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Piezoelectric Transformer Converter with PWM Control

Toshiyuki ZAITSU, Tamotsu NINOMIYA, Masahito SHOYAMA

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Summary :

A piezoelectric transformer (PT) converter with PWM control is presented. The combination of an active-clamp circuit and a resonant circuit makes it possible to control the output voltage of the PT converter with PWM at a constant switching frequency. The PT converter circuit is evaluated using an AC analysis, and a design procedure is presented. The PT converter implemented on a printed circuit board is experimentally evaluated and a good controllability is successfully achieved.

Publication
IEICE TRANSACTIONS on Communications Vol.E80-B No.7 pp.1035-1044
Publication Date
1997/07/25
Publicized
Online ISSN
DOI
Type of Manuscript
Category
Power Supply

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