High Frequency Resonant SEPIC Converter with （高频谐振SEPIC转换器）.pdf

High Frequency Resonant SEPIC Converter with Wide Input and Output Voltage Ranges † † † § † ‡ † Jingying Hu , Anthony D. Sagneri , Juan M. Rivas , Yehui Han , Seth M. Davis , David J. Perreault †LABORATORY FOR ELECTROMAGNETIC AND ELECTRONIC SYSTEMS MASSACHUSETTS INSTITUTE OF TECHNOLOGY, ROOM 10–171 CAMBRIDGE , MASSACHUSETTS 02139 EMAIL : jyh@mit.edu ‡CHARLES STARK DRAPER LABORATORY 555 TECHNOLOGY SQUARE CAMBRIDGE , MA 02139 §GE GLOBAL RESEARCH 1 RESEARCH CIRCLE NISKAYUNA , NY 12309 Abstract—This document presents a resonant SEPIC converter we exploit the use of resonant switching and gating along with and control method suitable for high frequency (HF) and very fixed frequency control techniques to achieve these goals. high frequency (VHF) dc-dc power conversion. The proposed de- This paper introduces a quasi-resonant SEPIC converter, sign features high efficiency over a wide input and output voltage range, up-and-down voltage conversion, small size, and excellent resonant gate drive and associated control methods suitable for transient performance. In addition, a resonant gate drive scheme converter designs at frequencies above 10 MHz. Unlike many is presented which provides rapid startup and low-loss at HF resonant converter designs [1]–[4],