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AZ431L_12 Datasheet, PDF (11/17 Pages) BCD Semiconductor Manufacturing Limited – LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR
LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR
Typical Application (Continued)
VIN
R1
8.2K
AZ1117
AZ431L
5V/1A
R2
250
R3
250
Figure18. Precision 5V 1A Regulator
Data Sheet
AZ431L
C1
R1
COMP
PWM Controller
VFB
R2 680
U2
C2
3
2
4
PS521
R3
R4
R5
Q1
AZ431L
Figure 19. PWM Converter with Reference
VOUT
Dec. 2012 Rev. 2. 6
BCD Semiconductor Manufacturing Limited
11