FAN431 Datasheet, PDF (7/10 Pages) Fairchild Semiconductor – Programmable Shunt Regulator

Typical Application
V_O
=


1
+
R^{-R----12-}
V_ref
V_O
=
V_r

ef_
1
+
R^{-R----12-}
LM7805/MC7805
FAN431/FAN431A/FAN431L
V_O = _1 + _R-^R----¹²-_ V_ref
FAN431
Figure 13. Shunt Regulator
FAN431
FAN431
-
Figure 14. Output Control for
Three-Termianl Fixed Regulator
Figure 15. High Current Shunt Regulator
FAN431
Figure 16. Current Limit or Current Source
FAN431
Figure 17. Constant-Current Sink
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