Datasheet

TL431−Q1
ADJUSTABLE PRECISION SHUNT REGULATOR
SGLS302D − MARCH 2005 − REVISED MARCH 2013
17
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
TL431
R
S
0.1%
I
O
V
I(BATT)
I
O
+
V
ref
R
S
Figure 29. Precision Constant-Current Sink