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SC1417B Datasheet(PDF) 6 Page - Semtech Corporation

Part No. SC1417B
Description  MicroPower, 620kHz PWM, Step-up DC/DC Converter
Download  11 Pages
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SC1417B Datasheet(HTML) 6 Page - Semtech Corporation

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


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