SC1401 Просмотр технического описания (PDF) - Semtech Corporation

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SC1401

HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER WITH LDO FOR PORTABLE POWER

Semtech Corporation 

November 21, 2000

HIGH PERFORMANCE SYNCHRONOUS BUCK

CONTROLLER WITH LDO FOR PORTABLE

SC1401

POWER

LINE REGULATION (SMPS)

Io = 7.0A, Vo = 2.2V

2.27

2.26

2.25

2.24

2.23

2.22

2.21

6.0 9.0 12.0 15.0 18.0 21.0 24.0 27.0 30.0

INPUT VOLTAGE (V)

LOAD REGULATION, Vo = 2.2V (SMPS), Vin = 12V

2.250

2.245

2.240

2.235

2.230

2.225

2.220

2.215

0.5 1.0 2.0 3.0 4.0 5.0 6.0 7.0

LOAD CURRENT (A)

EFFICIENCY vs LOAD CURRENT

100.00%

95.00%

90.00%

85.00%

80.00%

75.00%

70.00%

65.00%

0.1 1.0 2.0 3.0 4.0 5.0 6.0 7.0

LOAD CURRENT (A)

VIN = 6V

VIN = 10V

VIN = 14V

VIN = 18V

VIN = 22V

© 2000 SEMTECH CORP.

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652 MITCHELL ROAD NEWBURY PARK CA 91320

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