Datasheet

Electrical characteristics TL431, TL432
8/21 Doc ID 4467 Rev 11
Figure 7. Test circuit for V
KA
= V
ref
Figure 8. Test circuit for programming mode
Input
V
KA
V
REF
I
K
=10mA
Output
R
V
KA
= V
REF
+ R1 x I
REF
1
R1
R2
-------+()
Input
V
KA
V
REF
I
K
R1
R2
I
REF
R
Output
Figure 9. Test circuit for I
off
Figure 10. Test circuit for phase margin and
voltage gain
V
KA
=36V
I
OFF
Input
V
REF
I
K
=10mA
Output
10μF
10μF
15kΩ 8.25kΩ
Figure 11. Test circuit for response time Figure 12. Reference voltage vs. temperature
I
K
=1mA
Output
0 mA
1 mA
-40 -20 0 20 40 60 80 100 120
2.44
2.46
2.48
2.50
2.52
2.54
V
KA
= V
REF
I
K
= 10 mA
Cathode voltage V
KA
(V)
Temperature (°C)