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A Family of Single -Switch ZVS-CV DC-to-DC Converters
Takerou MIZOGUCHI Tamotsu NINOMIYA Takashi OHGAI Masahito SHOYAMA
IEICE TRANSACTIONS on Communications
Publication Date: 1996/06/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Power Supply
zero-voltage switching, clamped voltage, dc-to-dc converter, resonant converter, commutation inductor,
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A family of single-switch ZVS-CV (Zero-voltage switchingclamped voltage) dc-to-dc converters is presented. This class of converter is realized by employing a commutation inductor circuit which is connected in parallel with either the transistor or the freewheeling diode in a conventional PWM converter. The technique described here is simple and output-voltage control is easy. The converters that comprise this family are derived form Buck, Boost, Buck/Boost, Cuk, Sepic and Zeta PWM converters. The steady-state characteristics of these converters such as the voltage conversion ratio, the ZVS conditions, and the input and output current ripples are analyzed. The analysis is confirmed by experiment.