SC1566 查看數據表（PDF） - Semtech Corporation
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SC1566 Datasheet PDF : 12 Pages
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SC1566
POWER MANAGEMENT
Typical Characteristics
Dropout Voltage vs. Output Current
500
450
400
350
300
250
200
150
100
50
0
0.0
vs. Junction Temperature
0.5
1.0
1.5
2.0
2.5
IO (A)
150°C
25°C
0°C
-40°C
3.0
3.5
Output Voltage (2.5V) vs. Junction
Temperature vs. Output Current
2.550 VIN = 3.2V
2.540
2.530
2.520
2.510
2.500
IO = 10mA
2.490
2.480
IO = 3A
2.470
2.460
2.450
-50 -25
0
25
50
75
100 125 150
TJ (°C)
Reference Voltage vs. Junction
Temperature vs. Output Current
1.225
VIN = 2.2V
1.220
1.215
1.210
1.205
1.200
IO = 10mA
1.195
1.190
IO = 3A
1.185
1.180
1.175
-50 -25
0
25
50
75 100 125 150
TJ (°C)
Dropout Voltage vs. Junction
500
450
400
350
300
250
200
150
100
50
0
-50
Temperature vs. Output Current
IO = 3A
IO = 1.5A
IO = 0.5A
-25
0
25
50
75
100 125 150
TJ (°C)
Output Voltage (2.5V) vs. Junction
Temperature vs. Output Current
2.550
VIN = 5.5V
2.540
2.530
2.520
2.510
2.500
IO = 10mA
2.490
2.480
IO = 3A
2.470
2.460
2.450
-50 -25
0
25
50
75
100 125 150
TJ (°C)
Reference Voltage vs. Junction
Temperature vs. Output Current
1.225
VIN = 5.5V
1.220
1.215
1.210
1.205
1.200
IO = 3A
1.195
1.190
IO = 10mA
1.185
1.180
1.175
-50 -25
0
25
50
75 100 125 150
TJ (°C)
2005 Semtech Corp.
6
www.semtech.com
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