SC1401 Semtech Corporation, SC1401 Datasheet - Page 6

• Manufacturer Part Number: SC1401
• Description: HIGH PERFORMANCE SYNCHRONOUS BUCK CONTROLLER WITH LDO FOR PORTABLE POWER
• Manufacturer: Semtech Corporation

November 21, 2000
© 2000 SEMTECH CORP.
100.00%
95.00%
90.00%
85.00%
80.00%
75.00%
70.00%
65.00%
2.250
2.245
2.240
2.235
2.230
2.225
2.220
2.215
LOAD REGULATION, Vo = 2.2V (SMPS), Vin = 12V
2.27
2.26
2.25
2.24
2.23
2.22
2.21
6.0
0.1
0.5
EFFICIENCY vs LOAD CURRENT
1.0
HIGH PERFORMANCE SYNCHRONOUS BUCK
CONTROLLER WITH LDO FOR PORTABLE
POWER
9.0
1.0
LINE REGULATION (SMPS)
LOAD CURRENT (A)
2.0
Io = 7.0A, Vo = 2.2V
12.0
2.0
LOAD CURRENT (A)
INPUT VOLTAGE (V)
3.0
3.0
15.0
4.0
4.0
652 MITCHELL ROAD
18.0
5.0
5.0
21.0
6.0
6.0
24.0
7.0
7.0
27.0
VIN = 6V
VIN = 10V
VIN = 14V
VIN = 18V
VIN = 22V
NEWBURY PARK CA 91320
30.0
SC1401
6