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TL431B Datasheet, PDF (27/40 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATORS
TL431, TL431A, TL431B, TL432, TL432A, TL432B
ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS543A – AUGUST 2004 − REVISED AUGUST 2004
APPLICATION INFORMATION
VI(BATT)
IO
TL431
RS
0.1%
IO
+
Vref
RS
Figure 29. Precision Constant-Current Sink
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27