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SC2603 Datasheet(PDF) 10 Page - Semtech Corporation

Part # SC2603
Description  Simple PWM Boost Controller
PDF  11 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2603 Datasheet(HTML) 10 Page - Semtech Corporation

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© 2005 Semtech Corp.
www.semtech.com
SC2603
POWER MANAGEMENT
Typical Characteristics
Reference Voltage vs Temperature
Oscillator Frequency vs Temperature
UVLO Threshold vs Temperature
1.22
1.225
1.23
1.235
1.24
1.245
1.25
1.255
1.26
-50
-25
0
25
50
75
100
125
150
TEMPERATURE (
oC)
1 8 0
1 8 5
1 9 0
1 9 5
2 0 0
2 0 5
2 1 0
-5 0
-2 5
0
2 5
5 0
7 5
1 0 0
1 2 5
1 5 0
T E M P E R A T U R E (OC )
4 . 0 5
4 . 0 8
4 . 1 0
4 . 1 3
4 . 1 5
4 . 1 8
4 . 2 0
4 . 2 3
4 . 2 5
4 . 2 8
4 . 3 0
-5 0
-2 5
0
2 5
5 0
7 5
1 0 0
1 2 5
1 5 0
T E M P E R A T U R E (O C )
UVLO Hysteresis vs Temperature
0 .1 5
0 .2
0 .2 5
0 .3
0 .3 5
0 .4
0 .4 5
0 .5
0 .5 5
-5 0
0
5 0
1 0 0
1 5 0
T E M P E R A T U R E (OC )
Current Limit Threshold vs Temperature
68
69
70
71
72
73
74
75
-50
-25
0
25
50
75
100
125
150
TEMPERATURE (OC)
VIN=12V
VIN=5V



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