TL432A-Q1 Datasheet, PDF (15/22 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATORS

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TL432A-Q1
TL432B-Q1
SLVS900A – NOVEMBER 2008 – REVISED JULY 2012
V_I(BATT)
IN
8.2 kΩ
OUT
LM317
Adjust
V_O ≈ 5 V, 1.5 A
243 Ω
0.1%
TL432x-Q1
243 Ω
0.1%
Figure 23. Precision 5-V 1.5-A Regulator
V_I(BATT)
R_b
(see Note A)
TL432x-Q1
V_O ≈ 5 V
27.4 kΩ
0.1%
27.4 kΩ
0.1%
A. R_b should provide cathode current ≥1 mA to the TL432x-Q1.
Figure 24. Efficient 5-V Precision Regulator
12 V
6.8 kΩ
5V
10 kΩ
TL432x-Q1
10 kΩ
0.1%
10 kΩ
0.1%
X
Not
Used
V_CC
-
+ _TL598
Feedback
Figure 25. PWM Converter With Reference
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Product Folder Link(s): TL432A-Q1 TL432B-Q1