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1 publication order number: tlv431a/d ? semiconductor components industries, llc, 2016 february, 2016 ? rev. 21 tlv431a, tlv431b, tlv431c, scv431b, ncv431 low voltage precision adjustable shunt regulator the tlv431a, b and c series are precision low voltage shunt regulators that are programmable over a wide voltage range of 1.24 v to 16 v. the tlv431a series features a guaranteed reference accuracy of 1.0% at 25 c and 2.0% over the entire industrial temperature range of ?40 c to 85 c. the tlv431b series features higher reference accuracy of 0.5% and 1.0% respectively. for the tlv431c series, the accuracy is even higher. it is 0.2% and 1.0% respectively. these devices exhibit a sharp low current turn?on characteristic with a low dynamic impedance of 0.20 over an operating current range of 100 a to 20 ma. this combination of features makes this series an excellent replacement for zener diodes in numerous applications circuits that require a precise reference voltage. when combined with an optocoupler, the tlv431a/b/c can be used as an error amplifier for controlling the feedback loop in isolated low output voltage (3.0 v to 3.3 v) switching power supplies. these devices are available in economical to?92?3 and micro size tsop?5 and sot?23?3 packages. features ? programmable output voltage range of 1.24 v to 16 v ? voltage reference tolerance 1.0% for a series, 0.5% for b series and 0.2% for c series ? sharp low current turn?on characteristic ? low dynamic output impedance of 0.20 from 100 a to 20 ma ? wide operating current range of 50 a to 20 ma ? micro miniature tsop?5, sot?23?3 and to?92?3 packages ? these are pb?free and halide?free devices ? scv and ncv prefix for automotive and other applications requiring unique site and control change requirements; aec?q100 qualified and ppap capable applications ? low output voltage (3.0 v to 3.3 v) switching power supply error amplifier ? adjustable voltage or current linear and switching power supplies ? voltage monitoring ? current source and sink circuits ? analog and digital circuits requiring precision references ? low voltage zener diode replacements - + 1.24 v ref reference (r) cathode (k) anode (a) figure 1. representative block diagram to?92 lp suffix case 29 tsop?5 sn suffix case 483 1 2 3 5 4 sot?23?3 sn1 suffix case 318 1 2 3 see detailed ordering and shipping information in the packag e dimensions section on page 14 of this data sheet. ordering information see general marking information in the device marking section on page 13 of this data sheet. device marking information and pin connections www. onsemi.com 1 2 3 1 2 bent lead tape & reel ammo pack straight lead bulk pack 3
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 2 reference (r) cathode (k) anode (a) anode (a) reference (r) cathode (k) the device contains 13 active transistors. device symbol figure 2. representative device symbol and schematic diagram maximum ratings (full operating ambient temperature range applies, unless otherwise noted) rating symbol value unit cathode to anode voltage v ka 18 v cathode current range, continuous i k ?20 to 25 ma reference input current range, continuous i ref 0.05 to 10 ma thermal characteristics lp suffix package, to?92?3 package thermal resistance, junction?to?ambient thermal resistance, junction?to?case sn suffix package, tsop?5 package thermal resistance, junction?to?ambient sn1 suffix package, sot?23?3 package thermal resistance, junction?to?ambient r ja r jc r ja r ja 178 83 226 491 c/w operating junction temperature t j 150 c operating ambient temperature range tlv431x ncv431, scv431b t a 40 to 85 40 to 125 c storage temperature range t stg 65 to 150 c stresses exceeding those listed in the maximum ratings table may damage the device. if any of these limits are exceeded, device function ality should not be assumed, damage may occur and reliability may be affected. note: this device series contains esd protection and exceeds the following tests: human body model 2000 v per jedec jesd22?a114f, machine model method 200 v per jedec jesd22?a115c, charged device method 1000 v per jedec jesd22?c101e. this device contains latch?up protection and exceeds 100 ma per jedec standard jesd78. p d t j(max) t a r ja recommended operating conditions condition symbol min max unit cathode to anode voltage v ka v ref 16 v cathode current i k 0.1 20 ma functional operation above the stresses listed in the recommended operating ranges is not implied. extended exposure to stresse s beyond the recommended operating ranges limits may affect device reliability.
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 3 electrical characteristics (t a = 25 c unless otherwise noted) characteristic symbol tlv431a tlv431b uni t min typ max min typ max reference voltage (figure 3) (v ka = v ref , i k = 10 ma, t a = 25 c) (t a = t low to t high , note 1) v ref 1.228 1.215 1.240 ? 1.252 1.265 1.234 1.228 1.240 ? 1.246 1.252 v reference input voltage deviation over temperature (figure 3) (v ka = v ref , i k = 10 ma, t a = t low to t high , notes 1, 2, 3) v ref ? 7.2 20 ? 7.2 20 mv ration of reference input voltage change to cathode voltage change (figure 4) (v ka = v ref to 16 v, i k = 10 ma) v ref v ka ? ?0.6 ?1.5 ? ?0.6 ?1.5 mv v reference terminal current (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open) i ref ? 0.15 0.3 ? 0.15 0.3 a reference input current deviation over temperature (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open, notes 1, 2, 3) i ref ? 0.04 0.08 ? 0.04 0.08 a minimum cathode current for regulation (figure 3) i k(min ) ? 30 80 ? 30 80 a off?state cathode current (figure 5) (v ka = 6.0 v, v ref = 0) (v ka = 16 v, v ref = 0) i k(off) ? ? 0.01 0.012 0.04 0.05 ? ? 0.01 0.012 0.04 0.05 a dynamic impedance (figure 3) (v ka = v ref , i k =0.1 ma to 20 ma, f 1.0 khz, note 4) |z ka | ? 0.25 0.4 ? 0.25 0.4 1. ambient temperature range: t low = 40 c, t high = 85 c. 2. guaranteed but not tested. 3. the deviation parameters v ref and i ref are defined as the difference between the maximum value and minimum value obtained over the full operating ambient temperature range that applied. v ref max v ref min t 1 t 2 ambient temperature v ref = v ref max ? v ref min t a = t 2 ? t 1 the average temperature coefficient of the reference input voltage, v ref is defined as: v ref ppm c ( v ref ) v ref (t a 25 c) 10 6 t a v ref can be positive or negative depending on whether v ref min or v ref max occurs at the lower ambient temperature, refer to figure 8. example: v ref = 7.2 mv and the slope is positive, example: v ref @ 25 c = 1.241 v example: t a = 125 c v ref ppm c 0.0072 1.241 125 46 ppm c 10 6 4. the dynamic impedance z ka is defined as: ? z ka ? v ka i k when the device is operating with two external resistors, r1 and r2, (refer to figure 4) the total dynamic impedance of the cir cuit is given by: ? z ka ? ? z ka ? 1 r1 r2
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 4 electrical characteristics (t a = 25 c unless otherwise noted) characteristic symbol tlv431c uni t min typ max reference voltage (figure 3) (v ka = v ref , i k = 10 ma, t a = 25 c) (t a = t low to t high , note 5) v ref 1.237 1.228 1.240 ? 1.243 1.252 v reference input voltage deviation over temperature (figure 3) (v ka = v ref , i k = 10 ma, t a = t low to t high , notes 5, 6, 7) v ref ? 7.2 2.0 mv ration of reference input voltage change to cathode voltage change (figure 4) (v ka = v ref to 16 v, i k = 10 ma) v ref v ka ? ?0.6 ?1.5 mv v reference terminal current (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open) i ref ? 0.15 0.3 a reference input current deviation over temperature (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open, notes 5, 6, 7) i ref ? 0.04 0.08 a minimum cathode current for regulation (figure 3) i k(min ) ? 30 80 a off?state cathode current (figure 5) (v ka = 6.0 v, v ref = 0) (v ka = 16 v, v ref = 0) i k(off) ? ? 0.01 0.012 0.04 0.05 a dynamic impedance (figure 3) (v ka = v ref , i k = 0.1 ma to 20 ma, f 1.0 khz, note 8) |z ka | ? 0.25 0.4 5. ambient temperature range: t low = 40 c, t high = 85 c. 6. guaranteed but not tested. 7. the deviation parameters v ref and i ref are defined as the difference between the maximum value and minimum value obtained over the full operating ambient temperature range that applied. v ref max v ref min t 1 t 2 ambient temperature v ref = v ref max ? v ref min t a = t 2 ? t 1 the average temperature coefficient of the reference input voltage, v ref is defined as: v ref ppm c ( v ref ) v ref (t a 25 c) 10 6 t a v ref can be positive or negative depending on whether v ref min or v ref max occurs at the lower ambient temperature, refer to figure 8. example: v ref = 7.2 mv and the slope is positive, example: v ref @ 25 c = 1.241 v example: t a = 125 c v ref ppm c 0.0072 1.241 125 46 ppm c 10 6 8. the dynamic impedance z ka is defined as: ? z ka ? v ka i k when the device is operating with two external resistors, r1 and r2, (refer to figure 4) the total dynamic impedance of the cir cuit is given by: ? z ka ? ? z ka ? 1 r1 r2
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 5 electrical characteristics (t a = 25 c unless otherwise noted) characteristic symbol ncv431a uni t min typ max reference voltage (figure 3) (v ka = v ref , i k = 10 ma, t a = 25 c) (t a = 40 c to 85 c) (t a = 40 c to 125 c) v ref 1.228 1.215 1.211 1.240 ? ? 1.252 1.265 1.265 v reference input voltage deviation over temperature (figure 3) (v ka = v ref , i k = 10 ma, t a = 40 c to 85 c, notes 9, 10) (v ka = v ref , i k = 10 ma, t a = 40 c to 125 c, notes 9, 10) v ref ? ? 7.2 7.2 20 24 mv ration of reference input voltage change to cathode voltage change (figure 4) (v ka = v ref to 16 v, i k = 10 ma) v ref v ka ? ?0.6 ?1.5 mv v reference terminal current (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open) i ref ? 0.15 0.3 a reference input current deviation over temperature (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open, t a = 40 c to 85 c, notes 9, 10) (i k = 10 ma, r1 = 10 k , r2 = open, t a = 40 c to 125 c, notes 9, 10) i ref ? ? 0.04 ? 0.08 0.10 a minimum cathode current for regulation (figure 3) i k(min ) ? 30 80 a off?state cathode current (figure 5) (v ka = 6.0 v, v ref = 0) (v ka = 16 v, v ref = 0) i k(off) ? ? 0.01 0.012 0.04 0.05 a dynamic impedance (figure 3) (v ka = v ref , i k =0.1 ma to 20 ma, f 1.0 khz, note 11) |z ka | ? 0.25 0.4 9. guaranteed but not tested. 10. the deviation parameters v ref and i ref are defined as the difference between the maximum value and minimum value obtained over the full operating ambient temperature range that applied. v ref max v ref min t 1 t 2 ambient temperature v ref = v ref max ? v ref min t a = t 2 ? t 1 the average temperature coefficient of the reference input voltage, v ref is defined as: v ref ppm c ( v ref ) v ref (t a 25 c) 10 6 t a v ref can be positive or negative depending on whether v ref min or v ref max occurs at the lower ambient temperature, refer to figure 8. example: v ref = 7.2 mv and the slope is positive, example: v ref @ 25 c = 1.241 v example: t a = 125 c v ref ppm c 0.0072 1.241 125 46 ppm c 10 6 11. the dynamic impedance z ka is defined as: ? z ka ? v ka i k when the device is operating with two external resistors, r1 and r2, (refer to figure 4) the total dynamic impedance of the cir cuit is given by: ? z ka ? ? z ka ? 1 r1 r2
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 6 electrical characteristics (t a = 25 c unless otherwise noted) characteristic symbol scv431b, ncv431b uni t min typ max reference voltage (figure 3) (v ka = v ref , i k = 10 ma, t a = 25 c) (t a = 40 c to 85 c) (t a = 40 c to 125 c) v ref 1.234 1.228 1.224 1.240 ? ? 1.246 1.252 1.252 v reference input voltage deviation over temperature (figure 3) (v ka = v ref , i k = 10 ma, t a = 40 c to 85 c, notes 9, 10) (v ka = v ref , i k = 10 ma, t a = 40 c to 125 c, notes 9, 10) v ref ? ? 7.2 7.2 20 24 mv ration of reference input voltage change to cathode voltage change (figure 4) (v ka = v ref to 16 v, i k = 10 ma) v ref v ka ? ?0.6 ?1.5 mv v reference terminal current (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open) i ref ? 0.15 0.3 a reference input current deviation over temperature (figure 4) (i k = 10 ma, r1 = 10 k , r2 = open, t a = 40 c to 85 c, notes 12, 13) (i k = 10 ma, r1 = 10 k , r2 = open, t a = 40 c to 125 c, notes 12, 13) i ref ? ? 0.04 ? 0.08 0.10 a minimum cathode current for regulation (figure 3) i k(min ) ? 30 80 a off?state cathode current (figure 5) (v ka = 6.0 v, v ref = 0) (v ka = 16 v, v ref = 0) i k(off) ? ? 0.01 0.012 0.04 0.05 a dynamic impedance (figure 3) (v ka = v ref , i k =0.1 ma to 20 ma, f 1.0 khz, note 14) |z ka | ? 0.25 0.4 12. guaranteed but not tested. 13. the deviation parameters v ref and i ref are defined as the difference between the maximum value and minimum value obtained over the full operating ambient temperature range that applied. v ref max v ref min t 1 t 2 ambient temperature v ref = v ref max ? v ref min t a = t 2 ? t 1 the average temperature coefficient of the reference input voltage, v ref is defined as: v ref ppm c ( v ref ) v ref (t a 25 c) 10 6 t a v ref can be positive or negative depending on whether v ref min or v ref max occurs at the lower ambient temperature, refer to figure 8. example: v ref = 7.2 mv and the slope is positive, example: v ref @ 25 c = 1.241 v example: t a = 125 c v ref ppm c 0.0072 1.241 125 46 ppm c 10 6 14. the dynamic impedance z ka is defined as: ? z ka ? v ka i k when the device is operating with two external resistors, r1 and r2, (refer to figure 4) the total dynamic impedance of the cir cuit is given by: ? z ka ? ? z ka ? 1 r1 r2 product parametric performance is indicated in the electrical characteristics for the listed test conditions, unless otherwise noted. product performance may not be indicated by the electrical characteristics if operated under different conditions.
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 7 figure 3. test circuit for v ka = v ref figure 4. test circuit for v ka v ref figure 5. test circuit for i k(off) i k input v ka v ref i k(off) input v ka i k input v ka v ref i ref r2 r1 v ka v ref 1 r1 r2 i ref r1 vref (min) vref (typ) figure 6. cathode current vs. cathode voltage figure 7. cathode current vs. cathode voltage figure 8. reference input voltage versus ambient temperature figure 9. reference input current versus ambient temperature v ka , cathode voltage (v) 30 20 10 0 2.0 1.5 1.0 0.5 0 ?0.5 ?1.0 i k , cathode current (ma) v ka , cathode voltage (v) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 90 70 50 30 10 ?10 ?30 i k , cathode current ( a) ?10 110 t a , ambient temperature ( c) 1.25 1.23 35 10 ?15 ?40 v ref , reference input voltage (v) t a , ambient temperature ( c) 85 60 35 10 ?15 ?40 0.14 0.13 0.12 i ref , reference input current ( a) 1.22 0.15 85 60 1.24 i k input v ka v ka = v ref t a = 25 c i k input v ka v ka = v ref t a = 25 c i k input v ka i k = 10 ma 10 k i ref v ka = v ref i k = 10 ma input i k v ka vref (max) i k(min) tlv431a typ.
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 8 figure 10. reference input voltage change versus cathode voltage figure 11. off?state cathode current versus cathode voltage figure 12. off?state cathode current versus ambient temperature figure 13. dynamic impedance versus frequency figure 14. dynamic impedance versus ambient temperature figure 15. open?loop voltage gain versus frequency v ka , cathode voltage (v) 0 ?2.0 ?6.0 ?8.0 12 8.0 4.0 0 v ref , reference input voltage change (mv) v ka , cathode voltage (v) 20 12 8.0 4.0 0 3.0 2.0 1.0 0 i k(off) , cathode current ( a) ?10 4.0 ?4.0 16 t a , ambient temperature ( c) 0.4 0.3 35 10 ?15 ?40 i off , off-state cathode current ( a) f, frequency (hz) 10 m 10 k 1.0 k 0.1 | , dynamic impedance (ohm) 0 10 0.1 100 k 1.0 m 60 85 1.0 za| t a , ambient temperature ( c) 0.23 0.21 0.20 35 10 ?15 ?40 |za|, dynamic impedance (ohm) f, frequency (hz) 1.0 m 1.0 k 100 50 40 30 20 10 0 a vol , open loop voltage gain (db) 0.19 60 0.22 10 k 100 k 85 60 0.24 i off input v ka v ka = 16 v v ref = 0 v i off input v ka v ka = 16 v v ref = 0 v i k input v ka r1 r2 v ref 8.25 k 15 k i k 230 output 9 f 50 + ? output i k + ? i k = 10 ma t a = 25 c i k = 0.1 ma to 20 ma t a = 25 c i k = 10 ma t a = 25 c 0.2 i k = 0.1 ma to 20 ma f = 1.0 khz 50 + ? output i k t a = 25 c 16
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 9 t a = 25 c c l , load capacitance 10 pf 100 pf 20 15 10 5.0 0 i k , cathode current (ma) 25 1.0 nf 0.01 f 0.1 f 100 f 1.0 f 10 f c a b d stable stable stable figure 16. spectral noise density figure 17. pulse response f, frequency (hz) 350 275 10 k 1.0 k 100 10 noise voltage (nv/ 250 300 100 k 325 figure 18. stability boundary conditions i k v ka = v ref i k = 10 ma t a = 25 c i ref input output 50 pulse generator f = 100 khz output input hz) figure 19. test circuit for figure 18 c l i k 1.0 k v+ output input 1.8 k 0 2.0 4.0 6.0 8.0 10 .0 0 2.0 0 0.5 (volts) 1.0 1.5 t, time ( s) t a = 25 c 1.0 3.0 5.0 7.0 9.0 unstable regions v ka (v) r1 (k ) a, c v ref b, d 5.0 0 30.4 r2 r1 r2 (k ) 10 stability figures 18 and 19 show the stability boundaries and circuit configurations for the worst case conditions with the load capacitance mounted as close as possible to the device. the required load capacitance for stable operation can vary depending on the operating temperature and capacitor equivalent series resistance (esr). ceramic or tantalum surface mount capacitors are recommended for both temperature and esr. the application circuit stability should be verified over the anticipated operating current and temperature ranges.
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 10 figure 20. shunt regulator figure 21. high current shunt regulator v out 1 r1 r2 v ref v out 1 r1 r2 v ref r1 r2 v out v in r1 r2 v out v in typical applications figure 22. output control for a three terminal fixed regulator figure 23. series pass regulator v out 1 r1 r2 v ref v out(min) v ref 5.0 v v out 1 r1 r2 v ref v out(min) v ref v in v out r1 r2 v in v out r1 r2 out in mc7805 common v in(min) v out v be
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 11 figure 24. constant current source figure 25. constant current sink i out v ref r cl i sink v ref r s figure 26. triac crowbar v out(trip) 1 r1 r2 v ref figure 27. scr crowbar v out(trip) 1 r1 r2 v ref v in v out r cl v in r s i sink v in v out r2 v in v out r1 r2 r1 i out
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 12 figure 28. voltage monitor figure 29. linear ohmmeter figure 30. simple 400 mw phono amplifier lower limit 1 r1 r2 v ref l.e.d. indicator is ?on? when v in is between the upper and lower limits, upper limit 1 r3 r4 v ref led r1 r2 r3 r4 v in 10 k calibrate - + 25 v ?5.0 v v out 25 v 2.0 ma 5 k 1% 50 k 1% 1.0 m 1% range r x 1n5305 1.0 k v 1.0 m v 10 k v 500 k 1% 100 k v 360 k 56 k 10 k 330 t1 8.0 38 v 470 f 1.0 f 0.05 f + 25 k volume 47 k t1 = 330 to 8.0 r x v out v range * thermalloy * thm 6024 * heatsink on * lp package. * tone
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 13 figure 31. isolated output line powered switching power supply the above circuit shows the tlv431a/b/c as a compensated amplifier controlling the feedback loop of an isolated output line powered switching regulator. the output voltage is programmed to 3.3 v by the resistors values selected for r1 and r2. the minimum output voltage that can be programmed with this circuit is 2.64 v, and is limited by the sum of the reference voltage (1.24 v) and the forward drop of the optocoupler light emitting diode (1.4 v). capacitor c1 provides loop compensation. gate drive v cc controller v fb gnd current sense dc output 3.3 v r1 3.0 k r2 1.8 k 100 ac input c1 0.1 f anode reference nc nc cathode 5 4 1 2 3 tlv43 1xxx alyww pin connections and device marking (top view) 123 cathode anode reference 1 2 3 (top view) xxx = specific device code a = assembly location y = year l = wafer lot ww, w = work week = pb?free package (note: microdot may be in either location) 1. reference 2. anode 3. cathode to?92 tsop?5 sot?23?3 xxx = specific device code m = date code = pb?free package (note: microdot may be in either location) xxxm xxxayw
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 14 ordering information device device code package shipping ? tlv431alpg alp to?92?3 (pb?free) 6000 / box tlv431alprag alp to?92?3 (pb?free) 2000 / tape & reel tlv431alpreg alp to?92?3 (pb?free) 2000 / tape & reel tlv431alprmg alp to?92?3 (pb?free) 2000 / ammo pack tlv431alprpg alp to?92?3 (pb?free) 2000 / ammo pack tlv431asnt1g raa tsop?5 (pb?free, halide?free) 3000 / tape & reel tlv431asn1t1g raf sot?23?3 (pb?free, halide?free) 3000 / tape & reel tlv431blpg blp to?92?3 (pb?free) 6000 / box tlv431blprag blp to?92?3 (pb?free) 2000 / tape & reel tlv431blpreg blp to?92?3 (pb?free) 2000 / tape & reel tlv431blprmg blp to?92?3 (pb?free) 2000 / ammo pack tlv431blprpg blp to?92?3 (pb?free) 2000 / ammo pack tlv431bsnt1g rah tsop?5 (pb?free, halide?free) 3000 / tape & reel tlv431bsn1t1g rag sot?23?3 (pb?free, halide?free) 3000 / tape & reel tlv431csn1t1g aan sot?23?3 (pb?free, halide?free) 3000 / tape & reel scv431bsn1t1g* rac sot?23?3 (pb?free, halide?free) 3000 / tape & reel NCV431ASNT1G* ach tsop?5 (pb?free, halide?free) 3000 / tape & reel ncv431bsnt1g* ad6 tsop?5 (pb?free, halide?free) 3000 / tape & reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d. *scv, ncv prefix for automotive and other applications requiring unique site and control change requirements; aec?q100 qualifie d and ppap capable.
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 15 package dimensions to?92 (to?226) lp suffix case 29?11 issue am notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. contour of package beyond dimension r is uncontrolled. 4. lead dimension is uncontrolled in p and beyond dimension k minimum. r a p j l b k g h section x?x c v d n n xx seating plane dim min max min max millimeters inches a 0.175 0.205 4.45 5.20 b 0.170 0.210 4.32 5.33 c 0.125 0.165 3.18 4.19 d 0.016 0.021 0.407 0.533 g 0.045 0.055 1.15 1.39 h 0.095 0.105 2.42 2.66 j 0.015 0.020 0.39 0.50 k 0.500 --- 12.70 --- l 0.250 --- 6.35 --- n 0.080 0.105 2.04 2.66 p --- 0.100 --- 2.54 r 0.115 --- 2.93 --- v 0.135 --- 3.43 --- 1 notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. contour of package beyond dimension r is uncontrolled. 4. lead dimension is uncontrolled in p and beyond dimension k minimum. r a p j b k g section x?x c v d n xx seating plane dim min max millimeters a 4.45 5.20 b 4.32 5.33 c 3.18 4.19 d 0.40 0.54 g 2.40 2.80 j 0.39 0.50 k 12.70 --- n 2.04 2.66 p 1.50 4.00 r 2.93 --- v 3.43 --- 1 t straight lead bulk pack bent lead tape & reel ammo pack
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 16 package dimensions sot?23?3 sn1 suffix case 318?08 issue ap d a1 3 12 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. maximum lead thickness includes lead finish thickness. minimum lead thickness is the minimum thickness of base material. 4. dimensions d and e do not include mold flash, protrusions, or gate burrs. mm inches scale 10:1 0.8 0.031 0.9 0.035 0.95 0.037 0.95 0.037 2.0 0.079 soldering footprint view c l 0.25 l1 e e e b a see view c dim a min nom max min millimeters 0.89 1.00 1.11 0.035 inches a1 0.01 0.06 0.10 0.001 b 0.37 0.44 0.50 0.015 c 0.09 0.13 0.18 0.003 d 2.80 2.90 3.04 0.110 e 1.20 1.30 1.40 0.047 e 1.78 1.90 2.04 0.070 l 0.10 0.20 0.30 0.004 0.040 0.044 0.002 0.004 0.018 0.020 0.005 0.007 0.114 0.120 0.051 0.055 0.075 0.081 0.008 0.012 nom max l1 h 2.10 2.40 2.64 0.083 0.094 0.104 h e 0.35 0.54 0.69 0.014 0.021 0.029 c 0 ??? 10 0 ??? 10
tlv431a, tlv431b, tlv431c, scv431b, ncv431 www. onsemi.com 17 package dimensions tsop?5 sn suffix case 483?02 issue k notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. maximum lead thickness includes lead finish thickness. minimum lead thickness is the minimum thickness of base material. 4. dimensions a and b do not include mold flash, protrusions, or gate burrs. mold flash, protrusions, or gate burrs shall not exceed 0.15 per side. dimension a. 5. optional construction: an additional trimmed lead is allowed in this location. trimmed lead not to extend more than 0.2 from body. dim min max millimeters a 3.00 bsc b 1.50 bsc c 0.90 1.10 d 0.25 0.50 g 0.95 bsc h 0.01 0.10 j 0.10 0.26 k 0.20 0.60 m 0 10 s 2.50 3.00 123 54 s a g b d h c j 0.7 0.028 1.0 0.039 mm inches scale 10:1 0.95 0.037 2.4 0.094 1.9 0.074 *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* 0.20 5x c ab t 0.10 2x 2x t 0.20 note 5 c seating plane 0.05 k m detail z detail z top view side view a b end view on semiconductor and the are registered trademarks of semiconductor components industries, llc (scillc) or its subsidia ries in the united states and/or other countries. scillc owns the rights to a number of pa tents, trademarks, copyrights, trade secret s, and other intellectual property. a listin g of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent?marking.pdf. scillc reserves the right to make changes without further notice to any product s herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any part icular purpose, nor does sci llc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. ?typi cal? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating param eters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the right s of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgic al implant into the body, or other applications intended to s upport or sustain life, or for any other application in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer s hall indemnify and hold scillc and its officers , employees, subsidiaries, affiliates, and dist ributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufac ture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. p ublication ordering information n. american technical support : 800?282?9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81?3?5817?1050 tlv431a/d literature fulfillment : literature distribution center for on semiconductor 19521 e. 32nd pkwy, aurora, colorado 80011 usa phone : 303?675?2175 or 800?344?3860 toll free usa/canada fax : 303?675?2176 or 800?344?3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your loc al sales representative

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