Power-one Limited

Ram Ramabhadran

David Williams

Donald Richard Caron

There is disclosed a power conversion circuit comprising a transformer having a primary side driven by an input section and a secondary side connected to first and second self-driven synchronous rectifiers. A shutdown section includes a control section adapted to detect a predetermined condition and means for shorting a winding of the transformer upon detection of the predetermined condition.

Self driven synchronous rectifier shutdown circuit and method

There is disclosed a power conversion circuit including self synchronous rectifiers and a rapid shutdown section. When power is removed from the power conversion circuit, the rapid shutdown section prevents self oscillation of the self synchronous rectifiers. As a result, power is not drawn from the output and dissipated in the power conversion circuit.

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Waltham, MA, United States of America

Ram Ramabhadran