PRELIMINARY - December 2, 1999
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
SC1186
96%
92%
88%
84%
80%
Vo=2.8V
Vo=2.0V
Vo=2.5V
76%
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
Io (Amps)
Typical Efficiency (Switching section)
Typical Ripple, Vo=2.0V, Io=10A
Output Voltage
Output Current
5A/div
Transient Response Vo=2.4V, Io=300mA to 15A
2.5V Linear Short circuit output response
© 1999 SEMTECH CORP.
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