulator block parameter symbol conditions min. typ. max. unit test circuit output voltage *1 v out(e) v in = v out(s) + 1.0 v, i out = 30 ma v out(s) 0.99 v out(s) v out(s) 1.01 v 10 output current *2 i out v in v out(s) + 2.0 v when v out(s) = 4.5 v or higher, v in = 6.5 v 400 *7 ? ? ma 11 1.5 v v out(s) 1.6 v 0.50 0.54 0.58 v 10 1.7 v v out(s) 1.8 v ? 0.34 0.38 v 10 1.9 v v out(s) 2.3 v ? 0.19 0.29 v 10 2.4 v v out(s) 2.7 v ? 0.16 0.25 v 10 dropout voltage *3 v drop i out = 100 ma 2.8 v v out(s) 5.0 v ? 0.14 0.21 v 10 line regulation ? v in ? v out ? v out1 v out(s) + 0.5 v v in 6.5 v, i out = 30 ma ? 0.05 0.2 %/v 10 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 100 ma ? 20 40 mv 10 output voltage temperature coefficient *4 ? ta ? v out ? v out v in = v out(s) + 1.0 v, i out = 30 ma ? 40 ta + 85 c *8 ? 100 350 ppm/ c 10 input voltage v in ? 2 ? 6.5 v ? ripple rejection |rr| v in = v out(s) + 1.0 v, f = 1.0 khz, ? v rip = 0.5 vrms, i out = 30 ma ? 70 ? db 13 short-circuit current i short v in = v out(s) + 1.0 v, on/off pin = on, v out = 0 v ? 160 ? ma 11
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 31 table 28 (2/2) detector block (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit test circuit detection voltage *5 ? v det ? ? v det 0.99 ? v det ? v det 1.01 v 14 hysteresis width v hys ? 3 5 7 % 14 v in = 1.4 v (1.5 v ? v det 5.5 v) 1.0 3.0 ? ma 15 v in = 2.0 v (2.1 v ? v det 5.5 v) 2.0 4.5 ? ma 15 v in = 3.0 v (3.1 v ? v det 5.5 v) 3.0 5.5 ? ma 15 v in = 4.0 v (4.1 v ? v det 5.5 v) 4.0 6.0 ? ma 15 output current i dout nch, v dout = 0.5 v v in = 5.0 v (5.1 v ? v det 5.5 v) 5.0 6.5 ? ma 15 detection voltage temperature coefficient *6 ? ta ? ? v det ? ? v det ? 40 ta + 85 c *8 ? 140 550 ppm/ c 14 no delay (t d = 60 s) ? 60 100 s 14 t d = 50 ms ms 14 delay time t d t d = 100 ms t d 0.65 t d t d 1.35 ms 14 input voltage v in ? 0.8 ? 6.5 v ? current leakage of output transistor i leak v in = 6.5 v, v dout = 6.5 v ? ? 0.1 a 15 *1. v out(s) : specified output voltage v out(e) : actual output voltage at the fixed load the output voltage when fixing i out ( = 30 ma) and inputting v out(s) + 1.0 v *2. the output current at which the output voltage becomes lower than 95% of v out(e) after gradually increasing the output current. *3. v drop = v in1 ? (v out3 0.98) v out3 is the output voltage when v in = v out(s) + 1.0 v and i out = 100 ma. v in1 is the input voltage at which the output voltage becomes 98% of v out3 after gradually decreasing the input voltage. *4. the change in temperature [mv/c] of the regulator out put voltage is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. the change in temperature of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. ? v det : actual detection voltage, ? v det(s) : specified detection voltage *6. the change in temperature [mv/c] of the detector detec tion voltage is calculated using the following equation. ? ta ? ? v det ? ? v det [mv/ c] *1 = ? v det(s) (typ.) [v] *2 ? ? v det [ppm/ c] *3 1000 ? ta *1. the change in temperature of the detection voltage *2. specified detection voltage *3. detection voltage temperature coefficient *7. the output current can be at least this value. due to restrictions on the package power dissipation, this va lue may not be satisfied. att ention should be paid to the power dissipation of the package when the output current is la rge. this specification is guaranteed by design. *8. since products are not screened at high and low temperatures, t he specification for this temper ature range is guaranteed by de sign, not tested in production.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 32 ? test circuits 1. vss vout on/off vin v a set to power on. + + vdout 100 k ? figure 10 2. vss vout on/off vin v a set to power on. + + vdout 100 k ? figure 11 3. vss vout on/off vin a set to power on. + vdout 100 k ? figure 12 4. vss vout on/off vin v a + + vdout 100 k ? r l figure 13 5. vss vout on/off vin v + vdout 100 k ? r l set to power on. figure 14
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 33 6. vss vout on/off vin v set to shutdown. + vdout 100 k ? figure 15 7. vss vout on/off vin a set to shutdown. + vdout figure 16 8. vss vout on/off vin a set to shutdown. + vdout 100 k ? figure 17 9. vss vout on/off vin v + vdout 100 k ? set to shutdown. figure 18 10. vss vout (sense) vin v a + + vdout 100 k ? figure 19
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 34 11. vss vout (sense) vin v a + + vdout 100 k ? figure 20 12. vss vout (sense) vin a + vdout 100 k ? figure 21 13. vss vout (sense) vin v + vdout 100 k ? r l figure 22 14. vss vout (sense) vin v + vdout 100 k ? figure 23 15. vss vout (sense) vin a + vdout figure 24
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 35 16. vss vout vin v + vdout 100 k ? figure 25
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 36 ? standard circuit 1. s-1701 series a/ b/ c/ d/ e/ f/ g/ h/ j/ k/ l/ m types vss vdout on/off vin c in *1 c l *2 input vd output gnd single gnd vout vr output *1. c in is a capacitor for stabilizing the input. *2. a ceramic capacitor of 1.0 f or more can be used for c l . figure 26 2. s-1701 series n/ p/ q/ r/ s/ t/ u/ v/ w/ x/ y/ z types vss vdout (sense) * 3 vin c in *1 c l *2 input vd output gnd single gnd vout vr output *1. c in is a capacitor for stabilizing the input. *2. a ceramic capacitor of 1.0 f or more can be used for c l . *3. u/ v/ w/ x/ y/ z types of s-1701 series are no connection. figure 27 caution the above connection diagrams and constants will not guarantee successful operation. perform thorough evaluation using the actual application to set the constants. ? application conditions input capacitor (c in ): 1.0 f or more output capacitor (c l ): 1.0 f or more esr of output capacitor: 10 ? or less caution a general series regulator may oscillate, depending on the external components selected. check that no oscillation occurs in an application that uses the above capacitor.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 37 ? selection of input and output capacitors (c in , c l ) the s-1701 series requires an output capacitor betwee n the vout and vss pins for phase compensation. a ceramic capacitor with a capacitance of 1.0 f or more provides a stable operation in all temperature ranges. when using an os capacitor, tantalum capacitor , or aluminum electrolytic capacitor, a capacitor with a capacitance of 1.0 f or more and an esr of 10 ? or less is required. the output overshoot and undershoot values, which are tr ansient response characteristics, vary depending on the output capacitor value. the required capaci tance value for the input capacitor differs depending on the application. the recommended application values are c in = 1.0 f or more and c l = 1.0 f or more, however, perform thorough evaluation using the actual device, incl uding evaluation of temper ature characteristics. ? explanation of terms regulator block 1. low dropout voltage regulator the low dropout voltage regulator is a voltage regulato r whose dropout voltage is low due to its built-in low on-resistance transistor. 2. low esr a capacitor whose esr (equivalent series resistance ) is low. the s-1701 series enables use of a low esr capacitor, such as a ceramic capa citor, for the output-side capacitor (c l ). a capacitor whose esr is 10 ? or less can be used. 3. output voltage (v out ) the accuracy of the output voltage is ensured at 1.0% under the specified conditions of fixed input voltage *1 , fixed output current, and fixed temperature. *1. differs depending on the product. caution if the above conditions change, the output voltage value may vary and exceed the accuracy range of the output voltage. please see the electrical characteristics and attached characteristics data for details. 4. line regulation ? ? ? ? ? ? ? ? ? out in 1 out v v v indicates the dependency of the output voltage on the input voltage. that is, the values show how much the output voltage changes due to a change in the i nput voltage with the output current remaining unchanged. 5. load regulation ( ? v out2 ) indicates the dependency of the out put voltage on the output current. that is, the values show how much the output voltage changes due to a change in the output current with the input voltage remaining unchanged. 6. dropout voltage (v drop ) indicates the difference between the input voltage v in1 , which is the input voltage (v in ) at the point where the output voltage has fallen to 98% of the output voltage value v out3 after v in was gradually decreased from v in = v out(s) + 1.0 v, and the output voltage at that point (v out3 0.98). v drop = v in1 ? (v out3 0.98)
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 38 7. temperature coefficient of the output voltage ? ? ? ? ? ? ? ? ? out out v ta v the shaded area in figure 28 is the range where v out varies in the operating temperature range when the temperature coefficient of the output voltage is 100 ppm/ c. v out ( e ) *1 example of products with v out = 3.0 v ? 40 25 + 0.30 mv/ c v out [v] *1. v out(e) is the value of the out put voltage measured at 25 c. 85 ta [ c] ? 0.30 mv/ c figure 28 a change in the temperature of the output voltage [mv/ c] is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * 1 * *1. change in temperature of output voltage *2. specified output voltage *3. output voltage temperature coefficient
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 39 detector block 1. detection voltage ( ? v det ), release voltage ( + v det ) the detection voltage ( ? v det ) is the voltage at which the output switches to low. the detection voltage varies slightly among products of the same sp ecification. the variation of detection voltage between the specified minimum ( ? v det ) min. and the maximum ( ? v det ) max. is called the detection voltage range (refer to figure 29 ). e.g. for a product with ? v det = 3.0 v, the detection voltage is a value in the range of 2.97 v ( ? v det ) 3.03 v. this means that some products have 2.97 v for ? v det and some have 3.03 v. the release voltage ( + v det ) is the voltage at which the output switches to high. the release voltage varies slightly among products of the same specificat ion. the variation of release voltages between the specified minimum ( + v det ) min. and the maximum ( + v det ) max. is called the release voltage range (refer to figure 30 ). e.g. for a product with ? v det = 3.0 v, the release voltage is a value in the range of 3.059 v ( + v det ) 3.242 v. this means that some products have 3.059 v for + v det and some have 3.242 v. detection voltage detection voltage range v in ( ? v det ) min. ( ? v det ) max. v dout delay time release voltage release voltage range v in ( + v det ) min. ( + v det ) max. v dout figure 29 detection voltage figure 30 release voltage remark the above figures show the detection voltage and release voltage when the sense pin is connected to vin.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 40 2. hysteresis width (v hys ) the hysteresis width is the voltage difference betwe en the detection voltage and the release voltage. the existence of the hysteresis width prevents malfunction caused by noise on the input voltage. 3. delay time (t d ) the delay time is a time internally measured from the instant at which the voltage input to the vdd pin exceeds the release voltage ( + v det ) to the point at which the output of the out pin inverts. s-1701 series a / d / g / k / n / r / u / x types: no delay (60 s typ.) s-1701 series b / e / h / l / p / s / v / y types: 50 ms typ. s-1701 series c / f / j / m / q / t / w / z types: 100 ms typ. t d v in or v sense v dout when t d = 60 s v + v det t d remark the figure shows the case when the sense pin is connected to vin. when t d = 50 ms, 100 ms figure 31 4. through-type current the through-type current refers to the current t hat flows instantaneously when the voltage detector detects and releases a voltage. the through-type current flows at a frequency of 20 khz during the release delay time since the internal logic circuit operates.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 41 5. oscillation in applications where a resistor is connected to the input side ( figure 32 ), the through-type current which is generated when the output goes from low to high (release) causes a voltage drop equal to [through-type current] [input resistance] across the resistor. when the input voltage drops below the detection voltage as a result, the output voltage goes from high to low. in this state, the through- type current stops, its resultant voltage drop dis appears, and the output goes from low to high. the through-type current is then generated again, a voltage drop appears, and repeating the process finally induces oscillation. vdout vss vin r b r a v in s -1701 detector block figure 32 example of bad implementation of detection voltage changer 6. other characteristics 6. 1 temperature characteristics of detection voltage the shaded area in figure 33 is the range where v out varies within the operating temperature range when the temperature coefficient of the output voltage is 140 ppm/ c. ? 40 25 + 0.42 mv/c ? v det [v] 3.000 85 ta [c] ? 0.42 mv/c example of products with ? v det = 3.0 v figure 33 detection voltage temperature characteristics
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 42 6. 2. temperature characteristics of release voltage the temperature change ta v det ? + ? of the release voltage is calc ulated by the temperature change ta v det ? ? ? of the detection voltage as follows: ta v v v ta v det det det det ? ? ? ? + = ? + ? the temperature changes of the release volt age and the detection voltage consequently have the same sign. 6. 3. temperature characteristics of hysteresis voltage the temperature change of the hysteresis voltage is expressed as ta v ta v det det ? ? ? ? ? + ? and is calculated as follows: ta v v v ta v ta v det det hys det det ? ? ? ? = ? ? ? ? ? + ?
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 43 ? operation regulator block 1. basic operation figure 34 shows the block diagram of the regulator block. the error amplifier compares the reference voltage (v ref ) with v fb , which is the output voltage resistance divided by feedback resistors r s and r f . it supplies the output transistor with the gate voltage necessary to ensure a certain output voltage free of any fl uctuations of input voltage and temperature. output voltage is selectable from the ra nge of 1.5 to 5.0 v in the s-1701 series. v fb v ref vin vout r f r s current supply reference voltage circuit *1 *1. parasitic diode vss error amplifier ? + figure 34 block diagram (regulator block) 2. output transistor the s-1701 series uses a low on-resistance p-channel mos fet as the output transistor. be sure that v out does not exceed v in + 0.3 v to prevent the voltage regulator from being damaged due to inverse current flowing from the vout pin through a parasitic diode to the vin pin.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 44 3. shutdown pin (on/off pin) (s-1701 series a/ b/ c/ d/ e/ f/ g/ h/ j/ k/ l/ m types) this pin starts and stops the regulator. when the on/off pin is set to the shutdown level, the operation of all internal circuits stop, and the built- in p-channel mos fet output transistor between the vi n pin and vout pin is turned off to substantially reduce the current consumption. at this time, th e current consumption equals that consumed by the detector block, because the internal circuits of the detector are operating. the vout pin becomes the v ss level due to the internally divided resistance of several hundred k ? between the vout pin and vss pin. the structure of the on/off pin is as shown in figure 35 . since the on/off pin is neither pulled down nor pulled up internally, do not use it in the floating state. in addition, note th at the current consumption increases if a voltage of 0.3 v to v in ? 0.3 v is applied to the on/off pin. when the on/off pin is not used, connect it as follows according to the product type. ? s-1701 series a / b / c / d / e / f types: connect to the vin pin. ? s-1701 series g / h / j / k / l / m types: connect to the vss pin. table 29 product type on/off pin internal circuits vout pin voltage current consumption a / b / c / d / e / f ?h?: power on operating set value i ss a / b / c / d / e / f ?l?: shutdown stopped v ss level i ssd g / h / j / k / l / m ?h?: shutdown stopped v ss level i ssd g / h / j / k / l / m ?l?: power on operating set value i ss vss on/off vin figure 35
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 45 detector block 1. basic operation figure 36 shows a block diagram of the detector block. r a r b r c *1 *1. parasitic diode v ss current supply + ? v in v sense v ref n1 vdou t nch delay circuit figure 36 block diagram (detector block) (1) when the sense voltage (v sense ) is higher than the release voltage ( + v det ), the nch transistor is off and v in (high) is output. since the nch transistor n1 in figure 36 is off, (r b + r c ) ? v sense the comparator input voltage is r a + r b + r c . (2) when v sense goes below + v det , v in is output, as long as v sense remains above the detection voltage ( ? v det ). when the v sense falls below ? v det , the nch transistor becomes on, the pch transistor becomes off, and v ss is output. at this time, the nch transistor n1 in figure 36 r b ? v sense becomes on, and the comparator input voltage is changed to r a + r b . (3) when v in falls below the minimum operating voltage, the output becomes undefined. in this case the output becomes v in because it is pulled up. (4) v ss is output when v in rises above the minimum operating voltage. the v ss level still appears even when v sense surpasses ? v det , as long as it does not exceed the release voltage + v det . when v sense rises above + v det , the nch transistor becomes off and v in is output. v in at the vdout pin is delayed for t d due to the delay circuit. (5) in the s-1701 series, the detection voltage can be set within the range of 1.5 to 5.5 v (operating voltage range: 0.8 to 6.5 v).
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 46 a b v dd t d v ss minimum operating voltage output from vdout pin v in (v sense ) v ss (1) (2) (3) (5) (4) hysteresis width (v hys ) release voltage ( + v det ) detection voltage ( ? v det ) remark the above figure shows the case when the sense pin is connected to vin. figure 37 operation 2. delay circuit the delay circuit delays the output signal from the time when the sense voltage (v sense ) exceeds the release voltage ( + v det ) when v sense is turned on (refer to point b in figure 37 ). the output signal is not delayed when v sense goes below the detection voltage ( ? v det ) (refer to point a in figure 37 ). the delay time (t d ) is a fixed value that is determined by a built-in clock generator which consists of constant current an a capacitor, and counter. 3. delay circuit output voltage detection type (s -1701 series d/ e/ f/ k/ l/ m/ u/ v/ w types) if the input voltage or load current changes transi ently, an undershoot or overshoot occurs in the output voltage of the regulator. in the product ty pes in which the output voltage of the regulator is detected by the detector, if the output voltage is t he detection voltage or lower due to the undershoot, the detector operates and a reset signal may be outpu t. to prevent this, set the value of the input- and-output capacitor of a regulator so that the undershoot is the minimum value or set a voltage range that allows the difference between the out put voltage and detection voltage to be equal to or greater than the undershoot.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 47 ? explanation for each type 1. s-1701 series a/ b/ c types the s-1701 series a / b / c types provide a regulator block stan dby mode realized by an on/off function that is active high. the internal circuit of the detecto r operates in the standby mode, so only the current that the detector consumes flows. the sense pin is connected to the vin pin in the internal circuit of the detector block, so the voltage applied to the vin pin is monitored and a reset signal is output from the vdout pin. the built-in counter timer allows selection of the release delay time from three settings (a: no delay (60 s), b: 50 ms, c: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning vin pin input impedance *1 . 2. s-1701 series d/ e/ f types the s-1701 series d / e / f types provide a regulator block standby mode realized by an on/off function that is active high. the internal circuit of the detecto r operates in the standby mode, so only the current that the detector consumes flows. the sense pin is connected to the vout pin, which is an ou tput of the regulator, in the internal circuit of the detector block, so the output voltage of the regulator (v out ) is monitored and a reset signal is output from the vdout pin *2 . the built-in counter timer allows selection of the release delay time from three settings (d: no delay (60 s), e: 50 ms, f: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning the vin pin input impedance *1 . 3. s-1701 series g/ h/ j types the s-1701 series g / h / j types provide a regulator block standby mode realized by an on/off function that is active low. the internal circuit of the detec tor operates in the standby m ode, so only the current that the detector consumes flows. the sense pin is connected to the vin pin in the inter nal circuit of the detector block, so the voltage applied to the vin pin is monitored and a reset signal is output from the vdout pin. the built-in counter timer allows selection of the release delay time from three settings (g: no delay (60 s), h: 50 ms, j: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning the vin pin input impedance *1 . 4. s-1701 series k/ l/ m types the s-1701 series k / l / m types provide a regulator block standby mode realized by an on/off function that is active low. the internal circuit of the detec tor operates in the standby m ode, so only the current that the detector consumes flows. the sense pin is connected to the vout pin, which is an output of the regulator in the internal circuit of the detector block, so the output voltage of the regulator (v out ) is monitored and a reset signal is output from the vdout pin *2 . the built-in counter timer allows selection of the release delay time from three settings (k: no delay (60 s), l: 50 ms, m: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning the vin pin input impedance *1 .
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 48 5. s-1701 series n/ p/ q types the s-1701 series n / p / q types do not provide an on/off function because the on/off pin is connected to the vin pin in the circuit. the detector block features the external sense pin, whic h allows monitoring of other power supplies. the sense pin is configured only by a resistor, so inst antaneous current such as through-type current does not flow through this pin. this allows precise monitori ng of the input power supply by connecting the sense pin to the input power supply even when a resistor (r in ) is connected between the input power supply and the vin pin. the built-in counter timer allows selection of the release delay time from three settings (n: no delay (60 s), p: 50 ms, q: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning the vin pin input impedance *1 . 6. s-1701 series r/ s/ t types in the s-1701 series r / s / t types, the vdout pin, which is the output pin of the detector, is connected to the on/off pin of the regulator in the circuit. this allows setting of the regulator to the standby mode at the same time as the vdout pin outputs a reset signal. the detector block features an external sense pin, whic h allows monitoring of other power supplies. the sense pin is configured only by a resistor, so inst antaneous current such as through-type current does not flow through this pin. this allows precise monitori ng of the input power supply by connecting the sense pin to the input power supply even when a resistor (r in ) is connected between the input power supply and the vin pin. the built-in counter timer allows selection of the release delay time from three settings (r: no delay (60 s), s: 50 ms, t: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning the vin pin input impedance *1 . 7. s-1701 series u/ v/ w types the s-1701 series u / v / w types do not provide an on/off function because the on/off pin is connected to the vin pin in the circuit. the sense pin is connected to the vout pin, which is an output pin of the regulator, in the internal circuit of the detector block, so the output voltage of the regulator (v out ) is monitored and a reset signal is output from the vdout pin *2 . the built-in counter timer allows selection of the release delay time from three settings (u: no delay (60 s), v: 50 ms, w: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning the vin pin input impedance *1 . 8. s-1701 series x/ y/ z types the s-1701 series x / y / z types do not provide an on/off function because the on/off pin is connected to the vin pin in the circuit. the sense pin is connected to the vin pin in the inter nal circuit of the detector block, so the voltage applied to the vin pin is monitored and a reset signal is output from the vdout pin. the built-in counter timer allows selection of the release delay time from three settings (x: no delay (60 s), y: 50 ms, z: 100 ms). the power supply is shared by the regulator block and detector block and supplied from the vin pin, so care must be taken concerning the vin pin input impedance *1 .
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 49 *1. in s-1701 series, when connecting the resistance r in between an input power supply pin and a v in pin, and defining the current which flows into r in as i in , v in pin voltage falls by ? v in = i in r in at the time of overload, and changes by ? v in = i in r in at the time of load change. thereby, keep in mind that phenomena, such as output voltage falls and an output oscillation, occur. *2. if the input voltage or load current changes transientl y, an undershoot or overshoot occurs in the output voltage of the regulator. in the product types in whic h the output voltage of the regulator is detected by the detector, if the output voltage is the detection voltage or lower due to the undershoot, the detector operates and a reset signal may be output. to prevent this, set the value of the input-and-output capacitor of a regulator so that the undershoot is the minimum val ue or set a voltage range that allows the difference between the output voltage and detection voltage to be equal to or greater than the undershoot.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 50 ? precautions ? wiring patterns for the vin, vout and gnd pins should be designed so that the impedance is low. when mounting an output capacitor between the vout and vss pins (c l ) and a capacitor for stabilizing the input between the vin and vss pins (c in ), the distance from the capa citors to these pins should be as short as possible. ? note that the output voltage may in crease when a series regulator is used at low load current (1.0 ma or less). ? generally, a series regulator may cause oscillati on depending on the selection of external parts. the following conditions are recommended for this ic. however, be sure to perform sufficient evaluation under the actual usage conditions for selection, incl uding evaluation of temperature characteristics. input capacitor (c in ): 1.0 f or more output capacitor (c l ): 1.0 f or more equivalent series resistance (esr): 10 ? or less ? the voltage regulator may oscillate when the imp edance of the power supply is high and the input capacitor is small or an input capacitor is not connected. ? the application conditions for the input voltage, out put voltage, and load current should not exceed the package power dissipation. ? do not apply an electrostatic discharge to this ic that exceeds the performance ratings of the built-in electrostatic protection circuit. ? in determining the output current, attention should be paid to the output current value specified in tables 23 to 28 in the electrical characteristics and footnote *7 of the table. ? sii claims no responsibility for any disputes arisin g out of or in connection with any infringement by products including this ic of patents owned by a third party.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 51 ? application circuit if the desired detection voltage range is other than those provided by the s-1701 series, the detection voltage can be changed by using a divided resistor or diode in the sense pin products (n / p / q / r / s / t types) as shown in figures 41 and 42 . in the case shown in figure 41 , the hysteresis width also changes at the same time. 1. changing detection voltage using divided resistors r a *1 vdout sense vss vdd s-1701 series n to t types r b (r a 75 k ? ) vdd *1. set r a to 75 k ? or lower to prevent oscillation. figure 41 caution if r a and r b are larger, the hysteresis may be greater than the result of the above formula due to the through current of the ic. 2. changing detection voltage using diode v f1 vdout sense vss vdd s-1701 series n to t types v f2 vdd detection voltage = v f1 + v f2 + ( ? v det ) figure 42 caution the above connection diagrams (f igures 41 and 42) and constants will not guarantee successful operation. perform thorough evaluation using the actual application to set the constants. r a + r b detection voltage = r b ? ? v det r a + r b hysteresis width = r b ? v hys
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 52 ? typical characteristics 1. regulator block (1) output voltage vs. output current (when load current increases) s-1701x15xx (v out = 1.5 v, ta = 25 c) s-1701x30xx (v out = 3.0 v, ta = 25 c) v out [v] 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 200 400 600 800 2.0 v v in = 1.8 v 2.5 v 6.5 v 3.5 v v out [v] 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 400 600 800 200 0 3.5 v v in = 3.3 v 4.0 v 6.5 v 5.0 v i out [ma] i out [ma] s-1701x50xx (v out = 5.0 v, ta = 25 c) v out [v] 6 5 4 3 2 1 0 400 600 800 200 0 5.5 v v in = 5.3 v 6.0 v 6.5 v remark in determining the output current, attention should be paid to the following. 1) the minimum output current value and footnote *7 in table 23 to 28 in the ? electrical characteristics ?. 2) the package power dissipation i out [ma] (2) output voltage vs. input voltage s-1701x15xx (v out = 1.5 v, ta = 25 c) s-1701x30xx (v out = 3.0 v, ta = 25 c) v out [v] 1.60 1.55 1.50 1.45 1.40 3.5 3.0 2.5 2.0 1.5 1.0 i out = 1 ma 30 ma 100 ma v out [v] 3.10 3.05 3.00 2.95 2.90 5.0 4.5 4.0 3.5 3.0 2.5 i out = 1 ma 30 ma 100 ma v in [v] v in [v] s-1701x50xx (v out = 5.0 v, ta = 25 c) v out [v] 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 7.0 6.5 6.0 5.5 5.0 4.5 i out = 1 ma 30 ma 100 ma v in [v]
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 53 (3) dropout voltage vs. output current s-1701x15xx (v out = 1.5 v) s-1701x30xx (v out = 3.0 v) v drop [v] 1.2 1.0 0.8 0.6 0.4 0.2 0 0 50 200 300 450 100 150 250 350 400 ?40 c 25 c ta = 8 5 c v drop [v] 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 50 200 300 450 100 150 250 350 400 ? 40 c 25 c ta = 85 c i out [ma] i out [ma] s-1701x50xx (v out = 5.0 v) v drop [v] 0.6 0.5 0.4 0.3 0.2 0.1 0 0 50 200 300 450 100 150 250 350 400 ? 40 c 25 c ta = 85 c i out [ma] (4) output voltage vs. ambient temperature s-1701x15xx (v out = 1.5 v, i out = 30 ma) s-1701x30xx (v out = 3.0 v, i out = 30 ma) v out [v] 1.7 1.6 1.5 1.4 1.3 25 ? 25 75 85 ? 40 0 50 v out [v] 3.2 3.1 3.0 2.9 2.8 25 ? 25 75 85 ? 40 0 50 ta [ c] ta [ c] s-1701x50xx (v out = 5.0 v, i out = 30 ma) v out [v] 5.2 5.1 5.0 4.9 4.8 25 ? 25 75 85 ? 40 0 50 ta [ c]
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 54 (5) current consumption vs. input voltage s-1701x15xx (v out = 1.5 v) s-1701x30xx (v out = 3.0 v) i ss [ a] 90 80 70 60 50 40 30 20 10 0 6 4 2 0 1 3 5 7 ?40 c 25 c ta = 85 c i ss [ a] 90 80 70 60 50 40 30 20 10 0 6 4 2 0 1 3 5 7 ? 40 c 25 c ta = 85 c v in [v] v in [v] s-1701x50xx (v out = 5.0 v) i ss [ a] 90 80 70 60 50 40 30 20 10 0 6 4 2 0 1 3 5 7 ? 40 c 25 c ta = 85 c v in [v] (6) ripple rejection ratio s-1701x15xx (v out = 1.5 v, ta = 25 c) s-1701x30xx (v out = 3.0 v, ta = 25 c) v in = 2.5 v, c out = 1.0 f, i out = 30 ma v in = 4.0 v, c out = 1.0 f, i out = 30 ma ripple rejection [db] 1m 100 80 60 40 20 0 100 1k 10k 100k 10 ripple rejection [db] 1m 100 80 60 40 20 0 100 1k 10k 100k 10 frequency [hz] frequency [hz] s-1701x50xx (v out = 5.0 v, ta = 25 c) v in = 6.0 v, c out = 1.0 f, i out = 30 ma ripple rejection [db] 1m 100 80 60 40 20 0 100 1k 10k 100k 10 frequency [hz]
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 55 2. detector block (1) detection voltage vs. ambient temperature s-1701xxx15 ( ? v det = 1.5 v) s-1701xxx55 ( ? v det = 5.5 v) v det [v] 1.70 1.65 1.60 1.55 1.50 1.45 1.40 25 ?25 75 85 ?40 0 50 ?v det +v det v det [v] 6.2 6.0 5.8 5.6 5.4 5.2 5.0 25 ?25 75 85 ?40 0 50 ?v det +v det ta [c] ta [c] (2) hysteresis width vs. ambient temperature s-1701xxx15 ( ? v det = 1.5 v) s-1701xxx55 ( ? v det = 5.5 v) v hys [%] 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 25 ? 25 75 85 ? 40 0 50 v hys [%] 25 ? 25 75 85 ? 40 0 50 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 ta [c] ta [c] (3) detector block current consumption vs. input voltage s-1701xxx15 ( ? v det = 1.5 v) s-1701xxx55 ( ? v det = 5.5 v) i ssd [ a] 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 6 4 2 0 1 3 5 7 ? 40 c 25 c ta = 85 c i ssd [ a] 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 6 4 2 0 1 3 5 7 ? 40 c 25 c ta = 85 c v in [v] v in [v] (4) nch transistor output current vs. v ds characteristics s-1701xxx55 ( ? v det = 5.5 v, ta = 25 c) i dout [ma] 25 20 15 10 5 0 6 4 2 0 1 3 5 v in = 1.4 v 2.0 v 3.0 v 4.0 v 5.0 v v ds [v]
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 56 (5) release delay time vs. ambient temperature s-1701xxx15 (v in = 1.5 v, ? v det = 1.5 v, t d = 50 ms) s-1701xxx55 (v in = 5.5 v, ? v det = 5.5 v, t d = 100 ms) t d [ms] 100 90 80 70 60 50 40 30 20 10 0 25 ? 25 75 85 ? 40 0 50 t d [ms] 200 180 160 140 120 100 80 60 40 20 0 25 ? 25 75 85 ? 40 0 50 ta [c] ta [c] s-1701xxx45 (v in = 4.5 v, ? v det = 4.5 v, t d = 60 s) t d [ s] 100 90 80 70 60 50 40 30 20 10 0 25 ? 25 75 85 ? 40 0 50 ta [c] (6) minimum operating voltage vs. input voltage s-1701xxx15 (5 v pull up: 100 k ? , ? v det = 1.5 v) s-1701xxx15 (v in pull up: 100 k ? , ? v det = 1.5 v) v dout [v] 6 5 4 3 2 1 0 0.6 0.2 1.0 1.2 0 0.4 0.8 1.4 ? 40 c 25 c ta = 85 c v dout [v] 0.6 0.5 0.4 0.3 0.2 0.1 0 0.6 0.2 1.0 1.2 0 0.4 0.8 1.4 ? 40 c 25 c ta = 85 c v in [v] v in [v]
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 57 ? reference data (1) input transient response characteristics s-1701x15xx (v in = 2.5 v ? 3.5 v, v out =1.5 v, ta = 25 c) s-1701x30xx (v in = 4.0 v ? 5.0 v, v out = 3.0 v, ta = 25 c) i out = 100 ma, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f i out = 100 ma, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f v out [v] ?40 0 20 100 1.62 1.60 1.58 1.56 1.54 1.52 1.50 1.48 1.46 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 ?20 40 80 60 140 120 160 180 v in v out v in [v] v out [v] ?40 0 20 100 3.08 3.06 3.04 3.02 3.00 2.98 2.96 6.0 5.0 4.0 3.0 2.0 1.0 0 ?20 40 60 140 120 160 180 v in v out 80 v in [v] t [ s] t [ s] s-1701x50xx (v in = 6.0 v ? 6.5 v, v out = 5.0 v, ta = 25 c) i out = 100 ma, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f v out [v] ?40 0 20 100 5.12 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 ?20 40 80 60 140 120 160 180 v in v out v in [v] t [ s] (2) load transient response characteristics s-1701x15xx (v out =1.5 v, ta = 25 c) s-1701x30xx (v out = 3.0 v, ta = 25 c) v in = 2.5 v, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f, i out = 50 ? 100 ma v in = 4.0 v, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f, i out = 50 ? 100 ma v out [v] 1.70 1.65 1.60 1.55 1.50 1.45 1.40 150 100 50 0 ? 50 ? 10 0 0 20 100 ? 20 40 80 60 140 120 160 i out v out i out [ma] v out [v] 3.20 3.15 3.10 3.05 3.00 2.95 2.90 150 100 50 0 ? 50 ? 10 0 i out v out 0 20 100 ? 20 40 80 60 140 120 160 i out [ma] t [ s] t [ s] s-1701x50xx (v out = 5.0 v, ta = 25 c) v in = 6.0 v, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f, i out = 50 ? 100 ma v out [v] 5.20 5.15 5.10 5.05 5.00 4.95 4.90 150 100 50 0 ? 50 ? 10 0 i out v out 0 20 100 ? 20 40 80 60 140 120 160 i out [ma] t [ s]
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 58 (3) on/off pin transient response characteristics s-1701x15xx (v out = 1.5 v, ta = 25 c) s-1701x30xx (v out = 3.0 v, ta = 25 c) v in = 2.5 v, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f, i out = 100 ma v in = 4.0 v, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f, i out = 100 ma v out [v] 3 2 1 0 ? 1 ? 2 ? 3 5 4 3 2 1 0 ? 1 0 10 20 30 40 50 60 70 ? 10 80 90 v on/off v out v on/off [v] v out [v] 6 4 2 0 ? 2 ? 4 ? 6 7 6 5 4 3 2 1 0 ? 1 0 10 20 30 40 50 60 70 ? 10 80 90 v on/off v out v on/off [v] t [ s] t [ s] s-1701x50xx (v out = 5.0 v, ta = 25 c) v in = 6.0 v, t r = t f = 5.0 s, c out = 1.0 f, c in = 1.0 f, i out = 100 ma v out [v] 6 3 0 ? 3 ? 6 9 7 5 3 1 ? 1 0 10 20 30 40 50 60 70 ? 10 80 90 v on/off v out v on/off [v] t [ s] (4) dynamic response characteristics vs. c out s-1701xxx15 (v in pull up: 100 k ? , ? v det = 1.5 v, ta = 25 c) s-1701xxx55 (v in pull up: 100 k ? , ? v det = 5.5 v, ta = 25 c) response time [ms] 1000 100 10 1 0.1 0.01 0.001 0.0001 0.001 0.01 0.1 0.00001 t phl t plh response time [ms] 1000 100 10 1 0.1 0.01 0.001 t phl t plh 0.0001 0.001 0.01 0.1 0.00001 c dout [ f] c dout [ f]
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 59 (a) measurement conditions of dynamic response vs. c out 1 s 1 s v ih t phl v in 90% t plh v ih = 6.5 v, v il = 1.3 v v in 10% v il v in input voltage output voltage figure 43 (b) measurement circuit of the dynamic response for s- 1701 series a/ b/ c/ g/ h/ j/ x/ y/ z types vss vout (on/off) vin v set to power off. + vdout 100 k ? v + figure 44 (c) measurement circuit of the dynamic response for s-1701 series d/ e/ f/ k/ l/ m/ u/ v/ w types vss vout (on/off) vin v + vdout 100 k ? set to power off. v + figure 45 (d) measurement circuit of the dynamic response for s-1701 series n/ p/ q/ r/ s/ t types vss vout sense vin v + vdout 100 k ? v + figure 46 caution the above connection diagrams will not guarantee successful operation. perform thorough evaluation using the actual application to set the constants.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 60 ? marking specifications (1) sot-23-5 (1) to (3): product code (refer to product name vs. product code ) (4): lot number 5 4 1 3 2 (1) (2) (3) (4) sot-23-5 top view product name vs. product code (a) s-1701 series a type (b) s-1701 series b type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701a1815-m5t1 p 6 a s-1701b1815-m5t1 p 6 r s-1701a2520-m5t1 p 6 b s-1701b2520-m5t1 p 6 s s-1701a2521-m5t1 p 6 c s-1701b2521-m5t1 p 6 t s-1701a2522-m5t1 p 6 d s-1701b2522-m5t1 p 6 u s-1701a3024-m5t1 p 6 e s-1701b3024-m5t1 p 6 v s-1701a3025-m5t1 p 6 f s-1701b3025-m5t1 p 6 w s-1701a3026-m5t1 p 6 g s-1701b3026-m5t1 p 6 x s-1701a3326-m5t1 p 6 h s-1701b3326-m5t1 p 6 y s-1701a3327-m5t1 p 6 i s-1701b3327-m5t1 p 6 z s-1701a3328-m5t1 p 6 j s-1701b3328-m5t1 p 6 3 s-1701a3430-m5t1 p 6 k s-1701b3430-m5t1 p 8 y s-1701a5040-m5t1 p 6 l s-1701b5040-m5t1 p 6 4 s-1701a5041-m5t1 p 6 m s-1701b5041-m5t1 p 6 5 s-1701a5042-m5t1 p 6 n s-1701b5042-m5t1 p 6 6 s-1701a5043-m5t1 p 6 o s-1701b5043-m5t1 p 6 7 remark please contact the sii marketing department for pr oducts with specifications other than the above. (c) s-1701 series c type product code product name (1) (2) (3) s-1701c1815-m5t1 p 9 a s-1701c2520-m5t1 p 9 b s-1701c2521-m5t1 p 9 c s-1701c2522-m5t1 p 9 d s-1701c3024-m5t1 p 9 e s-1701c3025-m5t1 p 9 f s-1701c3026-m5t1 p 9 g s-1701c3326-m5t1 p 9 h s-1701c3327-m5t1 p 9 i s-1701c3328-m5t1 p 9 j s-1701c3430-m5t1 p 9 k s-1701c5040-m5t1 p 9 l s-1701c5041-m5t1 p 9 m s-1701c5042-m5t1 p 9 n s-1701c5043-m5t1 p 9 o remark please contact the sii marketing department for pr oducts with specifications other than the above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 61 (d) s-1701 series d type (e) s-1701 series e type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701d1815-m5t1 p v a s-1701e1815-m5t1 p v t s-1701d2520-m5t1 p v b s-1701e2520-m5t1 p v u s-1701d2521-m5t1 p v c s-1701e2521-m5t1 p v v s-1701d2522-m5t1 p v d s-1701e2522-m5t1 p v w s-1701d3024-m5t1 p v e s-1701e3024-m5t1 p v x s-1701d3025-m5t1 p v f s-1701e3025-m5t1 p v y s-1701d3026-m5t1 p v g s-1701e3026-m5t1 p v z s-1701d3326-m5t1 p v h s-1701e3326-m5t1 p v 3 s-1701d3327-m5t1 p v i s-1701e3327-m5t1 p v 4 s-1701d3328-m5t1 p v j s-1701e3328-m5t1 p v 5 s-1701d3430-m5t1 p v o s-1701e3430-m5t1 p w a s-1701d5040-m5t1 p v k s-1701e5040-m5t1 p v 6 s-1701d5041-m5t1 p v l s-1701e5041-m5t1 p v 7 s-1701d5042-m5t1 p v m s-1701e5042-m5t1 p v 8 s-1701d5043-m5t1 p v n s-1701e5043-m5t1 p v 9 remark please contact the sii marketing department for pr oducts with specifications other than the above. (f) s-1701 series f type (g) s-1701 series n type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701f1815-m5t1 p w f s-1701n1515-m5t1 p w y s-1701f2520-m5t1 p w g s-1701n1815-m5t1 p w z S-1701F2521-M5T1 p w h s-1701n2515-m5t1 p w 3 s-1701f2522-m5t1 p w i s-1701n2715-m5t1 p w 4 s-1701f3024-m5t1 p w j s-1701n3015-m5t1 p w 5 s-1701f3025-m5t1 p w k s-1701n3315-m5t1 p w 6 s-1701f3026-m5t1 p w l s-1701n5015-m5t1 p w 7 s-1701f3326-m5t1 p w m s-1701f3327-m5t1 p w n s-1701f3328-m5t1 p w o s-1701f3430-m5t1 p w t s-1701f5040-m5t1 p w p s-1701f5041-m5t1 p w q s-1701f5042-m5t1 p w r s-1701f5043-m5t1 p w s remark please contact the sii marketing department for pr oducts with specifications other than the above. (h) s-1701 series p type (i) s-1701 series q type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701p1515-m5t1 p x i s-1701q1515-m5t1 p x z s-1701p1815-m5t1 p x j s-1701q1815-m5t1 p x 3 s-1701p2515-m5t1 p x k s-1701q2515-m5t1 p x 4 s-1701p2715-m5t1 p x l s-1701q2715-m5t1 p x 5 s-1701p3015-m5t1 p x m s-1701q3015-m5t1 p x 6 s-1701p3315-m5t1 p x n s-1701q3315-m5t1 p x 7 s-1701p5015-m5t1 p x o s-1701q5015-m5t1 p x 8 remark please contact the sii marketing department for pr oducts with specifications other than the above.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 62 (j) s-1701 series r type (k) s-1701 series s type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701r1515-m5t1 p y e s-1701s1515-m5t1 p y q s-1701r1815-m5t1 p y f s-1701s1815-m5t1 p y r s-1701r2515-m5t1 p y g s-1701s2515-m5t1 p y s s-1701r2715-m5t1 p y h s-1701s2715-m5t1 p y t s-1701r3015-m5t1 p y i s-1701s3015-m5t1 p y u s-1701r3315-m5t1 p y j s-1701s3315-m5t1 p y v s-1701r5015-m5t1 p y k s-1701s5015-m5t1 p y w remark please contact the sii marketing department for pr oducts with specifications other than the above. (l) s-1701 series t type (m) s-1701 series u type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701t1515-m5t1 p z a s-1701u1815-m5t1 p z r s-1701t1815-m5t1 p z b s-1701u2520-m5t1 p z s s-1701t2515-m5t1 p z c s-1701u2521-m5t1 p z t s-1701t2715-m5t1 p z d s-1701u2522-m5t1 p z u s-1701t3015-m5t1 p z e s-1701u3024-m5t1 p z v s-1701t3315-m5t1 p z f s-1701u3025-m5t1 p z w s-1701t5015-m5t1 p z g s-1701u3026-m5t1 p z x s-1701u3326-m5t1 p z y s-1701u3327-m5t1 p z z s-1701u3328-m5t1 p z 3 s-1701u3430-m5t1 p z 8 s-1701u5040-m5t1 p z 4 s-1701u5041-m5t1 p z 5 s-1701u5042-m5t1 p z 6 s-1701u5043-m5t1 p z 7 remark please contact the sii marketing department for pr oducts with specifications other than the above. (n) s-1701 series v type (o) s-1701 series w type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701v1815-m5t1 p 7 e s-1701w1815-m5t1 p 7 x s-1701v2520-m5t1 p 7 f s-1701w2520-m5t1 p 7 y s-1701v2521-m5t1 p 7 g s-1701w2521-m5t1 p 7 z s-1701v2522-m5t1 p 7 h s-1701w2522-m5t1 p 7 3 s-1701v3024-m5t1 p 7 i s-1701w3024-m5t1 p 7 4 s-1701v3025-m5t1 p 7 j s-1701w3025-m5t1 p 7 5 s-1701v3026-m5t1 p 7 k s-1701w3026-m5t1 p 7 6 s-1701v3326-m5t1 p 7 l s-1701w3326-m5t1 p 7 7 s-1701v3327-m5t1 p 7 m s-1701w3327-m5t1 p 7 8 s-1701v3328-m5t1 p 7 n s-1701w3328-m5t1 p 7 9 s-1701v3430-m5t1 p 7 s s-1701w3430-m5t1 p 8 e s-1701v5040-m5t1 p 7 o s-1701w5040-m5t1 p 8 a s-1701v5041-m5t1 p 7 p s-1701w5041-m5t1 p 8 b s-1701v5042-m5t1 p 7 q s-1701w5042-m5t1 p 8 c s-1701v5043-m5t1 p 7 r s-1701w5043-m5t1 p 8 d remark please contact the sii marketing department for pr oducts with specifications other than the above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 63 (p) s-1701 series x type (q) s-1701 series y type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701x3228-m5t1 p 8 j s-1701y3228-m5t1 p 8 o remark please contact the sii marketing department for pr oducts with specifications other than the above. (r) s-1701 series z type product code product name (1) (2) (3) s-1701z3228-m5t1 p 8 t remark please contact the sii marketing department for pr oducts with specifications other than the above.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 64 (2) sot-89-5 (1) to (3): product code (refer to product name vs. product code ) (4) to (6): lot number 5 4 1 3 2 (2) sot-89-5 top view (1) (3) (5) (4) (6) product name vs. product code (a) s-1701 series a type (b) s-1701 series b type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701a1815-u5t1 p 6 a s-1701b1815-u5t1 p 6 r s-1701a2520-u5t1 p 6 b s-1701b2520-u5t1 p 6 s s-1701a2521-u5t1 p 6 c s-1701b2521-u5t1 p 6 t s-1701a2522-u5t1 p 6 d s-1701b2522-u5t1 p 6 u s-1701a3024-u5t1 p 6 e s-1701b3024-u5t1 p 6 v s-1701a3025-u5t1 p 6 f s-1701b3025-u5t1 p 6 w s-1701a3026-u5t1 p 6 g s-1701b3026-u5t1 p 6 x s-1701a3326-u5t1 p 6 h s-1701b3326-u5t1 p 6 y s-1701a3327-u5t1 p 6 i s-1701b3327-u5t1 p 6 z s-1701a3328-u5t1 p 6 j s-1701b3328-u5t1 p 6 3 s-1701a3430-u5t1 p 6 k s-1701b3430-u5t1 p 8 y s-1701a5040-u5t1 p 6 l s-1701b5040-u5t1 p 6 4 s-1701a5041-u5t1 p 6 m s-1701b5041-u5t1 p 6 5 s-1701a5042-u5t1 p 6 n s-1701b5042-u5t1 p 6 6 s-1701a5043-u5t1 p 6 o s-1701b5043-u5t1 p 6 7 remark please contact the sii marketing department for pr oducts with specifications other than the above. (c) s-1701 series c type product code product name (1) (2) (3) s-1701c1815-u5t1 p 9 a s-1701c2520-u5t1 p 9 b s-1701c2521-u5t1 p 9 c s-1701c2522-u5t1 p 9 d s-1701c3024-u5t1 p 9 e s-1701c3025-u5t1 p 9 f s-1701c3026-u5t1 p 9 g s-1701c3326-u5t1 p 9 h s-1701c3327-u5t1 p 9 i s-1701c3328-u5t1 p 9 j s-1701c3430-u5t1 p 9 k s-1701c5040-u5t1 p 9 l s-1701c5041-u5t1 p 9 m s-1701c5042-u5t1 p 9 n s-1701c5043-u5t1 p 9 o remark please contact the sii marketing department for pr oducts with specifications other than the above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 65 (d) s-1701 series d type (e) s-1701 series e type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701d1815-u5t1 p v a s-1701e1815-u5t1 p v t s-1701d2520-u5t1 p v b s-1701e2520-u5t1 p v u s-1701d2521-u5t1 p v c s-1701e2521-u5t1 p v v s-1701d2522-u5t1 p v d s-1701e2522-u5t1 p v w s-1701d3024-u5t1 p v e s-1701e3024-u5t1 p v x s-1701d3025-u5t1 p v f s-1701e3025-u5t1 p v y s-1701d3026-u5t1 p v g s-1701e3026-u5t1 p v z s-1701d3326-u5t1 p v h s-1701e3326-u5t1 p v 3 s-1701d3327-u5t1 p v i s-1701e3327-u5t1 p v 4 s-1701d3328-u5t1 p v j s-1701e3328-u5t1 p v 5 s-1701d3430-u5t1 p v o s-1701e3430-u5t1 p w a s-1701d5040-u5t1 p v k s-1701e5040-u5t1 p v 6 s-1701d5041-u5t1 p v l s-1701e5041-u5t1 p v 7 s-1701d5042-u5t1 p v m s-1701e5042-u5t1 p v 8 s-1701d5043-u5t1 p v n s-1701e5043-u5t1 p v 9 remark please contact the sii marketing department for pr oducts with specifications other than the above. (f) s-1701 series f type (g) s-1701 series n type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701f1815-u5t1 p w f s-1701n1515-u5t1 p w y s-1701f2520-u5t1 p w g s-1701n1815-u5t1 p w z s-1701f2521-u5t1 p w h s-1701n2515-u5t1 p w 3 s-1701f2522-u5t1 p w i s-1701n2715-u5t1 p w 4 s-1701f3024-u5t1 p w j s-1701n3015-u5t1 p w 5 s-1701f3025-u5t1 p w k s-1701n3315-u5t1 p w 6 s-1701f3026-u5t1 p w l s-1701n5015-u5t1 p w 7 s-1701f3326-u5t1 p w m s-1701f3327-u5t1 p w n s-1701f3328-u5t1 p w o s-1701f3430-u5t1 p w t s-1701f5040-u5t1 p w p s-1701f5041-u5t1 p w q s-1701f5042-u5t1 p w r s-1701f5043-u5t1 p w s remark please contact the sii marketing department for pr oducts with specifications other than the above. (h) s-1701 series p type (i) s-1701 series q type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701p1515-u5t1 p x i s-1701q1515-u5t1 p x z s-1701p1815-u5t1 p x j s-1701q1815-u5t1 p x 3 s-1701p2515-u5t1 p x k s-1701q2515-u5t1 p x 4 s-1701p2715-u5t1 p x l s-1701q2715-u5t1 p x 5 s-1701p3015-u5t1 p x m s-1701q3015-u5t1 p x 6 s-1701p3315-u5t1 p x n s-1701q3315-u5t1 p x 7 s-1701p5015-u5t1 p x o s-1701q5015-u5t1 p x 8 remark please contact the sii marketing department for pr oducts with specifications other than the above.
high ripple-rejection low dropout cmos voltage regulator with reset function s-1701 series rev.1.1 _00 seiko instruments inc. 66 (j) s-1701 series r type (k) s-1701 series s type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701r1515-u5t1 p y e s-1701s1515-u5t1 p y q s-1701r1815-u5t1 p y f s-1701s1815-u5t1 p y r s-1701r2515-u5t1 p y g s-1701s2515-u5t1 p y s s-1701r2715-u5t1 p y h s-1701s2715-u5t1 p y t s-1701r3015-u5t1 p y i s-1701s3015-u5t1 p y u s-1701r3315-u5t1 p y j s-1701s3315-u5t1 p y v s-1701r5015-u5t1 p y k s-1701s5015-u5t1 p y w remark please contact the sii marketing department for pr oducts with specifications other than the above. (l) s-1701 series t type (m) s-1701 series u type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701t1515-u5t1 p z a s-1701u1815-u5t1 p z r s-1701t1815-u5t1 p z b s-1701u2520-u5t1 p z s s-1701t2515-u5t1 p z c s-1701u2521-u5t1 p z t s-1701t2715-u5t1 p z d s-1701u2522-u5t1 p z u s-1701t3015-u5t1 p z e s-1701u3024-u5t1 p z v s-1701t3315-u5t1 p z f s-1701u3025-u5t1 p z w s-1701t5015-u5t1 p z g s-1701u3026-u5t1 p z x s-1701u3326-u5t1 p z y s-1701u3327-u5t1 p z z s-1701u3328-u5t1 p z 3 s-1701u3430-u5t1 p z 8 s-1701u5040-u5t1 p z 4 s-1701u5041-u5t1 p z 5 s-1701u5042-u5t1 p z 6 s-1701u5043-u5t1 p z 7 remark please contact the sii marketing department for pr oducts with specifications other than the above. (n) s-1701 series v type (o) s-1701 series w type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701v1815-u5t1 p 7 e s-1701w1815-u5t1 p 7 x s-1701v2520-u5t1 p 7 f s-1701w2520-u5t1 p 7 y s-1701v2521-u5t1 p 7 g s-1701w2521-u5t1 p 7 z s-1701v2522-u5t1 p 7 h s-1701w2522-u5t1 p 7 3 s-1701v3024-u5t1 p 7 i s-1701w3024-u5t1 p 7 4 s-1701v3025-u5t1 p 7 j s-1701w3025-u5t1 p 7 5 s-1701v3026-u5t1 p 7 k s-1701w3026-u5t1 p 7 6 s-1701v3326-u5t1 p 7 l s-1701w3326-u5t1 p 7 7 s-1701v3327-u5t1 p 7 m s-1701w3327-u5t1 p 7 8 s-1701v3328-u5t1 p 7 n s-1701w3328-u5t1 p 7 9 s-1701v3430-u5t1 p 7 s s-1701w3430-u5t1 p 8 e s-1701v5040-u5t1 p 7 o s-1701w5040-u5t1 p 8 a s-1701v5041-u5t1 p 7 p s-1701w5041-u5t1 p 8 b s-1701v5042-u5t1 p 7 q s-1701w5042-u5t1 p 8 c s-1701v5043-u5t1 p 7 r s-1701w5043-u5t1 p 8 d remark please contact the sii marketing department for pr oducts with specifications other than the above.
high ripple-rejection low dropout cmos voltage regulator with reset function rev.1.1 _00 s-1701 series seiko instruments inc. 67 (p) s-1701 series x type (q) s-1701 series y type product code product code product name (1) (2) (3) product name (1) (2) (3) s-1701x3228-u5t1 p 8 j s-1701y3228-u5t1 p 8 o remark please contact the sii marketing department for pr oducts with specifications other than the above. (r) s-1701 series z type product code product name (1) (2) (3) s-1701z3228-u5t1 p 8 t remark please contact the sii marketing department for pr oducts with specifications other than the above.

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the information described herein is subject to change without notice. seiko instruments inc. is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties. the application circuit examples explain typical applications of the products, and do not guarantee the success of any specific mass-production design. when the products described herein are regulated products subject to the wassenaar arrangement or other agreements, they may not be exported without authorization from the appropriate governmental authority. use of the information described herein for other purposes and/or reproduction or copying without the express permission of seiko instruments inc. is strictly prohibited. the products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of seiko instruments inc. although seiko instruments inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. the user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.

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