MMTL431 programmable precision reference features: ? programmable output voltage to 36 v ? low dynamic output impedance ? sink current capability of 1 to 100 ma ? low output noise voltage ? fast turn on response absolute maximum ratings (t a = 25 o c, unless otherwise noted.) parameter symbol value unit cathode voltage v ka 37 v cathode current range (continuous) i ka - 100 to + 150 ma reference input current range i ref - 0.05 to + 10 ma power dissipation p d 350 mw operating temperature range t opr - 25 to + 85 o c junction temperature t j 150 o c storage temperature range t stg - 65 to + 150 o c recmmended operating conditions parameter symbol min. max. unit cathode voltage v ka v ref 36 v cathode current i ka 1 100 ma characteristics at t a = 25 o c parameter symbol min. typ. max. unit reference input voltage at v ka = v ref , i ka = 10 ma v ref 2.44 2.495 2.55 v deviation of reference input voltage over temperatue at v ka = v ref , i ka = 10 ma, - 25 o c t a + 85 o c ? v ref / ? t - 4.5 17 mv ratio of change in reference input voltage to the change in cathode voltage ? v ka = 10 v to v ref at i ka = 10 ma ? v ka = 36 v to 10 v ? v ref / ? v ka - - -1.0 -0.5 -2.7 -2 mv/v reference input current at i ka = 10 ma, r1 = 10 k ? , r2 = i ref - 1.5 4 a deviation of reference input current over full temperatue at i ka = 10 ma, r1 = 10 k ? , r2 = , - 25 o c t a + 85 o c ? i ref / ? t - 0.4 1.2 a minimum cathode current for regulation at v ka = v ref i ka(min) - 0.45 1 ma off-stage cathode current at v ka = 36 v, v ref = 0 i ka(off) - 0.05 1 a dynamic impedance at v ka = v ref , i ka = 1 to 100 ma, f 1 khz z ka - 0.15 0.5 ? 1. reference 2.cathode 3. anode sot-23 plastic package
MMTL431
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