SC1152

PROGRAMMABLE SYNCHRONOUS DC/DC

CONTROLLER FOR ADVANCED PROCESSORS

© 1998 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

April 28, 1998

6

3.00 Volts

70.0%

75.0%

80.0%

85.0%

90.0%

95.0%

0.000

2.000

4.000

6.000

8.000

10.000

12.000

14.000

16.000

Output Current (Amps)

Efficiency

1.80 Volts

2.00 Volts

2.50 Volts

3.50 Volts

CHARACTERISTIC CURVES

SC1152 Efficiency in Application Circuit (Figure 1).

SC1152 Regulation in Application Circuit (Figure 1).

Delta 3.5

Delta 1.8

-0.025

-0.020

-0.015

-0.010

-0.005

0.000

0.000

2.000

4.000

6.000

8.000

10.000

12.000

14.000

16.000

Output Current (Amps)

∆

Vout (V)

Delta 2.0

Delta 2.5

Delta 3.0