TL431, TL431A, TL431B
TL432, TL432A, TL432B
SLVS543K –AUGUST 2004–REVISED JUNE 2010
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PARAMETER MEASUREMENT INFORMATION
Input
V
KA
I
KA
V
ref
Figure 1. Test Circuit for VKA = Vref
Input
R1
V
KA
I
KA
I
ref
R2
V
ref
R1
R2
æ
ö
V
KA
= V
ref ç
1 +
+ I × R1
ref
÷
è
ø
Figure 2. Test Circuit for VKA > Vref
Input
V
KA
I
off
Figure 3. Test Circuit for Ioff
20
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