IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
A new boost dc-dc converter of high efficiency by using a partial resonant circuit
Dong-Kurl Kwak
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2009 Volume 6 Issue 12 Pages 844-850

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Abstract

This paper presents a new boost dc-dc converter with high efficiency by using a partial resonant circuit. The switching devices in the proposed converter are operated by a soft-switching technique (ZCS; zero current switching, or ZVS; zero voltage switching) of a new partial resonant circuit. The partial resonant circuit makes use of a step-up inductor and a loss-less snubber capacitor. The switching control technique is simplified for the switches to drive in constant switching frequency with PWM (pulse width modulation). The results are that the switching power loss is very low and the system efficiency is high.

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© 2009 by The Institute of Electronics, Information and Communication Engineers
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