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s-11l10 series www.sii-ic.com super-low output voltage low dropout cmos voltage regulator ? seiko instruments inc., 2009-2010 rev.2.0 _00 seiko instruments inc. 1 s-11l10 series, developed using the cmos technology, is a positive voltage regulator ic which has the low output voltage, the high-accuracy output voltage and the low current consumption (150 ma output current). a 1.0 f small ceramic capacitor can be used. it oper ates with low current consumption of 9 a typ. the overcurrent protection circuit prev ents the load current from exceeding the capacit ance of output transistor. the power-off circuit ensures longer battery life. various capacitors, also small ceramic capacitors, can be used for this ic more than for the conventional regulator ics which have cmos technology. furthermore a small sot-23-5 and snt-6a(h ) packages realize hi gh-density mounting. ? features ? low output voltage: 0.8 v to 3. 3 v, selectable in 0.05 v step. ? low input voltage: 1.2 v to 3.65 v ? low equivalent series resistance c apacitor : ceramic capacitor of 1.0 f or more can be used as the i/o capacitor. ? high-accuracy output voltage: 1.0% (0.8 v to 1.45 v output product : 15 mv) ? low dropout voltage: 210 mv typ. (pr oducts having the out put of 1.5 v, i out = 100 ma) ? low current consumpti on: during operation: 9.0 a typ., 16 a max. during power-off: 0.1 a typ., 0.9 a max. ? output current: possible to output 150 ma (at v in v out(s) + 1.0 v) *1 ? ripple rejection: 60 db typ. (at 1.0 khz, v out = 1.25 v) ? built-in overcurrent protection circuit: limits overcurrent of output transistor ? built-in power-off circuit: ensures long battery life. ? discharge shunt function ? selectable constant cu rrent source pull-down ? lead-free, sn 100%, halogen-free *2 *1. attention should be paid to the power dissipation of the package when the out put current is large. *2. refer to ? ? product name structure ? for details. ? applications ? power supply for battery-powered devices ? power supply for mobile phones ? power supply for portable equipment ? packages ? sot-23-5 ? snt-6a(h)
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 2 ? block diagrams 1. s-11l10 series b type function status on / off logic active ?h? constant current source pull-down available vss on / off vin vout overcurrent protection circuit reference voltage circuit + ? *1 *1 power-off circuit *1. parasitic diode figure 1 2. s-11l10 series d type function status on / off logic active ?h? constant current source pull-down none vss on / off vin vout overcurrent protection circuit reference voltage circuit + ? *1 *1 power-off circuit *1. parasitic diode figure 2
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 3 ? product name structure users can select the product type, output voltage, and package type fo r the s-11l10 series. refer to ? 1. product name ? regarding the content s of product name, ? 2. function list of product type ? regarding the product type, ? 3. package ? regarding the package drawings. 1. product name (1) snt-6a(h) s-11l10 x xx ? i6t2 x output voltage *2 08 to 33 (e.g., when the output voltage is 1.0 v, it is expressed as 10.) environmental code u: lead-free (sn 100%), halogen-free g: lead-free (for details, please contact our sales office) product type *3 b or d package abbreviation and ic packing specifications *1 i6t2: snt-6a(h), tape *1. refer to the tape specifications. *2. if you request the product which has 0.05 v step, contact our sales office. *3. refer to ? 2. function list of product type ?. (2) sot-23-5 s-11l10 x xx ? m5t1 u output voltage *2 08 to 33 (e.g., when the output voltage is 1.0 v, it is expressed as 10.) environmental code u: lead-free (sn 100%), halogen-free product type *3 b or d package abbreviation and ic packing specifications *1 m5t1: sot-23-5, tape *1. refer to the tape specifications. *2. if you request the product which has 0.05 v step, contact our sales office. *3. refer to ? 2. function list of product type ?.
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 4 2. function list of product type table 1 product type on / off logic constant current source pull-down b active ?h? available d active ?h? none 3. package drawing code package name package tape reel land sot-23-5 mp005-a-p-sd mp005-a-c-sd mp005-a-r-sd ? snt-6a(h) pi006-a-p-sd pi006-a-c- sd pi006-a-r-sd pi006-a-l-sd 4. product name list 4. 1 s-11l10 series b type on / off logic: active ?h? constant current source pull-down : available table 2 output voltage sot-23-5 snt-6a(h) 0.8 v 15 mv s-11l10b08-m5t1u s-11l10b08-i6t2x 0.9 v 15 mv s-11l10b09-m5t1u s-11l10b09-i6t2x 1.0 v 15 mv s-11l10b10-m5t1u s-11l10b10-i6t2x 1.1 v 15 mv s-11l10b11-m5t1u s-11l10b11-i6t2x 1.2 v 15 mv s-11l10b12-m5t1u s-11l10b12-i6t2x 1.3 v 15 mv s-11l10b13-m5t1u s-11l10b13-i6t2x 1.4 v 15 mv s-11l10b14-m5t1u s-11l10b14-i6t2x 1.5 v 1.0% s-11l10b15-m5t1u s-11l10b15-i6t2x 1.6 v 1.0% s-11l10b16-m5t1u s-11l10b16-i6t2x 1.7 v 1.0% s-11l10b17-m5t1u s-11l10b17-i6t2x 1.8 v 1.0% s-11l10b18-m5t1u s-11l10b18-i6t2x 1.9 v 1.0% s-11l10b19-m5t1u s-11l10b19-i6t2x 2.0 v 1.0% s-11l10b20-m5t1u s-11l10b20-i6t2x 2.1 v 1.0% s-11l10b21-m5t1u s-11l10b21-i6t2x 2.2 v 1.0% s-11l10b22-m5t1u s-11l10b22-i6t2x 2.3 v 1.0% s-11l10b23-m5t1u s-11l10b23-i6t2x 2.4 v 1.0% s-11l10b24-m5t1u s-11l10b24-i6t2x 2.5 v 1.0% s-11l10b25-m5t1u s-11l10b25-i6t2x 2.6 v 1.0% s-11l10b26-m5t1u s-11l10b26-i6t2x 2.7 v 1.0% s-11l10b27-m5t1u s-11l10b27-i6t2x 2.8 v 1.0% s-11l10b28-m5t1u s-11l10b28-i6t2x 2.9 v 1.0% s-11l10b29-m5t1u s-11l10b29-i6t2x 3.0 v 1.0% s-11l10b30-m5t1u s-11l10b30-i6t2x 3.1 v 1.0% s-11l10b31-m5t1u s-11l10b31-i6t2x 3.2 v 1.0% s-11l10b32-m5t1u s-11l10b32-i6t2x 3.3 v 1.0% s-11l10b33-m5t1u s-11l10b33-i6t2x remark 1. please contact our sales office for products with specifications other than the above. 2. x: g or u 3. please select products of environmental code = u for sn 100%, halogen-free products.
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 5 4. 2 s-11l10 series d type on / off logic: active ?h? constant current source pull-down : none table 3 output voltage sot-23-5 snt-6a(h) 0.8 v 15 mv s-11l10d08-m5t1u s-11l10d08-i6t2x 0.9 v 15 mv s-11l10d09-m5t1u s-11l10d09-i6t2x 1.0 v 15 mv S-11L10D10-M5T1U s-11l10d10-i6t2x 1.1 v 15 mv s-11l10d11-m5t1u s-11l10d11-i6t2x 1.2 v 15 mv s-11l10d12-m5t1u s-11l10d12-i6t2x 1.3 v 15 mv s-11l10d13-m5t1u s-11l10d13-i6t2x 1.4 v 15 mv s-11l10d14-m5t1u s-11l10d14-i6t2x 1.5 v 1.0% s-11l10d15-m5t1u s-11l10d15-i6t2x 1.6 v 1.0% s-11l10d16-m5t1u s-11l10d16-i6t2x 1.7 v 1.0% s-11l10d17-m5t1u s-11l10d17-i6t2x 1.8 v 1.0% s-11l10d18-m5t1u s-11l10d18-i6t2x 1.9 v 1.0% s-11l10d19-m5t1u s-11l10d19-i6t2x 2.0 v 1.0% s-11l10d20-m5t1u s-11l10d20-i6t2x 2.1 v 1.0% s-11l10d21-m5t1u s-11l10d21-i6t2x 2.2 v 1.0% s-11l10d22-m5t1u s-11l10d22-i6t2x 2.3 v 1.0% s-11l10d23-m5t1u s-11l10d23-i6t2x 2.4 v 1.0% s-11l10d24-m5t1u s-11l10d24-i6t2x 2.5 v 1.0% s-11l10d25-m5t1u s-11l10d25-i6t2x 2.6 v 1.0% s-11l10d26-m5t1u s-11l10d26-i6t2x 2.7 v 1.0% s-11l10d27-m5t1u s-11l10d27-i6t2x 2.8 v 1.0% s-11l10d28-m5t1u s-11l10d28-i6t2x 2.9 v 1.0% s-11l10d29-m5t1u s-11l10d29-i6t2x 3.0 v 1.0% s-11l10d30-m5t1u s-11l10d30-i6t2x 3.1 v 1.0% s-11l10d31-m5t1u s-11l10d31-i6t2x 3.2 v 1.0% s-11l10d32-m5t1u s-11l10d32-i6t2x 3.3 v 1.0% s-11l10d33-m5t1u s-11l10d33-i6t2x remark 1. please contact our sales office for products with specifications other than the above. 2. x: g or u 3. please select products of environmental code = u for sn 100%, halogen-free products.
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 6 ? pin configuration table 4 pin no. symbol description 1 vin input voltage pin 2 vss gnd pin 3 on / off on / off pin 4 nc *1 no connection 5 vout output voltage pin 5 4 1 3 2 sot-23-5 top view *1. the nc pin is electrically open. the nc pin can be connected to vin or vss. figure 3 table 5 pin no. symbol description 1 vout output voltage pin 2 vss gnd pin 3 nc *1 no connection 4 on / off on / off pin 5 vss gnd pin 6 vin input voltage pin snt-6a(h) top vie w 1 2 3 4 6 5 *1. the nc pin is electrically open. the nc pin can be connected to vin or vss. figure 4
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 7 ? absolute maximum ratings table 6 (ta = 25 c unless otherwise specified) item symbol absolute maximum rating unit v in v ss ? 0.3 to v ss + 4.0 v input voltage v on / off v ss ? 0.3 to v in + 0.3 v output voltage v out v ss ? 0.3 to v in + 0.3 v sot-23-5 600 *1 mw power dissipation snt-6a(h) p d 500 *1 mw operating ambient temperature t opr ? 40 to + 85 c storage temperature t stg ? 40 to + 125 c *1. when mounted on board [mounted board] (1) board size : 114.3 mm 76.2 mm t1.6 mm (2) name : jedec standard51-7 caution the absolute maximum ra tings are rated values exceeding whic h the product could suffer physical damage. these values must therefore not be exceeded under any conditions. 0 50 100 150 600 400 0 power dissiaption (p d ) [mw] ambient temperature (ta) [ c] snt-6a ( h ) 200 sot-23-5 figure 5 power dissipation of package
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 8 ? electrical characteristics table 7 (1 / 2) (ta = 25 c unless otherwise specified) item symbol conditions min. typ. max. unit test circuit 0.8 v v out(s) < 1.5 v v out(s) ? 0.015 v out(s) v out(s) + 0.015 v 1 v in = v out(s) + 1.0 v, i out = 30 ma 1.5 v v out(s) 2.65 v v out(s) 0.99 v out(s) v out(s) 1.01 v 1 output voltage *1 v out(e) v in = 3.65 v, i out = 30 ma 2.65 v < v out(s) 3.3 v v out(s) 0.99 v out(s) v out(s) 1.01 v 1 v in v out(s) + 1.0 v 0.8 v v out(s) 2.65 v 150 *5 ? ? ma 3 output current *2 i out v in = 3.65 v 2.65 v < v out(s) 3.3 v 150 *5 ? ? ma 3 0.8 v v out(s) < 1.1 v 0.40 0.44 0.48 v 1 1.1 v v out(s) < 1.3 v ? 0.28 0.42 v 1 1.3 v v out(s) < 1.5 v ? 0.24 0.36 v 1 1.5 v v out(s) < 1.7 v ? 0.21 0.32 v 1 dropout voltage *3 v drop i out = 100 ma 1.7 v v out(s) 3.3 v ? 0.19 0.29 v 1 v out(s) + 0.5 v v in 3.65 v, i out = 30 ma 0.8 v v out(s) < 2.9 v ? 0.05 0.2 %/v 1 line regulation v in ? v out v out1 3.4 v v in 3.65 v, i out = 30 ma 2.9 v v out(s) 3.3 v ? 0.05 0.2 %/v 1 v in = v out(s) + 1.0 v, 10 a i out 100 ma 0.8 v v out(s) 2.65 v ? 20 40 mv 1 load regulation v out2 v in = 3.65 v, 10 a i out 100 ma 2.65 v < v out(s) 3.3 v ? 20 40 mv 1 v in = v out(s) + 1.0 v, i out = 30 ma, ? 40 c ta +85 c 0.8 v v out(s) 2.65 v ? 150 ? ppm/ c1 output voltage temperature coefficient *4 ta ? v out v out v in = 3.65 v, i out = 30 ma, ? 40 c ta +85 c 2.65 v < v out(s) 3.3 v ? 150 ? ppm/ c1 v in = v out(s) + 1.0 v, on / off pin = on, no load 0.8 v v out(s) 2.65 v ? 9 16 a 2 current consumption during operation i ss1 v in = 3.65 v, on / off pin = on, no load 2.65 v < v out(s) 3.3 v ? 9 16 a 2 v in = v out(s) + 1.0 v, on / off pin = off, no load 0.8 v v out(s) 2.65 v ? 0.1 0.9 a 2 current consumption during power-off i ss2 v in = 3.65 v, on / off pin = off, no load 2.65 v < v out(s) 3.3 v ? 0.1 0.9 a 2
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 9 table 7 (2 / 2) (ta = 25 c unless otherwise specified) item symbol conditions min. typ. max. unit test circuit input voltage v in ? 1.2 ? 3.65 v ? v in = v out(s) + 1.0 v, r l = 1.0 k , determined by v out output level 0.8 v v out(s) 2.65 v 0.9 ? ? v 4 on / off pin input voltage ?h? v sh v in = 3.65 v, r l = 1.0 k , determined by v out output level 2.65 v < v out(s) 3.3 v 0.9 ? ? v 4 v in = v out(s) + 1.0 v, r l = 1.0 k , determined by v out output level 0.8 v v out(s) 2.65 v ? ? 0.2 v 4 on / off pin input voltage ?l? v sl v in = 3.65 v, r l = 1.0 k , determined by v out output level 2.65 v < v out(s) 3.3 v ? ? 0.2 v 4 b type 0.05 ? 0.55 a 4 on / off pin input current ?h? i sh v in = 3.65 v, v on / off = 3.65 v d type ? 0.1 ? 0.1 a 4 on / off pin input current ?l? i sl v in = 3.65 v, v on / off = 0 v ? 0.1 ? 0.1 a 4 0.8 v v out(s) 1.25 v ? 60 ? db 5 v in = v out(s) + 1.0 v, f = 1.0 khz, v rip = 0.5 vrms, i out = 30 ma 1.25 v < v out(s) 2.65 v ? 55 ? db 5 ripple rejection rr v in = 3.65 v, f = 1.0 khz, v rip = 0.5 vrms, i out = 30 ma 2.65 v < v out(s) 3.3 v ? 55 ? db 5 v in = v out(s) + 1.0 v, on / off pin = on, v out = 0 v 0.8 v v out(s) 2.65 v ? 150 ? ma 3 short-circuit current i short v in = 3.65 v, on / off pin = on, v out = 0 v 2.65 v < v out(s) 3.3 v ? 150 ? ma 3 ?l? output nch on resistance r low v out = 0.1 v, v in = 3.65 v ? 100 ? 3 *1. v out(s) : specified output voltage v out(e) : actual output voltage output voltage when fixing i out (= 30 ma) and inputting v out(s) +1.0 v or 3.65 v *2. the output current at which t he output voltage becomes 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 or 3.65 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] is calculated using the following equation. v out ta [] mv/c *1 = v out(s) [] v *2 v out ta ? v out [] ppm/c *3 1000 *1. change in temperature of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. the output current can be at least this value. due to restrictions on the package power dissipation, this value may not be sati sfied. attention s hould be paid to the power dissipation of the package w hen the output current is large. this specification is guaranteed by design.
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 10 ? test circuits 1. + vout vin vss + v a on / off set to power on figure 6 2. vout vin vss set to v in or gnd + a on / off figure 7 3. set to v in or gnd vout vin vss + v + a on / off figure 8 4. vout vin vss + v + a r l on / off figure 9 5. vout vin vss + v r l set to power on on / off figure 10
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 11 ? standard circuit c in *1 c l *2 input output gnd single gnd vout vin vss on / off *1. c in is a capacitor for stabilizing the input. *2. ceramic capacitor of 1.0 f or more can be used as c l . figure 11 caution the above connection diag ram and constant will not guara ntee successful operation. perform thorough evaluation using the actual application to set the constant. ? condition of application input capacitor (c in ) : 1.0 f or more output capacitor (c l ) : 1.0 f or more (ceramic capacitor) caution a general series regulator may oscillate, depending on the external components. confirm that no oscillation occurs in the application fo r which the above capacitors are used. ? selection of input and output capacitors (c in , c l ) the s-11l10 series requires an output c apacitor between the vout and vss pin fo r phase compensation. operation is stabilized by a ceramic capacitor with an output c apacitance of 1.0 f or more over the ent ire temperature range. when using an os capacitor, tantalum c apacitor, or aluminum electrolytic capacitor, the capac itance must be 1.0 f or more. the value of the output ov ershoot or undershoot transi ent response varies depending on the value of the output capacitor. the required capacitanc e of the input capacitor di ffers depending on the application. the recommended capacitance for an application is c in 1.0 f, c l 1.0 f; however, when selecting the output capacitor, perform sufficient evaluation, including evaluation of temperature characteristics, on the actual device.
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 12 ? explanation of terms 1. low dropout voltage regulator this ic?s voltage regulator has t he low dropout voltage due to its built -in low on-resistance transistor. 2. output voltage (v out ) the accuracy of the output voltage is ensured at 1.0% or 15 mv *1 under the specified condi tions of fixed input voltage *2 , fixed output current, and fixed temperature. *1. differs depending on the product. *2. when v out < 1.5 v : 15 mv, when 1.5 v v out : 1.0% caution if the above conditions change, the output voltage value may vary and exceed the accuracy range of the output voltage. refer to ? ? electrical characteristics? and ? ? characteristics (typical data)? for details. 3. line regulation ? ? ? ? v out1 v in ? v out indicates the dependency of the output voltage on the input volt age. that is, the values show how much the output voltage changes due to a change in the input volt age with the output curr ent remaining unchanged. 4. load regulation ( v out2 ) indicates the dependency of the out put voltage on the output curr ent. 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. 5. dropout voltage (v drop ) indicates the differenc e between input voltage v in and the output voltage when; decreasing input voltage v in gradually until the output voltage has dropped out to the value of 98% of output voltage v out3 , which is at v in = v out(s) + 1.0 v. v drop = v in1 ? (v out3 0.98)
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 13 6. temperature coefficient of output voltage ? ? ? ? v out ta ? v out the shaded area in figure 12 is the range where v out varies in the operating temperature range when the temperature coefficient of the output voltage is 150 ppm/ c. v out(e) *1 example of s-11l10b10 typ. products ?40 25 +0.15 mv/ c v out [v] *1. v out(e) is the value of the out put voltage measured at 25 c. 85 ta [ c] ?0.15 mv/ c figure 12 a change in the temperature of t he output voltage [mv/c] is calcul ated using the following equation. v out ta [] mv/c *1 = v out(s) [] v *2 v out ta ? v out [] ppm/c *3 1000 *1. change in temperat ure of output voltage *2. specified output voltage *3. output voltage tem perature coefficient
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 14 ? operation 1. basic operation figure 13 shows the block diagram of s-11l10 series. the error amplifier compar es the reference voltage (v ref ) with v fb , which is the output vo ltage resistance-divided by feedback resistors r s and r f . it supplies the gate voltage necessary to main tain the constant out put voltage which is not influenced by the input voltage and temper ature change, to the output transistor. *1 *1 . parasitic diode vss current supply ? + v fb v ref vin vout r f r s error amplifier reference voltage circuit figure 13 2. output transistor in the s-11l10 series, a low on-resistance p-channel mos fet is used as the output transistor. be sure that v out does not exceed v in + 0.3 v to prevent the voltage regul ator from being damaged due to inverse current flowing from the vout pin th rough a parasitic diode to the vin pin.
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 15 3. on / off pin this pin starts and stops the regulator. when the on / off pin is set to the power-off level, the entire internal circuit stops operating, and the built-in p- channel mos fet output transistor betw een the vin and vout pins is turned off, reducing current consumption significantly. since the s-11l10 series has a built-in di scharge shunt circuit to discharge the output capacitance, the vout pin is forcibly set to the v ss level. the on / off pin is configured as shown in figure 14 and 15 . (1) s-11l10 series b type the on / off pin is internally pulled down to vss by cons tant current source, so the vout pin is set to the v ss level when it is in the floati ng state. for the on / off pin current, refer to the b type of power-off pin input current ?h? in ? ? electrical characteristics ?. (2) s-11l10 series d type do not use the on / off pin in the fl oating state because this pin is inter nally not pulled up or pulled down. when not using the on / off pin, connect it to the vin pin. caution under high temperature in the s-11l10 series, this ic?s current consumption may increase if applying voltage of 0.2 v to 0.9 v to the on / off pin. table 8 logic type on / off pin internal circuit s vout pin voltage current consumption b / d ?l?: power-off stop v ss level i ss2 b / d ?h?: power-on operate set value i ss1 (1) s-11l10 series b type (2) s-11l10 series d type vss vin on / off vss vin on / off figure 14 figure 15
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 16 4. discharge shunt function the s-11l10 series has a built-in discharge shunt circuit to discharge the output capacit ance. when the on / off pin is set to power-off level, turns the output transisto r off, and turns the discharge shunt function on so that the output capacitor discharges. the vout pin is set to the v ss level faster, compared to the product which does not have a discharge shunt circuit. output transistor : off on / off pin : power-off vin on / off vss power-off circuit discharge shunt function : on vout *1 *1. parasitic diode current flow gnd *1 s-11l10 series output capacitance (c l ) figure 16
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 17 5. overcurrent protection circuit the s-11l10 series has an overcurrent protection circuit having the characteristics shown in ? (1) output voltage vs. output current (when load current increases) (ta = 25 c) ? in ?? characteristics (typical data) ?, in order to protect the output transistor against an excessive output current and shor t circuiting between the vout and vss pins. the current (i short ) when the output pin is short- circuited is internally set at approx. 150 ma (typ.), and the normal value is restored for the output volt age, if releasing a short circuit once. caution using the overcurrent protection circuit is to protect the output transistor from accidental conditions such as short circuited load and the rapid and large current flow in the large capacitor. the overcurrent protection circuit is not suitable for use under the short circuit status or large current flowing (150 ma or more) that last long. 6. constant current source pull-down (s-11l10 series b type) in the s-11l10 series b type, the on / off pin is inter nally pulled down to vss, so the vout pin is in the v ss level in the floating status. in the s-11l10 series b type, note that the on / off pin is connected to vin and during operati on, ic?s current consumption increases as much as the constant current flows.
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 18 ? precautions ? wiring patterns for the vin, vout and gnd pins shoul d be designed so that the im pedance is low. when mounting an output capacitor betw een the vout and vss pin (c l ) and a capacitor for stabiliz ing the input between vin and vss pin (c in ), the distance from the capacitors to t hese pins should be as short as possible. ? note that the output voltage may increase when a series regulator is used at low load current (100 a or less). ? note that the output voltage may increase due to the leak age current from a driver when a series regulator is used at high temperature. ? under high temperature, this ic?s cu rrent consumption may increas e if applying voltage of 0.2 v to 0.9 v to the on / off pin. ? this ic may oscillate if power supply?s inductance is high. select an input capacit or after performing sufficient evaluation under the actual usage c onditions including evaluation of temperature characteristics. ? generally a series regulator may cause oscillation, depending on the selecti on of external parts. the following conditions are recommended for this ic. however, be sure to perform sufficient eval uation under the actual usage conditions for selection, including evaluation of temperature char acteristics. see ? (5) example of equivalent series resistance vs. output current characteristics (ta = 25 c) ? in ?? reference data? for the equivalent series resistance (r esr ) of the output capacitor. input capacitor (c in ) : 1.0 f or more output capacitor (c l ) : 1.0 f or more ? the voltage regulator may oscillate w hen the impedance of the power supply is high and the i nput capacitor is small or an input capacitor is not connected. ? if the output capacitance is sm all, power supply?s fluctuation and the characteristics of l oad fluctuation become worse. sufficiently evaluate the out put voltage?s fluctuation wi th the actual device. ? a momentary overshoot may be output when the power supply suddenly incr eases, and the output capacitance is small. it is therefore important to sufficiently evaluate the output voltage at power application in actual device. ? the application conditions for the input voltage, output volt age, and load current shoul d not exceed the package power dissipation. ? do not apply an electrostatic discharge to this ic that ex ceeds the performance ratings of the built-in electrostatic protection circuit. ? in determining the output current, attention should be paid to the out put current value specified in table 7 in ? ? electrical characteristics ? and footnote *5 of the table. ? sii claims no responsibility for any dis putes arising out of or in connection with any infringement by products including this ic of patents owned by a third party.
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 19 ? characteristics (typical data) (1) output voltage vs. output current (when load current increases) (ta = 25c) v out = 0.8 v v out = 1.5 v 0 v out [v] 0.8 0.4 0 i out [ma] 1.2 1.0 0.6 0.2 350 50 100 150 200 300 250 v in = 1.3 v 1.8 v 3.65 v 0 v out [v] 1.0 0 i out [ma] 2.0 1.5 0.5 350 50 100 150 200 300 250 v in = 2.0 v 2.5 v 3.65 v v out = 3.3 v 0 v out [v] 2.0 0 i out [ma] 4.0 3.0 1.0 350 50 100 150 200 300 250 v in = 3.65 v remark in determining the output current, attention should be paid to the following. 1. the minimum output current value and footnote *5 in table 7 in the ? ? electrical characteristics ? 2. the package power dissipation (2) output voltage vs. input voltage (ta = 25c) v out = 0.8 v v out = 1.5 v 0 v out [v] 0.6 0.7 0.3 v in [v] 1.0 0.8 0.9 0.5 0.4 3.5 0.5 1.0 1.5 2.0 3.0 2.5 i out = 1 ma 30 ma 100 ma 1.0 v out [v] 1.3 1.0 v in [v] 1.6 1.4 1.5 1.2 1.1 3.5 1.5 2.0 3.0 2.5 i out = 1 ma 30 ma 100 ma v out = 3.3 v 2.8 v out [v] 3.1 2.8 v in [v] 3.4 3.2 3.3 3.0 2.9 3.6 3.0 3.4 3.2 i out = 1 ma 30 ma 100 ma
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 20 (3) dropout voltage vs. output current v out = 0.8 v v out = 1.5 v 0 v drop [v] 0.2 0 i out [ma] 0.5 0.3 0.4 0.1 150 50 75 25 125 100 ta = 85c 25c ?40c 0 v drop [v] 0.10 0 i out [ma] 0.30 0.15 0.20 0.25 0.05 150 50 75 25 125 100 ta = 85c 25c ?40c v out = 3.3 v 0 v drop [v] 0 i out [ma] 0.20 0.05 0.10 0.15 150 50 75 25 125 100 ta = 85c 25c ?40c (4) dropout voltage vs. set output voltage 0 v drop [v] 0 v out [v] 0.40 0.10 0.05 0.15 0.20 0.25 0.30 0.35 3.5 1.5 2.0 1.00.5 3.0 2.5 i out = 150 ma 100 ma 50 ma 30 ma 10 ma
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 21 (5) output voltage vs. ambient temperature v out = 0.8 v v out = 1.5 v ? 40 v out [v] 0.76 ta [c] 0.84 0.78 0.80 0.82 85 ? 25 250 75 50 ? 40 v out [v] 1.40 ta [c] 1.60 1.45 1.50 1.55 85 ? 25 250 75 50 v out = 3.3 v ? 40 v out [v] 3.0 ta [c] 3.5 3.4 3.1 3.2 3.3 85 ? 25 250 75 50 (6) current consumption vs. input voltage v out = 0.8 v v out = 1.5 v 0 i ss1 [a] 0 v in [v] 12 4 2 8 6 10 4.0 1.0 1.5 0.5 3.0 3.5 2.5 2.0 ta = 85c 25c ?40c 0 i ss1 [a] 0 v in [v] 12 4 2 8 6 10 4.0 1.0 1.5 0.5 3.0 3.5 2.5 2.0 ta = 85c 25c ?40c v out = 3.3 v 0 i ss1 [a] 0 v in [v] 12 4 2 8 6 10 4.0 1.0 1.5 0.5 3.0 3.5 2.5 2.0 ta = 85c 25c ?40c
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 22 (7) ripple rejection (ta = 25c) v out = 0.8 v v in = 1.8 v, c l = 1.0 f v out = 1.5 v v in = 2.5 v, c l = 1.0 f 10 ripple rejection [db] 0 frequency [hz] 100 40 20 80 60 1m 1k100 100k 10k i out = 1 ma 30 ma 100 ma 10 ripple rejection [db] 0 frequency [hz] 100 40 20 80 60 1m 1k100 100k 10k i out = 1 ma 30 ma 100 ma v out = 2.5 v v in = 3.5 v, c l = 1.0 f 10 ripple rejection [db] 0 frequency [hz] 100 40 20 80 60 1m 1k100 100k 10k i out = 1 ma 30 ma 100 ma
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 23 ? reference data (1) transient response characteristics when input (ta = 25c) v out = 0.8 v i out = 30 ma, tr = tf = 5.0 s, c l = 1.0 f, c in = 1.0 f v out = 1.5 v i out = 30 ma, tr = tf = 5.0 s, c l = 1.0 f, c in = 1.0 f ?100 ?50 0 t [ s] 3.0 4.0 1.0 2.0 3.0 ?1.0 ?2.0 0 1.0 0.5 2.5 300 100 250 150 200 050 v out [v] v in [v] 2.0 1.5 v in v out ?100 ?50 0.5 t [ s] 3.5 5.0 2.0 3.0 4.0 0 ?1.0 1.0 1.5 1.0 3.0 300 100 250 150 200 050 v out [v] v in [v] 2.5 2.0 v in v out v out = 2.0 v i out = 30 ma, tr = tf = 5.0 s, c l = 1.0 f, c in = 1.0 f ?100 ?50 1.0 t [ s] 4.0 4.0 2.5 3.0 3.5 1.5 1.0 2.0 2.0 1.5 3.5 300 100 250 150 200 050 v out [v] v in [v] 3.0 2.5 v in v out (2) transient response characteristics of load (ta = 25c) v out = 0.8 v v in = 1.8 v, c l = 1.0 f, c in = 1.0 f, i out = 50 ? 100 ma v out = 1.5 v v in = 2.5 v, c l = 1.0 f, c in = 1.0 f, i out = 50 ? 100 ma ?100 ?50 0.65 t [ s] 1.00 150 0 50 100 ?100 ?150 ?200 ?50 0.80 0.75 0.70 0.95 300 100 250 150 200 050 v out [v] i out [ma] 0.90 0.85 i out v out ?100 ?50 1.35 t [ s] 1.70 150 0 50 100 ?100 ?150 ?200 ?50 1.50 1.45 1.40 1.65 300 100 250 150 200 050 v out [v] i out [ma] 1.60 1.55 i out v out v out = 3.3 v v in = 3.65 v, c l = 1.0 f, c in = 1.0 f, i out = 50 ? 100 ma ?100 ?50 3.15 t [ s] 3.45 150 0 50 100 ?100 ?150 ?200 ?50 3.25 3.20 3.40 300 100 250 150 200 050 v out [v] i out [ma] 3.35 3.30 i out v out
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 24 (3) transient response characteristics of on / off pin (ta = 25c) v out = 0.8 v v in = 1.8 v, c l = 1.0 f, c in = 1.0 f, i out = 100 ma v out = 1.5 v v in = 2.5 v, c l = 1.0 f, c in = 1.0 f, i out = 100 ma ?50 ?0.5 t [ s] 2.5 3 0 1 2 ?2 ?3 ?1 0.5 0 2.0 200 50 150 100 0 v out [v] v on / off [v] 1.5 1.0 v on /off v out ?50 ?1.0 t [ s] 5.0 6 0 2 4 ?4 ?6 ?2 1.0 0 4.0 200 50 150 100 0 v out [v] v on / off [v] 3.0 2.0 v on /off v out v out = 3.3 v v in = 3.65 v, c l = 1.0 f, c in = 1.0 f, i out = 100 ma ?50 ?2.0 t [ s] 10.0 9 0 3 6 ?6 ?9 ?3 2.0 0 8.0 200 50 150 100 0 v out [v] v on / off [v] 6.0 4.0 v on /off v out (4) output capacitance vs. characteristics of discharge time (ta = 25c) v in = v out + 1.0 v (max.: 3.65 v), i out = no load v on / off = v out + 1.0 v v ss , tf = 1 s 0 t dsc [ms] 0 c l [f] 3.0 1.0 0.5 2.0 1.5 2.5 12 2 810 6 4 v out(s) = 3.3 v 1.5 v 0.8 v v out v on / off 1 s t dsc v out 10% v ss v in = v out + 1.0 v v on / off = v out + 1.0 v v ss figure 14 measurement condition of discharge time
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 25 (5) example of equivalent series resistance vs. output current characteristics (ta = 25 c) c l : tdk corporation c3216x8r1e105k (1.0 f) 100 0.1 150 i out [ma] r esr [ ] c in = c l = 1.0 f 0 stable c in vin vss c l r esr s-11l10 series vout on / off
super-low output voltage low dropout cmos voltage regulator s-11l10 series rev.2.0 _00 seiko instruments inc. 26 ? 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 to p vie w product name vs. product code (a) s-11l10 series b type (b) s-11l10 series d type product code product code product name (1) (2) (3) product name (1) (2) (3) s-11l10b08-m5t1u t v a s-11l10d08-m5t1u t x a s-11l10b09-m5t1u t v b s-11l10d09-m5t1u t x b s-11l10b10-m5t1u t v c S-11L10D10-M5T1U t x c s-11l10b11-m5t1u t v d s-11l10d11-m5t1u t x d s-11l10b12-m5t1u t v e s-11l10d12-m5t1u t x e s-11l10b13-m5t1u t v f s-11l10d13-m5t1u t x f s-11l10b14-m5t1u t v g s-11l10d14-m5t1u t x g s-11l10b15-m5t1u t v h s-11l10d15-m5t1u t x h s-11l10b16-m5t1u t v i s-11l10d16-m5t1u t x i s-11l10b17-m5t1u t v j s-11l10d17-m5t1u t x j s-11l10b18-m5t1u t v k s-11l10d18-m5t1u t x k s-11l10b19-m5t1u t v l s-11l10d19-m5t1u t x l s-11l10b20-m5t1u t v m s-11l10d20-m5t1u t x m s-11l10b21-m5t1u t v n s-11l10d21-m5t1u t x n s-11l10b22-m5t1u t v o s-11l10d22-m5t1u t x o s-11l10b23-m5t1u t v p s-11l10d23-m5t1u t x p s-11l10b24-m5t1u t v q s-11l10d24-m5t1u t x q s-11l10b25-m5t1u t v r s-11l10d25-m5t1u t x r s-11l10b26-m5t1u t v s s-11l10d26-m5t1u t x s s-11l10b27-m5t1u t v t s-11l10d27-m5t1u t x t s-11l10b28-m5t1u t v u s-11l10d28-m5t1u t x u s-11l10b29-m5t1u t v v s-11l10d29-m5t1u t x v s-11l10b30-m5t1u t v w s-11l10d30-m5t1u t x w s-11l10b31-m5t1u t v x s-11l10d31-m5t1u t x x s-11l10b32-m5t1u t v y s-11l10d32-m5t1u t x y s-11l10b33-m5t1u t v z s-11l10d33-m5t1u t x z remark 1. please contact our sales office for products with specifications other than the above. 2. please select products of environmental code = u for sn 100%, halogen-free products.
super-low output voltage low dropout cmos voltage regulator rev.2.0 _00 s-11l10 series seiko instruments inc. 27 (2) snt-6a(h) (1) to (3) : product code (refer to product name vs. product code ) (4) tp (6) : lot number snt-6a(h) top view 1 2 3 4 6 5 (1) (4) (2) (5) (3) (6) product name vs. product code (a) s-11l10 series b type (b) s-11l10 series d type product code product code product name (1) (2) (3) product name (1) (2) (3) s-11l10b08-i6t2x t v a s-11l10d08-i6t2x t x a s-11l10b09-i6t2x t v b s-11l10d09-i6t2x t x b s-11l10b10-i6t2x t v c s-11l10d10-i6t2x t x c s-11l10b11-i6t2x t v d s-11l10d11-i6t2x t x d s-11l10b12-i6t2x t v e s-11l10d12-i6t2x t x e s-11l10b13-i6t2x t v f s-11l10d13-i6t2x t x f s-11l10b14-i6t2x t v g s-11l10d14-i6t2x t x g s-11l10b15-i6t2x t v h s-11l10d15-i6t2x t x h s-11l10b16-i6t2x t v i s-11l10d16-i6t2x t x i s-11l10b17-i6t2x t v j s-11l10d17-i6t2x t x j s-11l10b18-i6t2x t v k s-11l10d18-i6t2x t x k s-11l10b19-i6t2x t v l s-11l10d19-i6t2x t x l s-11l10b20-i6t2x t v m s-11l10d20-i6t2x t x m s-11l10b21-i6t2x t v n s-11l10d21-i6t2x t x n s-11l10b22-i6t2x t v o s-11l10d22-i6t2x t x o s-11l10b23-i6t2x t v p s-11l10d23-i6t2x t x p s-11l10b24-i6t2x t v q s-11l10d24-i6t2x t x q s-11l10b25-i6t2x t v r s-11l10d25-i6t2x t x r s-11l10b26-i6t2x t v s s-11l10d26-i6t2x t x s s-11l10b27-i6t2x t v t s-11l10d27-i6t2x t x t s-11l10b28-i6t2x t v u s-11l10d28-i6t2x t x u s-11l10b29-i6t2x t v v s-11l10d29-i6t2x t x v s-11l10b30-i6t2x t v w s-11l10d30-i6t2x t x w s-11l10b31-i6t2x t v x s-11l10d31-i6t2x t x x s-11l10b32-i6t2x t v y s-11l10d32-i6t2x t x y s-11l10b33-i6t2x t v z s-11l10d33-i6t2x t x z remark 1. please contact our sales office for products with specifications other than the above. 2. x: g or u 3. please select products of environmental code = u for sn 100%, halogen-free products.

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www.sii-ic.com ? the information described herein is subject to change without notice. ? seiko instruments inc. is not responsible for any pr oblems caused by circuits or diagrams described herein whose related industrial properties, patents, or ot her rights belong to third parties. the application circuit examples explain typical applications of the products, and do not guarant ee the success of any specific mass-production design. ? when the products described herein are regulated produ cts subject to the wassenaar arrangement or other agreements, they may not be exported without authoriz ation from the appropriate governmental authority. ? use of the information described he rein for other purposes and/or repr oduction or copying without the express permission of seiko instrum ents inc. is strictly prohibited. ? the products described herein cannot be used as par t 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 oc cur. 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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