Piezoelectric transformer converter with frequency control

Toshiyuki Zaitsu, Toshiyuki Shigehisa, Takeshi Inoue, Masahito Shoyama, Tamotsu Ninomiya

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

An efficient piezoelectric transformer (PT) converter with frequency control is presented. The optimum-designed reactance components are able to keep power efficiency high while controlling the output voltage for some load variation. An implemented PT converter with frequency control achieves higher efficiency than 75% at Vo = 5 V, Io = 0.5-2 A, and switching frequency of around 2 MHz. Furthermore, a means to improve the voltage control characteristic over a wide range is added.

Original languageEnglish
Pages (from-to)175-180
Number of pages6
JournalUnknown Journal
Publication statusPublished - 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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