In modern aircraft, High power step-down converters from 270V to 28V are in high demand. Matrix transformers used in these converters are desirable but challenging due to the special ratio. In this work, a matrix transformer used in 270/28V LLC converters is demonstrated, which leverages the well-established benefit in high output current conditions. To minimize the termination loss, the transformer used a 4-layer PCB structure with two layers for secondary-side winding and another two layers for primary-side planar-Litz winding. PCB stack-up and winding structure are discussed in order to equalize each secondary side output. A prototype of 270/28V LLC converter for aircraft application is built to verify the proposed design.


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    Titel :

    High-Frequency Integrated Magnetics Design for Onboard LLC Converter Utilizing 4-Layer PCB


    Beteiligte:
    Shao, Mingrui (Autor:in) / Chen, Xiliang (Autor:in) / Wu, Xuanlyu (Autor:in) / Zhao, Xin (Autor:in) / Wang, Bei (Autor:in) / Wu, Xiaohua (Autor:in)


    Erscheinungsdatum :

    28.10.2022


    Format / Umfang :

    1630793 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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