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Design of a low EMI boost converter using bi-frequency PFM control mode

  • Cheng'En Wu
  • , Changyuan Chang
  • , Yan Zhang
  • , Junjie Hu
  • , Yao Chen
  • Southeast University, Nanjing

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

A bi-frequency PFM controlled boost DC-DC converter is designed and implemented in this paper to improve the electro-magnetic interference (EMI) and efficiency of the system in a wide load range. The spectral energy of proposed bi-frequency PFM controlled converter is distributed to more frequency points to decrease the discrete harmonic peak, achieving low EMI. A control IC for the boost converter has been fabricated in Founder Microelectronics 0.5μm CMOS process. Experimental results show that the full-load conversion efficiency is over 80%, and the converter has fine EMI characteristics.

源语言英语
主期刊名4th International Symposium on Next-Generation Electronics, IEEE ISNE 2015
出版商Institute of Electrical and Electronics Engineers Inc.
ISBN(电子版)9781479942084
DOI
出版状态已出版 - 23 6月 2015
已对外发布
活动4th International Symposium on Next-Generation Electronics, IEEE ISNE 2015 - Taipei, 中国台湾
期限: 4 5月 20156 5月 2015

出版系列

姓名4th International Symposium on Next-Generation Electronics, IEEE ISNE 2015

会议

会议4th International Symposium on Next-Generation Electronics, IEEE ISNE 2015
国家/地区中国台湾
Taipei
时期4/05/156/05/15

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