NCP431ACLPRAG Просмотр технического описания (PDF) - ON Semiconductor
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NCP431ACLPRAG Datasheet PDF : 20 Pages
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NCP431A, SC431A, NCP431B, SC431B, NCP432B, SC432B Series
2540
Input
2530
2520
Vref
2510
VKA
IK
VKA = Vref
IK = 1 mA
2500
2490
2480
2470
2460
−50 −25 0
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 9. Reference Input Voltage versus
Ambient temperature
120
110
100
90
Input IK = 1 mA VKA
220k
IK
Iref
80
70
60
50
40
−50 −25 0
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 10. Reference Input Current versus
Ambient temperature
0
−10
−20
Input
R1
R2 Vref
VKA
IK
100
Input
VKA = 36V
Vref = 0V
VKA
Ioff
10
−30
VKA = Vref
IK = 1 mA
−40
0
10
20
30
40
VKA, CATHODE VOLTAGE (V)
Figure 11. Change in Reference Input Voltage
versus Cathode Voltage
1
−50 −25 0
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 12. Off−State Cathode Current versus
Ambient Temperature
10
1.0 k
Output
IK
50
GND
0.320
0.300
0.280
1
DIK = 1 mA to 100 mA
TA = 25°C
0.1
0.001
0.01
0.1
1
10
100
f, FREQUENCY (MHz)
Figure 13. Dynamic Impedance versus
Frequency
0.260
0.240
0.220
VKA = V ref
DIK = 1.0 mA to 100mA
f<1.0 kHz
1. 0k
50
Output
IK
GND
0.200
−50 −25 0
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 14. Dynamic Impedance versus Ambient
Temperature
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