AZ431L Datasheet, PDF (11/16 Pages) BCD Semiconductor Manufacturing Limited – LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR

LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR
Typical Application (Continued)
V_IN
R1
8.2K
AZ1117
AZ431L
2.5V/1A
R2
250
R3
250
Figure18. Precision 5-V 1.5A 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
V_OUT
Apr. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
11