Losses analysis and low standby losses quasi-resonant flyback converter design

Guan Chun Huang; Tsorng-Juu Liang; Chen Kai-Hui Chen

doi:10.1109/ISCAS.2012.6271718

Losses analysis and low standby losses quasi-resonant flyback converter design

Guan Chun Huang, Tsorng-Juu Liang, Chen Kai-Hui Chen

Department of Electrical Engineering

Research output: Contribution to conference › Paper › peer-review

17 Citations (Scopus)

Abstract

In this paper, an AC-DC flyback converter with low power loss during low load condition is designed and implemented. A power loss model and breakdown of the quasi-resonant flyback converter is not only derived, but also analyzed with mathematic analysis software, MathCAD ^®. A new efficiency oriented burst mode control method is proposed to improve the system efficiency under standby condition. A laboratory prototype quasi-resonant flyback converter with universal range input voltage of 90264 V _rms and output 24V/4.17A is implemented to verify the theoretical analysis. The power loss of the quasi-resonant flyback converter at 0.25 W load and 264 V _rms is 160 mW that achieve the Energy Star Standard.

Original language	English
Pages	217-220
Number of pages	4
DOIs	https://doi.org/10.1109/ISCAS.2012.6271718
Publication status	Published - 2012 Sept 28
Event	2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012 - Seoul, Korea, Republic of Duration: 2012 May 20 → 2012 May 23

Other

Other	2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012
Country/Territory	Korea, Republic of
City	Seoul
Period	12-05-20 → 12-05-23

All Science Journal Classification (ASJC) codes

Hardware and Architecture
Electrical and Electronic Engineering

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10.1109/ISCAS.2012.6271718

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title = "Losses analysis and low standby losses quasi-resonant flyback converter design",

abstract = "In this paper, an AC-DC flyback converter with low power loss during low load condition is designed and implemented. A power loss model and breakdown of the quasi-resonant flyback converter is not only derived, but also analyzed with mathematic analysis software, MathCAD {\textregistered}. A new efficiency oriented burst mode control method is proposed to improve the system efficiency under standby condition. A laboratory prototype quasi-resonant flyback converter with universal range input voltage of 90264 V rms and output 24V/4.17A is implemented to verify the theoretical analysis. The power loss of the quasi-resonant flyback converter at 0.25 W load and 264 V rms is 160 mW that achieve the Energy Star Standard.",

author = "Huang, {Guan Chun} and Tsorng-Juu Liang and {Kai-Hui Chen}, Chen",

year = "2012",

month = sep,

day = "28",

doi = "10.1109/ISCAS.2012.6271718",

language = "English",

pages = "217--220",

note = "2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012 ; Conference date: 20-05-2012 Through 23-05-2012",

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T1 - Losses analysis and low standby losses quasi-resonant flyback converter design

AU - Huang, Guan Chun

AU - Liang, Tsorng-Juu

AU - Kai-Hui Chen, Chen

PY - 2012/9/28

Y1 - 2012/9/28

N2 - In this paper, an AC-DC flyback converter with low power loss during low load condition is designed and implemented. A power loss model and breakdown of the quasi-resonant flyback converter is not only derived, but also analyzed with mathematic analysis software, MathCAD ®. A new efficiency oriented burst mode control method is proposed to improve the system efficiency under standby condition. A laboratory prototype quasi-resonant flyback converter with universal range input voltage of 90264 V rms and output 24V/4.17A is implemented to verify the theoretical analysis. The power loss of the quasi-resonant flyback converter at 0.25 W load and 264 V rms is 160 mW that achieve the Energy Star Standard.

AB - In this paper, an AC-DC flyback converter with low power loss during low load condition is designed and implemented. A power loss model and breakdown of the quasi-resonant flyback converter is not only derived, but also analyzed with mathematic analysis software, MathCAD ®. A new efficiency oriented burst mode control method is proposed to improve the system efficiency under standby condition. A laboratory prototype quasi-resonant flyback converter with universal range input voltage of 90264 V rms and output 24V/4.17A is implemented to verify the theoretical analysis. The power loss of the quasi-resonant flyback converter at 0.25 W load and 264 V rms is 160 mW that achieve the Energy Star Standard.

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T2 - 2012 IEEE International Symposium on Circuits and Systems, ISCAS 2012

Y2 - 20 May 2012 through 23 May 2012

ER -

Losses analysis and low standby losses quasi-resonant flyback converter design

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