431AC View Datasheet(PDF) - STMicroelectronics
Part Name
Description
View to exact match
431AC Datasheet PDF : 15 Pages
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TL431
Electrical characteristics
Figure 10. Reference voltage vs. temperature Figure 11. Reference voltage vs. cathode
current
2.54
2.52
2.50
V =V
KA
REF
I = 10 mA
K
2.48
2.46
2.44
-40 -20
0
20 40 60
Temperature (°C)
80 100
100
75
T =+25°C
AMB
50
25
0
-25
-50
-1
0
1
2
3
Cathode voltage V (V)
KA
Figure 12. Reference voltage vs. cathode
current
2
1
T = +25°C
AMB
0
-1
-2
-1
0
1
2
3
Cathode voltage V (V)
KA
Figure 13. Reference current vs. temperature
2.0
I =10 mA
K
1.5
R =10kΩ
1
R2= + ∝
1.0
0.5
0.0
−40 −20
0
20 40 60
Temperature °C
80 100
Figure 14. Off-state cathode current vs.
temperature
2.0
V = 36 V
KA
V = 0V
REF
1.5
1.0
Figure 15. Ratio of change in Vref to change in
VKA vs. temperature
0.0
-0.5
I = 10 mA
K
-1.0
0.5
-1.5
0.0
-40 -20
0
20 40 60
Temperature (°C)
80 100
-2.0
-40 -20
0
20 40 60
Temperature (°C)
80 100
7/15
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