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SC2603 Datasheet(PDF) 9 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) 9 Page - Semtech Corporation

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© 2005 Semtech Corp.
www.semtech.com
SC2603
POWER MANAGEMENT
Error Amplifier: Gain and Phase
Typical Characteristics
Load Regulation (V
IN = 12V, VO = 25V)
Line Regulation (V
O = 25V, IO = 1A)
Efficiency (V
IN = 12V, VO = 25V)
OCP (V
IN = 12V, VO = 25V)
-10
-5
0
5
10
15
20
25
30
35
40
100.0E+0
1.0E+3
10.0E+3
100.0E+3
1.0E+6
10.0E+6
Frequency (Hz)
-45
0
45
90
135
180
Gain
Phase
23.000
23.500
24.000
24.500
25.000
25.500
26.000
4
6
8
10
12
14
16
Input V oltage - (V )
23
23.5
24
24.5
25
25.5
26
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
Output Current - (A)
80
82
84
86
88
90
92
94
96
98
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
Output Current - (A)
24.2
24.4
24.6
24.8
25
25.2
25.4
25.6
0
0.5
1
1.5
2
2.5
3
Output Current - (A)
Frequency Shift (V
FB
vs. F
SW)



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