ZERO-VOLTAGE SWITCHING IN A CONSTANT FREQUENCY DIGITALLY CONTROLLED RESONANT DC-DC POWER CONVERTER.

J. G. Hayes, N. Mohan, C. P. Henze

Research output: Contribution to conferencePaperpeer-review

10 Scopus citations

Abstract

A series-resonant DC-DC converter operating at a constant frequency above its resonant frequency is analyzed and experimentally tested. Using a state-plane analysis, the range of load for a given set of circuit parameters over which zero-voltage zero-current turn-on and zero-voltage turn-off (using lossless capacitive snubbers) are calculated and verified on a test circuit. A digital controller, designed previously for a quantized duty-ratio control in PWM DC-DC converters and now available in a gate array, is used to implement the constant-frequency control of the output voltage.

Original languageEnglish (US)
Pages360-367
Number of pages8
StatePublished - 1988

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