TL1431_08 Datasheet, PDF (6/16 Pages) Texas Instruments – PRECISION PROGRAMMABLE REFERENCE

Electrical characteristics
TL1431
Figure 4.
Input
Test circuit for V_KA = V_REF
Figure 5.
Input
Test circuit for V_KA = V_REF
R
Output
R
Output
I_K=10mA
R1
I_REF
I_K
V_KA
V_REF
V_KA
R2
V_REF
( ) V_KA = V_REF
1 + ^R-----1--
R2
+ R1 x I_REF
Figure 6. Test circuit for I_OFF
V_KA=36V
I_OFF
Figure 7. Test circuit for phase margin and
voltage gain
10μF
10μF
I_K=10mA
Input
V_REF
Figure 8. Test circuit for response time
1 mA
0 mA
I_K=1mA
Figure 9. Reference voltage vs. temperature
2.500
2.498
2.496
2.494
2.492
2.490
2.488
I =10 mA
K
V =V =2.5 V
KA REF
See figure 1
2.486
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
6/16