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High Efficiency "Green" Computer Systems
SMPS Post-Regulator
Power PC Supplies
Powering VGA & Sound Card
10.2.4. Absolute Maximum Ratings
10.2.5. Pinning
10.3. MP1593
10.3.1. General Description
The MP1593 is a step-down regulator with an internal Power MOSFET. It achieves 3A
continuous output current over a wide input supply range with excellent load and line
regulation. Current mode operation provides fast transient response and eases loop
stabilisation. Fault condition protection includes cycle-by-cycle current limiting and
thermal shutdown. Adjustable soft-start reduces the stress on the input source at turn-
on. In shutdown mode the regulator draws 20μA of supply current. The MP1593
requires a minimum number of readily available external components to complete a 3A
step down DC to DC converter solution.
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