Data Sheet
ADJUSTABLE PRECISION SHUNT REGULATORS
Typical Application
AZ431-B
R3
VIN
R1
VREF
R2
VOUT
VOUT=(1+R1/R2)*VREF
AZ431-B
Figure 17. Shunt Regulator
VIN
R1
R2
VREF
R3
R4
AZ431-B
VOUT
VOUT=(1+R2/R3)*VREF
Figure 18. High Current Shunt Regulator
VIN
R1
R2
IOUT
IOUT=VREF/R2 + IKA
Dec. 2012 Rev. 3.3
AZ431-B
Figure 19. Current Source or Current Limit
BCD Semiconductor Manufacturing Limited
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