leshan radio comp any, ltd. sot-23 1: ref; 2: cathode; 3: anode sot-23 LR432ALT1G the lrc LR432ALT1G is a three-terminal adjustable regulator with a guaranteed thermal stability over applicable temperature (approximately 1.24v) and 18v with two external resistors. it provides very wide applications,including shunt regulator,series regulator,switching regulator,voltage reference and others. 3 5 2 * 5 $ 0 0 $ % / ( 3 5 ( & , 6 , 2 1 5 ( ) ( 5 ( 1 & ( linear integrated circuit features: ? precise reference voltage to 1.24v ? guaranteed 1% refer ence voltage tolerance ? sink current capability, 80 a to100ma ? quick turn-on ? adjustable output voltage, v o =v ref to 18v ? 0.2 ? t ypical output impedance we declare that the material of product is rohs compliant and does not contain any , clr b , and sb203 description ranges.the output voltage may be set to any value between linear integrated circuit v ref LR432ALT1G ? marking:ea ordering information device marking shipping LR432ALT1G lr432alt3g ea ea 3000/tape & reel 10000/tape & reel rev.o 1 2 3 1/4
1/6 absolute maximu m ratings symbol parameter rating unit v ka i k continu ous cathode current range 100 ma i ref referen ce current range 3 ma electrical characteristics t a = 25c ( unless otherwise noted) LR432ALT1G symb ol par ameter test conditions min typ max unit v ref r eference voltage v ka = v re f , l k =10m a (fig. 1) t a =25c v v dev v ref tem p deviation t a =fu ll range(see note1) v ka = v re f , l k =10m a(fig. 1) 10 25 mv ?v ref / ?v ka ratio of change in v ref to ch ange in cathode voltage ! k =10m a, v ka =18v to v ref (fig . 2) -1 -2.7 mv / v i ref refere nce input current i k =10m a, r 1 =10k ? r 2 = (fig .2) a i ref(dev) i ref tem p deviation t k =full ra nge (see note 1), r 1 =10k ? , r 2 = , i k =10 ma (fig. 2) 0.05 0.3 a ik (off) off-state cathode current v ref =0 v,(fig.3) v k =18v 0.04 0.5 a zka dy namic output impedance v ka =v re f , i k =1 ma to 100ma f 1khz (fig. 1) 0.2 0.4 ? i k ( min ) minimum operating current v ka =v ref (fig . 1) 60 80 a cathode voltage 18 v 1.228 1.24 0 1.252 0.25 0.5 leshan radio comp any, ltd. t operating ambient tem perature - 40 to 105 c opr linear integrated circuit linear integrated circuit LR432ALT1G tj operating junction tem perature range 150 c rev.o 2/4
leshan radio comp any, ltd. f ig.1 test circuit for vka=vref, vo=vka=vref, co=0.1f f ig.2 test circuit for vka>vref, vo=vka =vref(1+r1/r2)+irefr1, co=0.1f fig.3 t est circuit for ik(off) linear integrated circuit linear integrated circuit LR432ALT1G rev.o 3/4
leshan radio comp any, ltd. no tes: 1 . dimensioning and tolerancing per ansi y14.5m,1982 2. controlling dimension: inch. inches millimeters dim min max min max a 0.1102 0.1197 2.80 3.04 b 0.0472 0.0551 1.20 1.40 c 0.0350 0.0440 0.89 1.11 d 0.0150 0.0200 0.37 0.50 g 0.0701 0.0807 1.78 2.04 h 0.0005 0.0040 0.013 0.100 j 0.0034 0.0070 0.085 0.177 k 0.0140 0.0285 0.35 0.69 l 0.0350 0.0401 0.89 1.02 s 0.0830 0.1039 2.10 2.64 v 0.0177 0.0236 0.45 0.60 s ot - 23 d j k l a c b s h g v 12 3 mm inches 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 linear integrated circuit linear integrated circuit LR432ALT1G rev.o 4/4
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