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431IY View Datasheet(PDF) - STMicroelectronics

Part Name
Description
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431IY
ST-Microelectronics
STMicroelectronics ST-Microelectronics
431IY Datasheet PDF : 15 Pages
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Electrical characteristics
TL431
Figure 16. Static impedance RKA vs.
temperature
Figure 17. Minimum operating current vs.
temperature
0.30
0.28
0.26
0.24
V =V
KA REF
T =+25°C
AMB
0.22
0.20
-40 -20
0
20 40 60
Temperature (°C)
80 100
0.6
0.4
0.2
V =V
KA
REF
0.0
-40 -20
0
20 40 60
Temperature (°C)
80 100
Figure 18. Gain and phase vs. frequency
60
40
20
0
-20
-40
1
Phase
10
Gain
200
I =10 mA
K
150
See figure 4
100
50
0
-50
-100
-150
100
1000
Frequency (kHz)
-200
10000
Figure 19. Stability behavior with capacitive
loads
100
V =V
KA REF
80
V =5 V
KA
Instable
60
Area
40
V =12 V
KA
20
V =24 V
KA
0
1E-10
1E-9
1E-8
1E-7
1E-6
Capacitive load (Farad)
1E-5
Figure 20. Maximum power dissipation
100
80
60
40
Safe
Area
20
SO8
Batwing
T = +25°C
AMB
TO92
0
10
20
30
Cathode voltage (V)
Figure 21. Pulse response for Ik = 1 mA
6
Input
4
Output
2
V =V
KA REF
T =+25°C
AMB
0
0
2
4
6
8
10
Time (μs)
8/15
 

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