hi-sincerity microelectronics corp. spec. no. : ic200401 issued date : 2004.03.01 revised date : 2008.04.01 page no. : 1/7 H431 series hsmc product specification H431 series H431 series pin assignment adjustable shunt regulator description the H431 series are three-terminal adjustable regulators with guarante-ed thermal stability over applicable te mperature ranges. the output voltage may be set to any value between v ref (approximately 2.495 volts) and 36 volts with two external resistors. these devices have a typical dynamic output impedance of 0.2 . active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacement for zener diodes in many applications. features ? programmable output voltage ? temperature coefficient is 50ppm/ o c typical ? temperature compensated for oper ation over full temperature range ? low output noise voltage ? fast turn on response ordering information package v ref : 2.495 2% v ref : 2.495 1% v ref : 2.495 0.5% sot-23 H431an H431bn H431cn sot-89 H431am H431bm H431cm to-92 H431aa H431ba H431ca so-8 H431as H431bs H431cs absolute maximum ratings (operating temperature range applies unless otherwise specified) characteristics symbol value unit cathode voltage v ka 36 v cathode current range (continuous) i k -100~+150 ma reference input current range i ref 0.05~+10 ma sot-23 280 sot-89 770 to-92 770 power dissipation p d so-8 770 mw operating temperature range t opr -40~+125 o c storage temperature range t stg -65~+150 o c operating conditions characteristics symbol min. max. unit cathode voltage v ka v ref 36 v cathode current range (continuous) i k 1 100 ma 3-lead plastic so-8 package code: s pin 1: cathode pin 2/3/6/7: anode pin 4/5: nc pin 8: reference 5 1 2 3 ? 4 6 7 8 3-lead plastic sot-89 package code: m pin 1: reference pin 2: anode pin 3: cathode 3-lead plastic sot-23 package code: n pin 1: reference 3 2 pin 2: cathode 1 pin 3: anode 1 2 3 3-lead plastic to-92 package code: a pin 1: reference pin 2: anode pin 3: cathode 1 2 3
hi-sincerity microelectronics corp. spec. no. : ic200401 issued date : 2004.03.01 revised date : 2008.04.01 page no. : 2/7 H431 series hsmc product specification functional block diagram & symbol test circuits electrical characteristics (t a =25 o c unless otherwise specified) characteristics symbol test conditions min typ max unit H431an/am/aa/as 2.445 2.495 2.545 H431bn/bm/ba/bs 2.470 2.495 2.520 reference input voltage (fig1) H431cn/cm/ca/cs v ref v k =v ref , i k =10ma 2.483 2.495 2.507 v deviation of reference input voltage over-temperature (fig1) v ref(dev) v k =v ref , i k =10ma t min t a t max - 4 17 mv i k =10ma, v k =10v to v ref - -1.4 -2.7 mv/v ratio of change in reference input voltage to the change in cathode voltage (fig2) v ref / v k i k =10ma, v k =36v to 10v - -1.0 -2.0 mv/v reference input current (fig2) i ref i k =10ma, r 1 =10k , r 2 = - 2 4 ua deviation of reference input current over full temperature range (fig2) i ref(dev) i k =10ma, r 1 =10k , r 2 = , t a =full range - 0.4 1.2 ua minimum cathode current for regulation (fig1) i k(min) v k =v ref - 0.4 1.0 ma off-state cathode current (fig3) i k(off) v k =36v, v ref =0 - 0.1 1.0 ua dynamic output impedance (fig1) z k v k =v ref , f 1khz i k =1 to 100ma - 0.2 0.5 functional block diagram symbol fig 1. v k =v ref fig 2. v k >v ref fig 3. off-state current reference anode cathode in i v k i i off r 1 i i v k in i ref i ref i k v ref i k r 2 v ref note: v k =v ref (1+r 1 /r 2 )+i ref xr 1 in v k + - v anode reference cathode ref
hi-sincerity microelectronics corp. spec. no. : ic200401 issued date : 2004.03.01 revised date : 2008.04.01 page no. : 3/7 H431 series hsmc product specification characteristics curve cathode current & cathode voltage -100 -75 -50 -25 0 25 50 75 100 125 150 -2 -1 0 1 2 3 cathode voltage (v) cathode current (ma) v k =v ref , ta=25 o c test circuit (fig1) change in reference input voltage & cathode voltage -40 -35 -30 -25 -20 -15 -10 -5 0 5 0 102030405 cathode voltage (v) change in reference input voltage (mv 0 ) i k =10ma, ta=25 o c test circuits (fig2) reference input voltage & temperature 2.40 2.42 2.44 2.46 2.48 2.50 2.52 2.54 2.56 2.58 -40 -20 0 20 40 60 80 100 120 temperature ( o c) reference input voltage (v ) v k =v ref , i k =10m a test circuit (fig1) cathode current & cathode voltage -400 -200 0 200 400 600 800 1000 -2 -1 0 1 2 3 cathode voltage (v) cathode current (ua) v k =v ref , ta=25 o c test circuit (fig1) small signal voltage amplification & frequency -10 0 10 20 30 40 50 60 1000 10000 100000 1000000 10000000 frequency (hz) voltage amplification (db) vout 8.2k 15k ik 10uf 240 gnd +
hi-sincerity microelectronics corp. spec. no. : ic200401 issued date : 2004.03.01 revised date : 2008.04.01 page no. : 4/7 H431 series hsmc product specification typical application fig 4. shunt regulator fig 5. high current shunt regulator fig 6. output control of a three-terminal fixed regulator fig 7. series pass regulator fig 8. current limiter or current source fig 9. constant current sink r2 r1 vout vcc r2 r1 vout vcc vout=(1+r 1 /r 2 )v ref vout=(1+r 1 /r 2 )v ref r2 vout r1 vcc h7805 in out common r2 r1 vout vcc vout=(1+r 1 /r 2 )v ref ; v out(min) =v ref +5v vout=(1+r 1 /r 2 )v ref ; v out(min) =v ref +v be rcl vcc iout iout=v ref /r cl rs vcc isink isink=v ref /r s
hi-sincerity microelectronics corp. spec. no. : ic200401 issued date : 2004.03.01 revised date : 2008.04.01 page no. : 5/7 H431 series hsmc product specification sot-23 dimension dim min. max. a sot-89 dimension 321 a b c d e f g h i j dim min. max. a 4.40 4.60 b 4.05 4.25 c 1.50 1.70 d 2.40 2.60 e 0.36 0.51 f *1.50 - g *3.00 - h 1.40 1.60 i 0.35 0.41 *: typical, unit: mm marking: date code hsmc logo control code H431 pb free mark pb-free: " . " (note) normal: none note: green label is used for pb-free packing pin style: 1.reference 2.anode 3.cathode material: ? lead solder plating: sn60/pb40 (normal), sn/3.0ag/0.5cu or pure-tin (pb-free) ? mold compound: epoxy resin family, flammability solid bu rning class: ul94v-0 3-lead sot-89 plastic surface mounted package hsmc package code: m h j k d a l g v c b 3 2 1 s 2.80 3.04 b 1.20 1.60 c 0.89 1.30 d 0.30 0.50 g 1.70 2.30 h 0.013 0.10 j 0.085 0.177 k 0.32 0.67 l 0.85 1.15 s 2.10 2.75 v 0.25 0.65 *: typical, unit: mm marking: 43 pb free mark pb-free: " " (note) normal: none 1 note: pb-free product can distinguish by the green label or the extra description on the right side of the label. pin style: 1.refere nce 2.cathode 3.anode material: ? lead solder plating: sn60/pb40 (normal), sn/3.0ag/0.5cu or pure-tin (pb-free) ? mold compound: epoxy resin family, flammability solid bu rning class: ul94v-0 3-lead sot-23 plastic surface mounted package hsmc package code: n
hi-sincerity microelectronics corp. spec. no. : ic200401 issued date : 2004.03.01 revised date : 2008.04.01 page no. : 6/7 H431 series hsmc product specification to-92 dimension dim min. max. so-8 dimension important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prior written approval of hsmc. ? hsmc reserves the right to make changes to its products without notice. ? hsmc semiconductor products are not warranted to be suitable for use in life-support applications, or systems. ? hsmc assumes no liability for any consequence of customer prod uct design, infringement of paten ts, or application assistance. head office and factory: ? head office (hi-sincerity microelectronics corp.): 10f.,no. 61, sec. 2, chung-shan n. rd. taipei taiwan r.o.c. tel: 886-2-25212056 fax: 886-2-25632712, 25368454 ? factory 1: no. 38, kuang fu s. rd., fu-kou hsin-chu industrial park hsin-chu taiwan. r.o.c tel: 886-3-5983621~5 fax: 886-3-5982931 a b f c d e g part a i h j k o m l n part a 234 5 6 7 8 pin1 index 31 a d b c i 1 e 2 3 g h 2 f a 4.33 4.83 b 4.33 4.83 c 12.70 - d 0.36 0.56 e - *1.27 f 3.36 3.76 g 0.36 0.56 h - *2.54 i - *1.27 1 - *5 2 - *2 3 - *2 *: typical, unit: mm marking: pb free mark pb-free: " . " (note) normal: none control code date code ha 431 note: green label is used for pb-free packing pin style: 1.reference 2.anode 3.cathode material: ? lead solder plating: sn60/pb40 (normal), sn/3.0ag/0.5cu or pure-tin (pb-free) ? mold compound: epoxy resin family, flammability solid bu rning class: ul94v-0 3-lead to-92 plastic package hsmc package code: a dim min. max. a 4.85 5.10 b 3.85 3.95 c 5.80 6.20 d 1.22 1.32 e 0.37 0.47 f 3.74 3.88 g 1.45 1.65 h 4.80 5.10 i 0.05 0.20 j 0.30 0.70 k 0.19 0.25 l 0.37 0.52 m 0.23 0.28 n 0.08 0.13 o 0.00 0.15 *: typical, unit: mm marking: date code control code pin 1 mark hs 431 pb free mark pb-free: " . " (note) normal: none note: green label is used for pb-free packing pin style: 1.cathode 2/3/6/7.anode 4/5.nc 8.reference material: ? lead solder plating: sn60/pb40 (normal), sn/3.0ag/0.5cu or pure-tin (pb-free) ? mold compound: epoxy resin family, flammability solid bu rning class: ul94v-0 8-lead so-8 plastic surface mounted package hsmc package code: s
hi-sincerity microelectronics corp. spec. no. : ic200401 issued date : 2004.03.01 revised date : 2008.04.01 page no. : 7/7 H431 series hsmc product specification soldering methods for hsmc?s products 1. storage environment: temperature=10 o c~35 o c humidity=65%15% 2. reflow soldering of surface-mount devices figure 1: temperature profile t p t l ramp-down ramp-up ts max ts min critical zone t l to t p t s preheat t l t p 25 t 25 o c to peak time temperature profile feature sn-pb eutectic assembly pb-free assembly average ramp-up rate (t l to t p ) <3 o c/sec <3 o c/sec preheat - temperature min (ts min ) - temperature max (ts max ) - time (min to max) (ts) 100 o c 150 o c 60~120 sec 150 o c 200 o c 60~180 sec ts m a x t o t l - ramp-up rate <3 o c/sec <3 o c/sec time maintained above: - temperature (t l ) - time (t l ) 183 o c 60~150 sec 217 o c 60~150 sec peak temperature (t p ) 240 o c +0/-5 o c 260 o c +0/-5 o c time within 5 o c of actual peak temperature (t p ) 10~30 sec 20~40 sec ramp-down rate <6 o c/sec <6 o c/sec time 25 o c to peak temperature <6 minutes <8 minutes 3. flow (wave) soldering (solder dipping) products peak temperature dipping time pb devices. 245 o c 5 o c 10sec 1sec pb-free devices. 260 o c 5 o c 10sec 1sec
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