Glossary Definition for Synchronous Rectification

Glossary Term: Synchronous Rectification 

Definition

In switch-mode power supplies, the "steering" diode is replaced or paralleled with a FET switch to reduce losses and thereby increase efficiency. The FET is off during the inductor charge cycle, and then turned on as the inductor discharges into the load.
Synonyms
  • Synchronous Rectifier

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