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

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

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...

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Veröffentlicht in:IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Communications and Computer Sciences, 2009/02/01, Vol.E92.A(2), pp.451-455
Hauptverfasser: WIBOWO, Santhos A., TING, Zhang, KONO, Masashi, TAURA, Tetsuya, KOBORI, Yasunori, ONDA, Ken-ichi, KOBAYASHI, Haruo
Format: Artikel
Sprache:eng
Schlagworte:
buck converter
Buck converters
Circuits
Computer simulation
coupled inductor
DC-DC converter
Electronics
Equivalence
Inductors
multiphase
Ripples
Transient responses
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Zusammenfassung: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.
ISSN:0916-8508
1745-1337
1745-1337
DOI:10.1587/transfun.E92.A.451