Zero-voltage-switched quasi-resonant buck and flyback converters — Experimental results at 10 MHz1

@article{Tabisz1987ZerovoltageswitchedQB,
  title={Zero-voltage-switched quasi-resonant buck and flyback converters — Experimental results at 10 MHz1},
  author={W. A. Tabisz and P. Gradzki and F. C. Lee},
  journal={IEEE Power Electronics Specialists Conference},
  year={1987},
  pages={404-413}
}
Experimental results of buck and flyback zero-voltage-switched quasi-resonant converters (ZVS-QRCs) operating above 5 MHz are presented. A design procedure is presented that minimizes voltage stress to the transistor while maintaining zero-voltage-switching for all loads. A novel, quasi-resonant gate drive scheme is proposed and implemented in a buck converter. The drive is simple and provides high switching speed. Power dissipation in the gate drive is substantially reduced due to the quasi… CONTINUE READING
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