SC1101(2000) Просмотр технического описания (PDF) - Semtech Corporation

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SC1101
(Rev.:2000)

VOLTAGE MODE PWM CONTROLLER

Semtech Corporation 

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

© 2000 SEMTECH CORP.

4

652 MITCHELL ROAD NEWBURY PARK CA 91320

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