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| s-5842a series www.sii-ic.com dual trip temperature switch ic ? seiko instruments inc., 2008-2010 rev.2.0 _00 seiko instruments inc. 1 the s-5842a series is a dual trip temperature swit ch ic which detects two points of temperature. the s-5842a series operates with a low supply voltage dow n to 2.5 v, and it has lo w current consumption of 10 a typical. the s-5842a series consists of a negativ e coefficient temperature sensor, a reference voltage generation circuit, and a comparator integrated in a single ic. the package options are the snt-6a and sot-23-6. ? features ? range of detection temperature : ? 10c to + 110c, 1c step ? accuracy of detection temperature : 2.5c (is set only for either detection temperature) ? operation with low voltage : v dd (min.) = 2.5 v (detection temperature = + 20c to + 110c) v dd (min.) = 2.7 v (detection temperature = 0c to + 110c) v dd (min.) = 2.8 v (detection temperature = ? 10c to + 110c) ? low current consumption : 10 a typ. (ta = + 25c) ? the range of operation temperature : ? 40c to + 125c ? selectable output type, logic and form ? lead-free, sn 100%, halogen-free *1 *1. refer to ? ? product name structure ? for details. ? applications ? fan control ? air-conditioning system ? mobile phones ? game consoles ? various electronics devices ? packages ? snt-6a ? sot-23-6
dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 2 ? block diagram 1. s-5842a with cmos output (output : separate type) + - + - vdd deth detl rtl rth vss reference voltage generation circuit temperature sensor delay circuit logic circuit (selectable) delay circuit logic circuit (selectable) figure 1 2. s-5842a with nch open drain output (output : separate type) + - + - vdd deth detl rtl rth vss reference voltage generation circuit temperature sensor delay circuit logic circuit (selectable) delay circuit logic circuit (selectable) figure 2 dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 3 3. s-5842a with cmos output (output : integrate type) + - + - vdd deth detl rtl rth vss reference voltage generation circuit temperature sensor delay circuit logic circuit (selectable) delay circuit logic circuit (selectable) figure 3 4. s-5842a with nch open drain output (output : integrate type) + - + - vdd deth detl rtl rth vss reference voltage generation circuit temperature sensor delay circuit logic circuit (selectable) delay circuit logic circuit (selectable) figure 4 dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 4 ? product name structure users are able to select the output form and type, option for detection temperature?s spec and package for the s-5842a series. 1. product name (1) snt-6a s ? 5842a x xxx ? xxxx x option *2 output form and output type *3 a: cmos output separate type b: nch open drain output separate type c: cmos output integrate type d: nch open drain output integrate type product name (abbreviation) and packing specifications *1 i6t1: snt-6a, tape environmental code u: lead-free (sn 100%), halogen-free g: lead-free (for details, please contact our sales office) (2) sot-23-6 s ? 5842a x xxx ? xxxx x option *2 output form and output type *3 a: cmos output separate type b: nch open drain output separate type c: cmos output integrate type d: nch open drain output integrate type product name (abbreviation) and packing specifications *1 m6t1: sot-23-6, tape environmental code u: lead-free (sn 100%), halogen-free s: lead-free , halogen-free *1. refer to tape specifications. *2. refer to ? ? selection of product option ?. settings are available in alphabetical order as aaa to zzz. *3. refer to ? ? selection of product option ?. 2. package drawing code package name package tape reel land snt-6a pg006-a-p-sd pg006-a-c- sd pg006-a-r-sd pg006-a-l-sd sot-23-6 mp006-a-p-sd mp006-a-c-sd mp006-a-r-sd ? dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 5 3. product name list (1) snt-6a table 1 option for detection temperature?s spec deth pin (for higher temperature) detl pin (for lower temperature) product name output form and type detection temperature (t dh ) accuracy of detection temperature *1 hysteresis temperature (t hysh ) output logic detection temperature (t dl ) accuracy of detection temperature *1 hysteresis temperature (t hysl ) output logic s-5842abaaa-i6t1x nch open drain, separate + 62 c ? + 2 c ?h? ? 3 c 2.5 c ? 2 c ?l? s-5842abaac-i6t1x nch open drain, separate + 60 c ? ? 2 c ?h? 0 c 2.5 c + 2 c ?l? *1 either of two detection temperatures (t dh , t dl ), an accuracy of 2.5 c is set only for the one that user specifies a higher accuracy than the other (t dh , t dl ). remark 1. please contact our sales office for products other than those specified above. refer to ? ? selection of product option ? for details. 2. x: g or u 3. please select products of environmental code = u for sn 100%, halogen-free products. (2) sot-23-6 table 2 option for detection temperature?s spec deth pin (for higher temperature) detl pin (for lower temperature) product name output form and type detection temperature (t dh ) accuracy of detection temperature *1 hysteresis temperature (t hysh ) output logic detection temperature (t dl ) accuracy of detection temperature *1 hysteresis temperature (t hysl ) output logic s-5842aaaaf-m6t1y cmos, separate + 95 c ? ? 5 c ?l? + 55 c 2.5 c ? 5 c ?l? *1 either of two detection temperatures (t dh , t dl ), an accuracy of 2.5 c is set only for the one that user specifies a higher accuracy than the other (t dh , t dl ). remark 1. please contact our sales office for products other than those specified above. refer to ? ? selection of product option ? for details. 2. y: s or u 3. please select products of environmental code = u for sn 100%, halogen-free products. dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 6 ? pin configuration table 3 pin no. symbol description 1 deth output pin for higher temperature detection 2 vss gnd 3 rth *1 test 4 rtl *2 test 5 detl output pin for lower temperature detection 6 vdd power supply snt-6a top view 1 2 3 4 6 5 figure 5 *1. set the rth pin open in use. *2. set the rtl pin open in use. remark see dimensions for details of the package drawings. table 4 pin no. symbol description 1 vdd power supply 2 detl output pin for lower temperature detection 3 rtl *1 test 4 rth *2 test 5 vss gnd 6 deth output pin for higher temperature detection 6 4 1 3 2 sot-23-6 top view 5 figure 6 *1. set the rtl pin open in use. *2. set the rth pin open in use. remark see dimensions for details of the package drawings. dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 7 ? absolute maximum ratings table 5 (ta = + 25 c unless otherwise specified) item symbol absolute maximum ratings unit power supply voltage (v ss = 0 v) v dd v ss + 6.5 v pin voltage v rth , v rtl v ss ? 0.3 to v dd + 0.3 v cmos output v ss ? 0.3 to v dd + 0.3 v output voltage nch open drain output v deth , v detl v ss ? 0.3 to v ss + 6.5 v i ohh , i ohl 13 ma output pin current i olh , i oll 13 ma snt-6a 400 *1 mw power dissipation sot-23-6 p d 650 *1 mw operation ambient temperature t opr ? 40 to +125 c storage temperature t stg ? 65 to +150 c *1. when mounted on board [mounted board] (1) board size : 114.3 mm 76.2 mm t1.6 mm (2) board name : jedec standard51-7 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. dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 8 ? dc electrical characteristics 1. s-5842a with cmos output table 6 (ta = + 25 c, unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection temperature = + 20c to + 110c 2.5 ? 5.5 v 1 detection temperature = 0c to + 110c 2.7 ? 5.5 v 1 power supply voltage v dd detection temperature = ? 10c to + 110c 2.8 ? 5.5 v 1 detection temperature *1 t dh or t dl ? t det ? 2.5 t det t det + 2.5 c 1 difference of detection temperature *2 t d v dd = 3.5 v ? t det ? c 1 hysteresis temperature of deth pin *3 t hysh v dd = 3.5 v ? t hyh ? c 1 hysteresis temperature of detl pin *3 t hysl v dd = 3.5 v ? t hyl ? c 1 output current ?h? of deth pin i ohh v dd = 3.5 v, v deth = 3.0 v 0.5 3.2 ? ma 2 output current ?h? of detl pin i ohl v dd = 3.5 v, v detl = 3.0 v 0.5 3.2 ? ma 2 output current ?l? of deth pin i olh v dd = 3.5 v, v deth = 0.5 v 0.5 3.0 ? ma 2 output current ?l? of detl pin i oll v dd = 3.5 v, v detl = 0.5 v 0.5 3.0 ? ma 2 current consumption during operation i dd v dd = 3.5 v ? 10 16 a 1 *1. t det : set value for detection temperature, t dh : actual detection temperat ure for higher temperature, t dl : actual detection temperature for lower temperature either of two detection temperatures (t dh , t dl ), an accuracy of 2.5 c is set only for the one that user specifies a higher accuracy than the other (t dh , t dl ). *2. t det : set value for detection temperature for higher temperature ? set value for detection temperature for lower temperature t d : actual difference of detection temperature set two points of detection temperature so that the difference of detection temperature ( t d ) is in 0c to 65c. users are able to set t d in 0c, 5c, 10c 60c, 65c. *3. t hyh , t hyl : set value for hysteresis temperature, t hysh , t hysl : actual hysteresis temperature users are able to select the hysteresis temperature (t hysh , t hysl ) in ? 5c, ? 2c, + 2c, or + 5c. [fahrenheit ? celsius conversion equation] c = ( f ? 32) 5 / 9 f = 32 + c 9 / 5 dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 9 2. s-5842a with nch open drain output table 7 (ta = + 25 c, unless otherwise specified) item symbol condition min. typ. max. unit test circuit detection temperature = + 20c to + 110c 2.5 ? 5.5 v 1 detection temperature = 0c to + 110c 2.7 ? 5.5 v 1 power supply voltage v dd detection temperature = ? 10c to + 110c 2.8 ? 5.5 v 1 detection temperature *1 t dh or t dl ? t det ? 2.5 t det t det + 2.5 c 1 difference of detection temperature *2 t d v dd = 3.5 v ? t det ? c 1 hysteresis temperature of deth pin *3 t hysh v dd = 3.5 v ? t hyh ? c 1 hysteresis temperature of detl pin *3 t hysl v dd = 3.5 v ? t hyl ? c 1 leakage current of deth pin i leakh v dd = 3.5 v, v deth = 5.5 v ? ? 100 na 2 leakage current of detl pin i leakl v dd = 3.5 v, v detl = 5.5 v ? ? 100 na 2 output current ?l? of deth pin i olh v dd = 3.5 v, v deth = 0.5 v 0.5 3.0 ? ma 2 output current ?l? of detl pin i oll v dd = 3.5 v, v detl = 0.5 v 0.5 3.0 ? ma 2 current consumption during operation i dd v dd = 3.5 v ? 10 16 a 1 *1. t det : set value for detection temperature, t dh : actual detection temperat ure for higher temperature, t dl : actual detection temperature for lower temperature either of two detection temperatures (t dh , t dl ), an accuracy of 2.5 c is set only for the one that us er specifies a higher accuracy than the other (t dh , t dl ). *2. t det : set value for detection temperature for higher temperature ? set value for detection temperature for lower temperature t d : actual difference of detection temperature set two points of detection temperature so that the difference of detection temperature ( t d ) is in 0c to 65c. users are able to set t d in 0c, 5c, 10c 60c, 65c. *3. t hyh , t hyl : set value for hysteresis temperature, t hysh , t hysl : actual hysteresis temperature users are able to select the hysteresis temperature (t hysh , t hysl ) in ? 5c, ? 2c, + 2c, or + 5c. [fahrenheit ? celsius conversion equation] c = ( f ? 32) 5 / 9 f = 32 + c 9 / 5 ? ac electrical characteristics table 8 item symbol condition min. typ. max. unit test circuit noise suppression time t delay v dd = 3.5 v, ta = detection temperature D 550 D s D dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 10 ? test circuit 1. vss vdd detl rth s-5842a series open r *1 100 k deth r *1 100 k c in c l c l v a v v open rtl *1. resistor (r) is unnecessary for the cmos output product. figure 7 2. vss vdd detl rth s-5842a series open deth c in c l c l v a v v a a open rtl figure 8 dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 11 ? selection of product option 1. selection of product option the s-5842a series is a temperature switch ic which detec ts two points of temperature, and outputs a signal to the exterior. users are able to select the comb ination of output type, form and logi c, two detection temperatures (t dh , t dl ), and hysteresis temperature (t hysh , t hysl ). output form : set the output logic for each deth, detl pin. ? cmos output ? nch open drain output output type : for deth, detl pins, users are able to select two types of output as follows. ? separate type : the deth pin?s output in verts during detection of higher temperature the detl pin?s output inverts durin g detection of lower temperature ? integrate type : the deth pin?s output in verts during detection of higher temperature the detl pin?s output inverts during det ection of higher and lower temperature detection temperature (t dh , t dl ) : t dh is the detection temperature for higher temperature, t dl is the detection temperature for lower temperature. of two points of detection temperatures (t dh , t dl ), select the detection temperature that is to be set the higher accuracy ( 2.5c accuracy). *1 the detection temperature for higher temperature is selectable in + 20c to + 110c, in 1c step. the detection temperature for lower temperature is selectable in ? 10c to + 110c, in 1c step. set two points of detection temperature so that the difference of detection temperature ( t d ) is in 0c to 65c. users are able to set t d in 0c, 5c, 10c 60c, 65c. the minimum operation voltage varies according to the detection temperature for lower temperature. ? detection temperature = + 20c to + 110c : v dd (min.) = 2.5 v ? detection temperature = 0c to + 110c : v dd (min.) = 2.7 v ? detection temperature = ? 10c to + 110c : v dd (min.) = 2.8 v *1 either of two detection temperatures (t dh , t dl ), an accuracy of 2.5 c is set only for the one that user specifies a higher accuracy than the other (t dh , t dl ). hysteresis temperature (t hysh , t hysl ) : t hysh is the hysteresis temperature for detection temperature for higher temperature, t hysl is the hysteresis temperature for detection temperatur e for lower temperature. these are selectable in ? 5c, ? 2c, + 2c, or + 5c. ? ? 5c : output recovers when temperature has dr opped to 5c from the detection temperature. ? ? 2c : output recovers when temperature has dr opped to 2c from the detection temperature. ? + 2c : output recovers when temperature has risen to 2c from the detection temperature. ? + 5c : output recovers when temperature has risen to 5c from the detection temperature. output logic : set the output logic for each deth, detl pin in ta > detection temperature (t dh , t dl ) or release temperature (t dh + t hysh , t dl + t hysl ). (1) hysteresis temperature : ? 5c, ? 2c ? ?h? : the output logic is in ?h? in ta > detection temperature ? ?l? : the output logic is in ?l? in ta > detection temperature (2) hysteresis temperature : + 2c, + 5c ? ?h? : the output logic is in ?h? in ta > release temperature ? ?l? : the output logic is in ?l? in ta > release temperature dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 12 2. example of product spec example of product spec operation output form : cmos output output type : separate type [deth pin] detection voltage : t dh hysteresis temperature : t hysh ( < 0) output logic : ?h? [detl pin] detection voltage : t dl hysteresis temperature : t hysl ( < 0) output logic : ?h? output from deth pin temp t dh t hysh output from detl pin temp t dl t hysl l h l h figure 9 operation, cmos and separate type output form : cmos output output type : integrate type [deth pin] detection temperature : t dh hysteresis temperature : t hysh ( < 0) output logic : ?h? [detl pin] detection temperature : t dl hysteresis temperature : t hysl ( < 0) output logic : ?h? output from deth pin temp t dh t hysh output from detl pin temp t dl t hysl t dh t hysh l h l h figure 10 operation, cmos and integrate type dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 13 ? operation 1. separate type the followings are the operation with its specs when the s-5842a series is separate type. the timing chart is shown in figure 11 . ? output form and type : cmos output, separate type ? option : deth pin detection temperature t dh = + 95c hysteresis temperature t hysh = ? 5c output logic ?h? detl pin detection temperature t dl = + 55c hysteresis temperature t hysl = ? 5c output logic ?h? h (1) (2) (3) (5) (4) l h l detection temperature (t dh = + 95 c) difference of detection temperature (t dh ? t dl = + 40 c) detection temperature (t dl = + 55 c) ambient temperature (ta) output from deth pin (output logic ?h?) output from detl pin (output logic ?h?) hysteresis temperature (t hysh = ? 5 c) hysteresis temperature (t hysl = ? 5 c) figure 11 timing chart, cmos and separate type detecting the temperature is started after power-on. in case; (1) ambient temperature (ta) < detection temperature (t dl = + 55c) the outputs from the deth, detl pins keep ?l?. (2) the ambient temperature (ta) rises; detection temperature (t dl = + 55c) < ambient temperature (ta) < detection temperature (t dh = + 95c) the output from the deth pin keeps ?l?, the output from the detl pin gets ?h?. (3) furthermore, the ambient temperature (ta) rises; ambient temperature (ta) > detection temperature (t dh = + 95c) the output from the detl pin keeps ?h?, the output from the deth pin gets ?h?. (4) after that, the ambient temperature (ta) falls; release temperature (t dh + t hysh = + 90c) > ambient temperature (ta) > release temperature (t dl + t hysl = + 50c) the output from the deth pin gets ?l?, the output from detl pin keeps ?h?. (5) furthermore the ambient temperature (ta) falls; ambient temperature (ta) < release temperature (t dl + t hysl = + 50c) the output from the deth pin keeps ?l?, the output from the detl pin gets ?l?. dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 14 2. integrate type the followings are the operation with its specs when the s-5842a seri es is integrate type. the timing chart is shown in figure 12 . ? output form and type : cmos output, integrate type ? option : deth pin detection temperature t dh = + 95c hysteresis temperature t hysh = ? 5c output logic ?h? detl pin detection temperature t dl = + 55c hysteresis temperature t hysl = ? 5c output logic ?h? hysteresis temperature (t hysh = ? 5 c) h (1) (2) (3) (5) (4) l h l hysteresis temperature (t hysl = ? 5 c) ambient temperature (ta) output from deth pin (output logic ?h?) output from detl pin (output logic ?h?) detection temperature (t dh = + 95 c) difference of detection temperature (t dh ? t dl = + 40 c) detection temperature (t dl = + 55 c) figure 12 timing chart, cmos and integrate type detecting the temperature is started after power-on. in case; (1) ambient temperature (ta) < detection temperature (t dl = + 55c) the outputs from the deth, detl pins keep ?l?. (2) the ambient temperature (ta) rises; detection temperature (t dl = + 55c) < ambient temperature (ta) < detection temperature (t dh = + 95c) the output from the deth pin keeps ?l?, the output from the detl pin gets ?h?. (3) furthermore, the ambient temperature (ta) rises; ambient temperature (ta) > detection temperature (t dh = + 95c) the output from the deth pin gets ?h?, the output from the detl pin gets ?l?. (4) after that, the ambient temperature (ta) falls; release temperature (t dh + t hysh = + 90c) > ambient temperature (ta) > release temperature (t dl + t hysl = + 50c) the output from the deth pin gets ?l?, the output from detl pin gets ?h?. (5) furthermore the ambient temperature (ta) falls; ambient temperature (ta) < release temperature (t dl + t hysl = + 50c) the output from the deth pin keeps ?l?, the output from the detl pin gets ?l?. dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 15 3. noise suppression time the s-5842a series has a delay circuit to suppress noise. the followings are the operation of output from deth when the output logic is ?h?. ? the temperature is the det ection temperature or less the output from a comparator is ?h?, and the output from deth pin is ?l?. due to noise or others, the output from a comparator is inverted to ?l? once; however, the output from the deth pin keeps ?l? if this status is noise suppression time or shorter. ? the temperature exceeds the detection temperature the output from a comparator gets ?l?. and the output from the deth pin gets ?h? after the period has passed noise suppression time (t delay ) or longer. noise suppression time is available for the detl pin as well. ? application circuit vss vdd detl rth rtl s-5842a series open r *1 100 k deth r *1 100 k c in c l c l open *1. resistor (r) is unnecessary for cmos output product. figure 13 application circuit caution the above connection diagram will not guarantee successful operation. perform thorough evaluation using actual application to set the constant. dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 16 ? precautions ? either of two detection temperatures (t dh , t dl ), an accuracy of 2.5 c is set only for the one that user specifies a higher accuracy than the other (t dh , t dl ). ? set a capacitor (c in ) of approx. 0.1 f between vdd and vss for stabilization. ? to prevent error due to noise during power-on, set a capacitor (c l ) of approx. 0.1 f for the deth and detl pin. ? the s-5842a series may oscillate by connecting a capacitor to the rth/rtl pin. set the rth and rtl pin open in use. ? the deth and detl pins output a signal that of (ta > detection temperature) by short-circuit the rth/rtl pin to vss. ? do not apply an electrostatic discharge to this ic that exceeds the performance ratings of the built-in electrostatic protection circuit. ? sii claims no responsibility for any disputes arising ou t of or in connection with any infringement by products, including this ic, of patents owned by a third party. dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 17 ? characteristics (typical data) 1. current consumption during operation (i dd ) vs. power supply voltage (v dd ) characteristics 1.0 2.0 i dd [a] 12 11 10 9 8 6 7 0.0 3.0 4.0 5.0 6.0 v dd [v] ?40c +25c +125c +85c 2. output current ?h? of deth/detl pin (i ohh /i ohl ) vs. power supply voltage (v dd ) characteristics (cmos output product only) 1.0 2.0 i ohh , i ohl [ma] 7 0 0.0 3.0 4.0 5.0 6.0 1 3 5 6 2 4 v dd [v] ?40c +125c +25c +85c 3. output current ?l? of deth/detl pin (i olh /i oll ) vs. power supply voltage (v dd ) characteristics 1.0 2.0 i olh , i oll [ma] 10 8 6 4 0 2 0.0 3.0 4.0 5.0 6.0 v dd [v] ?40c +125c +25c +85c 4. noise suppression time (t delay ) vs. power supply voltage (v dd ) characteristics 1.0 2.0 t delay [s] 1000 0 0.0 3.0 4.0 5.0 6.0 250 750 500 v dd [v] dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 18 5. response against heat output voltage (v deth ) vs. time (t) (1) when snt-6a is put into the air of + 100 degrees from the air of + 25 degrees at t = 0 [s] v dd = 3.5 v, c l = 0 f, detection temperature = + 62 c, output logic ?h? ?10 2 1 0 ?1 4 3 01020 30 v deth [v] t [s] (2) when snt-6a is put into the liquid of + 100 degrees from the air of + 25 degrees at t = 0 [s] v dd = 3.5 v, c l = 0 f, detection temperature = + 62 c, output logic ?h? ?10 2 1 0 ?1 4 3 01020 30 v deth [v] t [s] dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 19 6. response against startup (1) power-on at ta = + 25 c t dh = + 110 c, t dl = + 45 c, output logic ?h?, c l = 0 f v dd (= 3.5 v) detl deth 2 v / div. gnd 2 v / div. gnd 2 v / div. gnd t (200 s / div.) (2) power-on at ta = + 80 c t dh = + 110 c, t dl = + 45 c, output logic ?h?, c l = 0 f v dd (= 3.5 v) detl deth 2 v / div. gnd 2 v / div. gnd 2 v / div. gnd t (200 s / div.) (3) power-on at ta = + 120 c t dh = + 110 c, t dl = + 45 c, output logic ?h?, c l = 0 f v dd (= 3.5 v) detl deth 2 v / div. gnd 2 v / div. gnd 2 v / div. gnd t (200 s / div.) dual trip temperature switch ic s-5842a series rev.2.0 _00 seiko instruments inc. 20 7. accuracy of detection temperature high accuracy detection voltage : t dh , t dh = + 110 c, t dl = + 45 c measured data on one wafer picked up (1) accuracy of detection temperature at t dh = + 110 c (higher accuracy) 70 0 ?2.5 2.5 ?2.0 ? 1.0 0.0 1.0 2.0 10 30 40 20 50 60 ratio [%] deviation in detection temperature [ c] (2) accuracy of detection temperature at t dl = + 45 c 70 0 ?2.5 2.5 ?2.0 ? 1.0 0.0 1.0 2.0 10 30 40 20 50 60 ratio [%] deviation in detection temperature [ c] dual trip temperature switch ic rev.2.0 _00 s-5842a series seiko instruments inc. 21 ? marking specification 1. snt-6a (1) to (3) : product code (refer to product name vs. product code ) (4) to (6) : lot number snt-6a top view 1 2 3 4 6 5 (1) (4) (2) (5) (3) (6) product name vs. product code product code product name (1) (2) (3) s-5842abaaa-i6t1x u h a s-5842abaac-i6t1x u h c remark 1. please contact our sales office for the products other than thos e specified above. 2. x: g or u 3. please select products of environmental code = u for sn 100%, halogen-free products. 2. sot-23-6 (1) to (3) : product code (refer to product name vs. product code ) (4) : lot number 6 4 1 3 2 (1) (2) (3) (4) sot-23-6 to p view 5 product name vs. product code product code product name (1) (2) (3) s-5842aaaaf-m6t1y u i f remark 1. please contact our sales office for the products other than thos e specified above. 2. y: s or u 3. please select products of environmental code = u for sn 100%, halogen-free products. !" " # $ % & $ & ! ' (( ! $ ! $ )$ # $ ) $" * $ + +, $ # $ $ ! & $ +- . & )$& / *0 / *0 12 3 $ 3 $ 4+5 ((+657 +4,+ 3 4 8 +(3 (+ & & & & & $& + =+57 6 ,+ ( 7 ,++5 ,;4 ?6 @ 8 7+7 ,++5 +<; ,+ (( 7 7 +( ;<7 4 ,5+( :+4( 7 ,+ ; + 7,++5 ( 7+@ 7 +(:: ! "# # $ "# # $ % #&' $ ( ( ! "# $ "# $ % ) )* +, , ! - * !. / 0 )1 ( - 20 - 20 34 5 ! 6) 7, , )8 7 . ! )6 *) "# 9 $ "# 9 $ % 96 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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