A single-switch continuous-conduction-mode boost converter with reduced reverse-recovery and switching losses
Dylan Dah-Chuan Lu
Cheng, D.K.-W.
Yim-Shu Lee
Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Kowloon, China;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Aug. 2003
Volume: 50,
Issue: 4
On page(s): 767- 776
ISSN: 0278-0046
INSPEC Accession Number: 7708557
Digital Object Identifier: 10.1109/TIE.2003.814989
Current Version Published: 2003-07-28
Abstract
A single-switch continuous-conduction-mode boost converter with reduced reverse-recovery and switching losses is proposed. By utilizing the leakage inductances of a pair of coupled inductors and two additional rectifiers, the turn-off rates (di/dt) of the boost output rectifier and the additional rectifiers are slowed down to reduce the reverse-recovery loss. The boost power transistor is also operated under a low-voltage turn-on condition to reduce the switching loss. Experimental results are presented to confirm the theoretical analysis and the performance of the proposed converter.
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