TL431B Datasheet, PDF (15/40 Pages) Texas Instruments – ADJUSTABLE PRECISION SHUNT REGULATORS

TL431, TL431A, TL431B, TL432, TL432A, TL432B
ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS543A – AUGUST 2004 − REVISED AUGUST 2004
PARAMETER MEASUREMENT INFORMATION
Input
VKA
IKA
Vref
Figure 2. Test Circuit for V_KA = V_ref
Input
R1 _Iref
R2 _Vref
VKA
IKA
ǒ Ǔ V_KA + V_ref
1
)
R1
R2
) I_ref
R1
Figure 3. Test Circuit for V_KA > V_ref
Input
VKA
Ioff
Figure 4. Test Circuit for I_off
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