NCV431A Просмотр технического описания (PDF) - ON Semiconductor
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NCV431A Datasheet PDF : 18 Pages
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TL431A, B Series, NCV431A, B Series, SCV431A
Input
IK
VKA
Vref
Figure 1. Test Circuit for VKA = Vref
Input
VKA
IK
R1 Iref
Input
VKA
Ioff
R2
ǒ Ǔ VKA + Vref 1 ) RR12 ) Iref S R1
Vref
Figure 2. Test Circuit for VKA > Vref
Figure 3. Test Circuit for Ioff
150
VKA = Vref
TA = 25°C
100 Input
VKA
IK
50
0
-50
-100
-2.0
-1.0
0
1.0
2.0
3.0
VKA, CATHODE VOLTAGE (V)
Figure 4. Cathode Current versus
Cathode Voltage
800
VKA = Vref
TA = 25°C
600 Input
IKVKA
IMin
400
200
0
-20-01.0
0
1.0
2.0
3.0
VKA, CATHODE VOLTAGE (V)
Figure 5. Cathode Current versus
Cathode Voltage
2600
Input
2580
2560 Vref
2540
VKA
IK VKA = Vref
IK = 10 mA
Vref Max = 2550 mV
2520
2500
Vref Typ = 2495 mV
2480
2460
2440
Vref Min = 2440 mV
2420
2400
-55
-25
0
25
50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 6. Reference Input Voltage versus
Ambient Temperature
3.0
2.5
2.0
1.5
IK = 10 mA
1.0 Input
10k Iref
VKA
IK
0.5
0-55
-25
0
25 50
75 100 125
TA, AMBIENT TEMPERATURE (°C)
Figure 7. Reference Input Current versus
Ambient Temperature
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