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PSPICE simulations and 3D-PCB transformers for ZVS full bridge converters

par Wyns, Alain ;Bogaerts, Daniel;Van Eck, Jean-Louis ;Mathys, Pierre
Référence IEE Conference Publication, 3, 377, page (208-215)
Publication Publié, 1993

Article révisé par les pairs

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Résumé :

This paper presents a compact 800 W ZVS full bridge converter (500 kHz) designed by using advanced simulation techniques on PSPICE and an innovative low-leakage toroidal power transformer. The use of SPICE models for power MOSFETs and power diodes has made it easier to design the fixed-frequency, quasi-resonant, phase-shift, full bridge topology finally selected. This new and very compact power supply uses a combination of advanced circuit design and technological breakthroughs. The use of SMDs and multi-layer ceramic capacitors reduces space and increases circuit reliability. The low-leakage toroidal transformer is realized by using a patented three-dimensional printed-circuit board technique which is revolutionary. The converter is currently in production.