SC1101 Datasheet, PDF (4/8 Pages) Semtech Corporation – VOLTAGE MODE PWM CONTROLLER

VOLTAGE MODE PWM CONTROLLER
SC1101
February 29, 2000
40
35
30
25
20
15
10
5
0
-5
-10
100.0E+0
1.0E+3
Gain
Phase
10.0E+3 100.0E+3
Frequency (Hz)
1.0E+6
180
135
90
45
0
-45
10.0E+6
Fig.1: Error Amplifier, Gain and Phase
Fig.3: Ripple; Vo=2.90V; Io=10A
0.05
0.04
0.03
0.02
0.01
0
-0.01
-0.02
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
Output Current (Amps)
Fig.2: Load Regulation Characteristic
100%
95%
90%
85%
80%
75%
70%
0.0
3.50V Set
3.00V Set
2.40V Set
2.00V Set
2.0
4.0
6.0
8.0
10.0
12.0
14.0
Output Current (Amps)
Fig.4: Efficiency
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