A VHF Interleaved Self-Oscillating Resonant SEPIC Converter with Phase-Shift Burst-Mode Control

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    Abstract

    This paper presents design and implementation of the phase-shift burst-mode control method for interleaved selfoscillating resonant SEPIC converters for LED lighting applications. The proposed control method utilizes delays in the turn-on and turn-off of the power stage and control circuitry in order to reduce requirements for the comparator in the regulation circuit. The control method is experimentally evaluated on a 49 MHz dc-dc converter prototype, and the results are presented. The designed converter demonstrates peak efficiency of 81%,
    maintains efficiency above 75% from 20% load to full load, and is implemented using low-cost switches and integrated circuits.
    Original languageEnglish
    Title of host publicationProceedings of Twenty-Ninth Annual IEEE Applied Power Electronics Conference and Exposition
    PublisherIEEE
    Publication date2014
    Pages1402-1408
    ISBN (Print)978-1-4799-2325-0
    DOIs
    Publication statusPublished - 2014
    Event2014 IEEE Applied Power Electronics Conference and Exposition - Fort Worth Convention Center , Fort Worth, United States
    Duration: 16 Mar 201420 Mar 2014
    Conference number: 29
    https://apec-conf.org/uploads/documents/APEC2014pocketv1feb15.pdf

    Conference

    Conference2014 IEEE Applied Power Electronics Conference and Exposition
    Number29
    LocationFort Worth Convention Center
    Country/TerritoryUnited States
    CityFort Worth
    Period16/03/201420/03/2014
    Internet address

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