Data Sheet
ADJUSTABLE PRECISION SHUNT REGULATORS
Typical Application
AZ431
R3
VIN
R1
VREF
R2
VOUT
VO=(1+R1/R2) VREF
AZ431
Figure 17. Shunt Regulator
VIN
R1
R2
VREF
R3
R4
AZ431
VOUT
VO=(1+R2/R3)*VREF
Figure 18. High Current Shunt Regulator
VIN
R1
R2
Iout
IOUT = VREF/R2 + IKA
Apr. 2005 Rev. 1. 7
AZ431
Figure19. Current Source or Current Limit
BCD Semiconductor Manufacturing Limited
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