TL431-W Datasheet, PDF (20/79 Pages) Texas Instruments – PRECISION PROGRAMMABLE REFERENCE

TL431, TL431A, TL431B
TL432, TL432A, TL432B
SLVS543M – AUGUST 2004 – REVISED JULY 2012
PARAMETER MEASUREMENT INFORMATION
Input
V_KA
I_KA
V_ref
Figure 4. Test Circuit for V_KA = V_ref
Input
R1
I_{r ef}
V_KA
I_KA
R2
V_ref
V_KA
= V_ref
æ
çè^{1 +}
R1
R2
ö
÷ø
+ I_ref
× R1
Figure 5. Test Circuit for V_KA > V_ref
Input
V_KA
I_off
Figure 6. Test Circuit for I_off
www.ti.com
20
Submit Documentation Feedback
Copyright © 2004–2012, Texas Instruments Incorporated
Product Folder Link(s): TL431 TL431A TL431B TL432 TL432A TL432B