SC431 查看數據表（PDF） - Semtech Corporation
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SC431 Datasheet PDF : 9 Pages
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SC431
POWER MANAGEMENT
Typical Characteristics
Cathode Current vs.
Cathode Voltage
300 VZ = VREF
200 TA = 25 oC
100
0
-100
-200
-300
-2
-1
0
1
2
3
VZ (V)
Reference Voltage vs.
Junction Temperature
2.515
2.510
VZ = VREF
IZ = 10mA
2.505
2.500
2.495
2.490
2.485
-50 -25
0
25
50
75 100 125 150
TJ (°C)
Ratio of Delta Reference Voltage to Delta Cathode
Voltage vs. Junction Temperature
0.5 IZ = 10mA
∆VZ = 3V to 30V
0.4
0.3
0.2
0.1
0
-50
-25
0
25
50
75
100 125 150
TJ (°C)
Cathode Current vs.
Cathode Voltage
150 VZ = VREF
100 TA = 25 oC
50
0
-50
-100
-150
-2
-1
0
1
2
3
VZ (V)
Reference Input Current vs.
Junction Temperature
100 IZ = 10mA
R1 = 10kΩ
80 R2 = ∞
60
40
20
0
-50 -25
0
25
50
75
100 125 150
TJ (°C)
Off-State Cathode Current
vs. Junction Temperature
100
VZ = 30V
VREF = 0V
10
1
0.1
0.01
0.001
-50 -25
0
25
50
75 100 125 150
TJ (°C)
2008 Semtech Corp.
6
www.semtech.com
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