jiangsu changjiang electronics technology co., ltd sot - 89 encapsulate adjustable reference source cj431 adjustable accurate reference source features the output voltage can be adjusted to 36v low dynamic output impedance ,its typical value is 0.2 |? trapping current capability is 1 to 100ma the typical value of the equivalent temperature factor in the whole temperature scope is 50 ppm/ ?? the effective temperature compensation in the working range of full temperature low output noise voltage fast on - state respons absolute maximum ra t ings ? o perating temperature range applies unless otherwise specified ? parameter symbol value units cathode voltage v ka 37 v cathode current range (continuous) i ka - 100 - +150 ma reference lnput current range iref 0.05 - +10 ma power dissipation p d 770 mw operating temperature topr 0 - 70 ?? storage temperature range tstg - 65 - +150 ?? ?? electrical characteristics ? tamb=25 ?? unless otherwise specified ? parameter symbol test conditions min typ max unit reference lnput voltage v ref v ka =v ref , i ka =10ma 2.440 2.495 2.550 v deviation of reference input voltage ov er temperature (note) ? v ref / ? t v ka =v ref , i ka =10ma tmin ? ta ? tmax 4.5 17 mv ? v ka =10v ?? v ref - 1.0 - 2.7 m v/v ratio of change in reference lnput voltage to the change in cathode voltage ? v ref / ? v ka i ka =10m a ? v ka = 36 v ?? 10v - 0.5 - 2.0 reference l nput current l ref i ka = 10ma,r 1 =10k |? r 2 = ?t 1.5 4 | a deviation of reference lnput current over full temperature range ? l ref / ? t l ka =10ma, r 1 =10k |? r 2 = ?t t a =full temperature 0.4 1.2 | a minimum cathode current for regulation i ka (min) v ka =v ref 0.45 1.0 ma o ff - state cathode current i ka (off) v ka =36v ,v ref =0 0.05 1.0 | a dynamic lmpedance z ka v ka =v ref ,l ka =1 to 100ma f ? 1.0khz 0.15 0.5 |? note: t min =0 ?? ,t max =+70 ?? sot - 89 1. r eference 2. anode 3. cathode 2 1 3
d d1 c a b b1 e1 e l e e1 sot -89-3l p ackage outline dimensions symbol a b b1 c d d1 e e1 e e1 l min 1.400 0.320 0.360 0.350 4.400 1.400 2.300 3.940 2.900 0.900 max 1.600 0.520 0.560 0.440 4.600 1.800 2.600 4.250 3.100 1.100 min 0.055 0.013 0.014 0.014 0.173 0.055 0.091 0.155 0.114 0.035 max 0.063 0.020 0.022 0.017 0.181 0.071 0.102 0.167 0.122 0.043 dimensions in millimeters dimensions in inches 0.060typ 1.500typ
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