PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
SC1182/3
August 25, 1998
95%
90%
85%
80%
95%
90%
85%
80%
2.8V Std
3.5V Std
2.8V Sync
3.5V Sync
2.8V Sync Lo Rds
75%
3.5V Sync Lo Rds
75%
70%
70%
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
Io (Amps)
Io (Amps)
Typical Efficiency at Vo=3.5V
Typical Efficiency at Vo=2.8V
95%
95%
90%
85%
80%
90%
85%
80%
2.0V Std
2.5V Std
2.0V Sync
2.5V Sync
2.0V Sync Lo Rds
75%
2.5V Sync Lo Rds
75%
70%
70%
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
Io (Amps)
Io (Amps)
Typical Efficiency at Vo=2.5V
Typical Efficiency at Vo=2.0V
Typical Ripple, Vo=2.8V, Io=10A
© 1998 SEMTECH CORP.
Transient Response Vo=2.8V, Io=300mA to 10A
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652 MITCHELL ROAD NEWBURY PARK CA 91320
SEMTECH [ SEMTECH CORPORATION ]
