hi-sincerity microelectronics corp. spec. no. : hn200104 issued date : 2001.03.01 revised date : 2001.11.23 page no. : 1/4 H431N hsmc product specification H431N ajdustable shunt regulator description the H431N are three-terminal adjustable regulators with guara-nteed thermal stability over applicable te mperature ranges . the out-put 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 circ-uitry 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/ c typical ? temperature compensated for operation over ? full temperature range ? low output noise voltage ? fast turn on response absolute maximum ratings (operating temperature range applies unless otherwise specified) characteristics symbol value unit cathode voltage v ka 37 v cathode current range (continuous) i k -100~+150 ma reference input current range i ref 0.05~+10 ma power dissipation p d 225 mw operating temperature range t opr 0~+70 c storage temperature range t stg -65~+150 c sot-23
hi-sincerity microelectronics corp. spec. no. : hn200104 issued date : 2001.03.01 revised date : 2001.11.23 page no. : 2/4 H431N hsmc product specification functional block diagram & symbol test circuits electrical characteristics ( ta=25 c unless otherwise specified ) characteristics symbol test conditions min typ max unit reference input voltage v ref v ka =v ref , i k =10ma 2.445 2.495 2.545 v deviation of reference input voltage over-temperature v ref ( dev ) v ka =v ref , i k =10ma t min t a t max -417mv i k =10ma, ? v ka =10v-v ref - -1.4 -2.7 mv ratio of change in reference input voltage to the change in cathode voltage ? v ref / ? v ka i k =10ma, ? k ka =36v-10v - -1.0 -2.0 v reference input current i ref i k =10ma, r 1 =10k ? , r 2 = -24ua deviation of reference input current over full temperature range i ref ( dev ) i k =10ma, r 1 =10k ? , r 2 = , t a =full range -0.41.2ua minimum cathode current for regulation i k(min) v ka =v ref -0.41.0ma off-state cathode current i k(off) v ka =36v, v ref =0 - 0.1 1.0 ua dynamic impedance z ka v ka =v ref , f 1.0khz i k =1 to 100ma -0.20.5 ? functional block diagram : symbol : cathode reference a node cathode v ref + - reference a node in v z i i i ref v ref i z r1 fig1. test circuit for v z =v ref i i v z in i ref i z r2 v ref fig 2. test circuit for v z >v ref note : v z =v ref (1+r 1 /r 2 )+i ref xr 1 in v z fig3. test circuit for off-state current
hi-sincerity microelectronics corp. spec. no. : hn200104 issued date : 2001.03.01 revised date : 2001.11.23 page no. : 3/4 H431N hsmc product specification characteristics curve cathode current & cathode voltage -100 -75 -50 -25 0 25 50 75 100 125 150 -3 -2 -1 0 1 2 3 4 cathode voltage (v) cathode current (ma) v ka =v ref ta=25oc change in reference input voltage & cathode voltage -40 -35 -30 -25 -20 -15 -10 -5 0 0 1020304050 cathode voltage (v) change in reference input voltage (mv) i k =10m ta=25oc dynamic impedance & frequence 0.1 1 10 100 1 10 100 1000 10000 frequency (hz) impedance (ohm) i k =10ma to 100ma ta=25oc cathode current & cathode voltage -400 -200 0 200 400 600 800 1000 -2-10123 cathode voltage (v) cathode current (ua) v ka =v ref ta=25oc noise voltage & frequency 1 10 100 10 100 1000 10000 100000 frequency (hz) noise voltage (nv/hz 1/2 ) v ka =v ref i k =10ma ta=25oc small signal voltage amplification & frequency 1 10 100 1000 10000 100000 1000000 10000000 frequency (hz) voltage amplification (db) ik=10ma ta=25oc
hi-sincerity microelectronics corp. spec. no. : hn200104 issued date : 2001.03.01 revised date : 2001.11.23 page no. : 4/4 H431N hsmc product specification sot-23 dimension *: typical inches millimeters inches millimeters dim min. max. min. max. dim min. max. min. max. a 0.1102 0.1204 2.80 3.04 j 0.0034 0.0070 0.85 0.177 b 0.0472 0.0630 1.20 1.60 k 0.0128 0.0266 0.32 0.67 c 0.0335 0.0512 0.89 1.30 l 0.0335 0.0453 0.85 1.15 d 0.0118 0.0197 0.30 0.50 s 0.0830 0.1083 2.10 2.75 g 0.0669 0.0910 1.70 2.30 v 0.0098 0.0256 0.25 0.65 h 0.0005 0.0040 0.013 0.10 notes: 1.dimension and tolerance based on our spec. dated sep. 07,1997. 2.controlling dimension: millimeters. 3.maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 4.if there is any question with packing specification or packing method, please contact your local hsmc sales office. material: ? lead: 42 alloy ; solder plating ? mold compound: epoxy resin family, flammability solid burning class: ul94v-0 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 su itable for use in life-support applications, or systems. ? hsmc assumes no liability for any consequence of customer product design, infringement of patents, 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 h j k d a l g v c b 3 2 1 s style: pin 1.reference 2.cathode 3.anode 3-lead sot-23 plastic surface mounted package hsmc package code: n marking: 4 3 1
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