SC1548 查看數據表（PDF） - Semtech Corporation
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SC1548 Datasheet PDF : 14 Pages
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SC1548
POWER MANAGEMENT
Typical Characteristics(1)
Quiescent Current vs.
Junction Temperature
1000
VIN = 12V, VEN = 3.3V
900
800
700
600
500
400
300
200
100
0
0
25
50
75
100
125
TJ (°C)
Enable Threshold Voltage
vs. Junction Temperature
2.30
2.25
2.20
VIN = 12V
VEN rising
2.15
2.10
2.05
2.00
1.95
1.90
1.85
1.80
0
25
50
75
100
125
TJ (°C)
Enable Pin Current vs.
150
VIN = 12V
VEN = 0V
125
Junction Temperature
100
75
50
25
0
0
25
50
75
100
125
TJ (°C)
Start Threshold vs.
Junction Temperature
9.0
8.5
8.0
7.5
7.0
6.5
6.0
0
25
50
75
100
125
TJ (°C)
Enable Hysteresis vs.
Junction Temperature
500
VIN = 12V
450 VEN falling
400
350
300
250
200
150
100
50
0
0
25
50
75
100
125
TJ (°C)
Enable Delay Time vs.
Junction Temperature
1000
VIN = 12V
900
800
700
600
500
400
300
200
100
0
0
25
50
75
100
125
TJ (°C)
2004 Semtech Corp.
6
www.semtech.com
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