Planar Inductors Using NiZn Ferrite Thin Plates and the Application to High-Frequency DC-DC Converters

I. Sasada, T. Yamaguchi, K. Harada, Y. Notohara

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

Planar inductors of new structure are developed for miniaturized dc-dc converters. A thin air gap is introduced into the sandwich-structured planar inductors between a pair of magnetic plates, in one of which a meander coil is embedded. Due to the thin air gap introduced, the flux density in the magnetic plates becomes uniform, resulting in low iron loss. Planar inductors using NiZn ferrite thin plates were successfully applied to a 10 W-class buck converter operated at 2 MHz. The efficiency was higher than 82% and the effective volume of the inductor was 0.2 cm3(1 cm square and 2 mm thick).

本文言語英語
ページ(範囲)3231-3233
ページ数3
ジャーナルIEEE Transactions on Magnetics
29
6
DOI
出版ステータス出版済み - 11 1993

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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