GaN Active-Clamp Flyback Converter with Resonant Operation Over a Wide Input Voltage Range
Konferenz: PCIM Europe 2016 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
10.05.2016 - 12.05.2016 in Nürnberg, Deutschland
Tagungsband: PCIM Europe 2016
Seiten: 8Sprache: EnglischTyp: PDF
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Autoren:
Quentin, Nicolas (University of Lyon / Ampere / Safran Group, France)
Perrin, Remi; Buttay, Cyril (INSA Lyon / Ampere, France)
Martin, Christian; Joubert, Charles (University of Lyon / Ampere, France)
Lacombe, Bertrand (Safran Group, France)
Inhalt:
This paper presents an active-clamp Flyback converter with a resonant operation which can realize soft-switching on all power elements with the minimum of additional components compared to the classical hard-switched flyback topology. This converter is a good candidate for wide input voltage and load range application. The operational principle and design procedure are presented and verified experimentally with a 50 W prototype converter at 1 MHz switching frequency, 18 to 80 V input voltage range and 15 V output voltage. In this switching frequency range, GaN transistors and planar transformer are used in order to improve the efficiency.