TL1431-EP_15 Datasheet, PDF (8/23 Pages) Texas Instruments – TL1431-EP Precision-Programmable Reference

TL1431-EP
SLVS529D – APRIL 2004 – REVISED JANUARY 2015
8 Parameter Measurement Information
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Input
V_KA
I_KA
V_I(ref)
Figure 8. Test Circuit for V_(KA) = V_ref
Input
Input
R1
I_I(ref)
V_KA
I_KA
R2 V_I(ref)
( ) ^VKA = ^VI(ref)
1+
R1
R2
+ II(ref) × R1
Figure 9. Test Circuit for V_(KA) > V_ref
V_KA
I_off
Figure 10. Test Circuit for I_off
6
19.1 V
5
1 kW
4
910 W
2000 mF
V CC
3
500 mF
V CC
2
TL1431
(DUT)
1
820 W
TLE2027
+ ^{AV = 10 V/mV}
1 mF
0
−
16 W
16 W
+ TLE2027
16 W
−
-1
1 mF
2.2 mF
160 kW
33 kW
-2
0.1 mF
AV = 2 V/V
CRO 1 MW
-3
33 kW
-4
V EE
V EE
-5
-6
0
2
4
6
8
10
Time (s)
D008
Figure 11. Equivalent Input-Noise Voltage Over a Figure 12. Test Circuit for 0.1- to 10-Hz Equivalent
10-s Period
Input-Noise Voltage
8
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