Test Circuits
Input
VKA
IKA
VREF
AP432/AP432A
ADJUSTABLE PRECISION SHUNT REGULATOR
IN
IKA
VKA
R1
IREF
R2
VREF
IN
VKA
IZ(OFF)
Fig 1. Test Circuit for VKA= VREF
Note:VKA=VREF(1+R1/R2)+IREFxR1
Fig 2. Test Circuit for VKA > VREF Fig 3. Test Circuit for Off-State Current
Typical Performance Characteristics
AP432/AP432A
Document number: DS31003 Rev. 16 - 2
5 of 14
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