TL1431
Figure 9.
2.500
2.498
2.496
2.494
2.492
2.490
2.488
2.486
-40
Electrical Characteristics
Reference voltage vs. temp.
Figure 10. Reference voltage vs. cathode current
3
Reference voltage (V)
Reference voltage (V)
2
1
V
KA
=V
REF
See figure 1
I
K
=10 mA
V
KA
=V
REF
=2.5 V
See figure 1
0
-1
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
Temperature (°C)
Cathode current (mA)
Figure 11. Reference voltage vs. cathode current Figure 12. Reference current vs. temp.
3.0
2.5
1.5
2.0
1.5
1.0
0.5
0.5
0.0
0.0
0.0
-40
I
REF
(µA)
2.0
Reference voltage (V)
V
KA
=V
REF
See figure 1
1.0
I
K
=10 mA
V
KA
=V
REF
See figure 1
0.2
0.4
0.6
0.8
1.0
-20
0
20
40
60
80
100
120
Cathode current (mA)
Temperature (°C)
Figure 13. Off-state cathode current vs. temp.
Figure 14. Ratio of change in V
REF
to change in
V
KA
vs. temp.
0.0
0.10
∆
V
REF
/
∆
V
KA
(mV / V)
0.08
V
KA
= 36V
See figure 3
-0.5
I
K
=10 mA
V
KA
=V
REF
See figure 2
I
OFF
(µA)
0.06
-1.0
0.04
0.02
-1.5
0.00
-40
-20
0
20
40
60
80
100
120
-2.0
-40
-20
0
20
40
60
80
100
120
Temperature(°C)
Temperature (°C)
7/13
STMICROELECTRONICS [ STMICROELECTRONICS ]
