SC1417BEVB データシートの表示（PDF） - Semtech Corporation
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SC1417BEVB Datasheet PDF : 11 Pages
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SC1417B
POWER MANAGEMENT
Typical Characteristics
Feedback Voltage
vs. Temperature
1.250
1.245
1.240
1.235
VIN = VEN = 2V
VCOMP = 600mV
LX floating
1.230
1.225
1.220
1.215
1.210
1.205
1.200
-50
-25
0
25
50
TA (°C)
75
100
Supply Current in PWM Mode
vs. Temperature
5.3
5.1
VIN = VEN = 2V
IOUT = 0A
4.9 VCOMP = 100mV
4.7
4.5
4.3
4.1
3.9
3.7
3.5
3.3
-50
-25
0
25
50
TA (°C)
75
100
Power Switch Voltage Drop
vs. Temperature
400
VIN = VEN = 2V
350
ILX = 500mA
300
250
200
150
100
50
0
-50
-25
0
25
50
TA (°C)
75
100
Supply Current in Shutdown
vs. Temperature
60
VIN = 2V
50
VEN = 0V
VLBI = 300mV
40
30
20
10
0
-50
-25
0
25
50
TA (°C)
75
100
Feedback Input Current
50
45
VIN = VEN = 2V
VFB = 1.22V
40
35
30
25
20
15
10
5
0
-50
-25
vs. Temperature
0
25
50
TA (°C)
75
100
Power Switch Current Limit
vs. Temperature
1.20
1.15
VIN = VEN = 2V
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
-50
-25
0
25
50
TA (°C)
75
100
2006 Semtech Corp.
6
www.semtech.com
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