Switching power supply for generating DC voltage by synchronous

Details Switching power supply for generating DC voltage by synchronous Switching power supply for generating DC voltage by synchronous

1999-12-14

2000-12-19

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363127, H02M 3335

Patent

active

061634670

ABSTRACT:
A switching power supply of a synchronous rectification type is provided. A transformer has at least a primary winding and a secondary winding. A main switching element switches input DC current via the primary winding. An auxiliary switching element is arranged on a side of the secondary winding for use in conducting commutation current. The auxiliary switching element is turned on after the main switching element is turned off. The main switching element is turned on immediately after release of exciting energy from the transformer is completed.

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patent: 5999420 (1999-12-01), Aonuma et al.
patent: 6002597 (1999-12-01), Rozman
patent: 6038148 (2000-03-01), Farrington et al.

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