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Title: A Novel Soft-Switching Synchronous Buck Converter for Portable Applications
Authors: Panda, Anup Kumar
Pattnaik, S
Mahapatra, K K
Issue Date: 2008
Publisher: Hindawi
Citation: International Journal of Power Management Electronics, Vol 2008
Abstract: This paper proposes a zero-voltage-transition (ZVT) pulse-width-modulated (PWM) synchronous buck converter, which is designed to operate at low voltage and high efficiency typically required for portable systems. A new passive auxiliary circuit that allows the main switch to operate with zero-voltage switching has been incorporated in the conventional PWM synchronous buck converter. The operation principles and a detailed steady-state analysis of the ZVT-PWM synchronous converter implemented with the auxiliary circuit are presented. Besides, the main switch and all of the semiconductor devices operate under soft-switching conditions. Thus, the auxiliary circuit provides a larger overall efficiency. The feasibility of the auxiliary circuit is confirmed by simulation and experimental results.
Description: Copyright for the paper belongs to Hindawi
Appears in Collections:Journal Articles

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