NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
RCL
V+
IOUT
IOUT
=
-V---r---e--f
RCL
Fig 35. Constant current source
V+
006aab595
VOUT
R1
R2
VOUT
=
1
+
RR-----12-
Vref
Fig 36. High-current shunt regulator
V+
ISINK
006aab596
ISINK
=
V----r---e--f
RS
Fig 37. Constant current sink
RS
006aab597
TL431 family
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 01 September 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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