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Analysis of Coupled Inductors for Low-Ripple Fast-Response Buck Converter

Santhos A. WIBOWO, Zhang TING, Masashi KONO, Tetsuya TAURA, Yasunori KOBORI, Ken-ichi ONDA, Haruo KOBAYASHI

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Summary :

This letter presents an analysis of characteristics of multiphase buck converters with coupled inductors. We derive equivalent inductances that provide both low per-phase steady-state ripple current and fast transient response. The characteristics of coupled-inductor circuits--low per-phase ripple current and fast response--were examined and verified by circuit simulation and experiments.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E92-A No.2 pp.451-455
Publication Date
2009/02/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E92.A.451
Type of Manuscript
Special Section LETTER (Special Section on Analog Circuit Techniques and Related Topics)
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