https://scholars.lib.ntu.edu.tw/handle/123456789/630959
標題: | Dynamic Rdsonand VthFree 15 V E-mode GaN HEMT Delivering Low sFOM of 13.1 mΩ•nC and over 90% Efficiency at 10 MHz for Buck Converter | 作者: | Li, William S.C. Zhou, David C. Yan, H. Zhang, J. F. Ma, H. H. Chen, C. JIAN-JANG HUANG Liu, X. M. Li, W. P. Wu, Marco Chen, Larry Wang, Felix Wong, Roy K.Y. Zhang, Jeff Lee, Mark Cheng, Echo Han, Andy |
關鍵字: | dynamic free | FoM | GaN HEMT | MHz operation | reliability | 公開日期: | 1-一月-2022 | 卷: | 2022-May | 來源出版物: | Proceedings of the International Symposium on Power Semiconductor Devices and ICs | 摘要: | To achieve fast, efficient, reliable and compact power converter, this paper reports 15 V GaN HEMT featuring: (i) low sFoM of 13.1 mΩ•nC, (ii) robust reliability under constant gate and drain stress over wide temperature range from -40 °C to 150 °C in 1000 hours, (iii) dynamic Rdson and Vth free operation demonstrated in MHz switching frequency converters. The buck converter with the fabricated GaN HEMTs in half bridge configuration demonstrates over 90% efficiency at 10 MHz under conversion ratio of 5 V Vin/ 1.5~4 V Vout. When the switching frequency increases to 30 MHz, the converter still remains over 80% efficiency. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/630959 | ISBN: | 9781665422017 | ISSN: | 10636854 | DOI: | 10.1109/ISPSD49238.2022.9813632 |
顯示於: | 電機工程學系 |
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