96W Apple USB-C PowerAdapter は負荷が40W以下の場合はActivePFCを迂回して消費電力を抑え、40Wを超えた場合に位相が若干進みますが力率0.99の高力率ActivePFCが稼働します。この動画は、その様子を撮影したものです。安物USBオシロスコープ+安物クランププローブで測定した為、荒い映像ですがご了承ください。
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