Evaluation of synchronous-rectification efficiency improvement limits in forward converters
作者： M.M. Jovanovic , M.T. Zhang , F.C. Lee
DOI: 10.1109/41.402478
关键词:
摘要: Design trade-offs for different implementations of the forward power converter with synchronous rectifiers are presented, and effects rectifier driving method on conversion efficiency evaluated. Specifically, merits limitations RCD-clamp active-clamp reset approaches a self-driven discussed. Estimates upper limits improvements discussed rectification relative to Schottky diode implementation derived. Finally, experimental comparisons efficiencies an offline, 3.3 V/20 A stage presented compared theoretically estimated ones. >
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