Data sheet, Adjustable precision shunt regulators az431-b, Typical application (continued) – Diodes AZ431B User Manual

Page 12

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Data Sheet

12

Dec. 2012 Rev. 3.3

BCD Semiconductor Manufacturing Limited

ADJUSTABLE PRECISION SHUNT REGULATORS AZ431-B

Figure 21. PWM Converter with Reference

Figure 20. Precision 5V 1A Regulator

AZ1117

V

IN

V

OUT

Adjust

8.2K

AZ431-B

R1

R2

R3

250

250

5V, 1A

PWM Controller

C1

R1

R2 680

U2

3

4

PS521

C2

2

R3

R4

R5

V

OUT

AZ431-B

Q1

COMP

VFB

Typical Application (Continued)

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