The Active Clamp Sepic- Flyback Converter

A high efficiency active clamp sepic-flyback converter is presented. The proposed converter is superposition of sepic converter mode and flyback converter mode. Not only sepic mode output but also flyback mode output can be fully regulated by constant frequency PWM control. Merging sepic and flyback...

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Main Authors: Soo-Seok Kim, Dae-Kyu Choi, Su-Jin Jang, Tae-Won Lee, Chung-Yuen Won
Format: Conference Proceeding
Language:English
Subjects:
Circuit topology
Clamps
DC-DC power converters
Frequency
Power transformers
Pulse width modulation
Switches
Switching circuits
Switching converters
Voltage
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creator Soo-Seok Kim
Dae-Kyu Choi
Su-Jin Jang
Tae-Won Lee
Chung-Yuen Won
description A high efficiency active clamp sepic-flyback converter is presented. The proposed converter is superposition of sepic converter mode and flyback converter mode. Not only sepic mode output but also flyback mode output can be fully regulated by constant frequency PWM control. Merging sepic and flyback topology can share the transformer, power MOSFET, and active clamp circuit. It has outstanding advantages over the conventional dc-dc converters with respect to high efficiency, high power density, and component utilization. The operation principle of the proposed converter is described and verified by simulation and experimental result
doi_str_mv 10.1109/PESC.2005.1581783
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source IEEE Xplore All Conference Series
subjects Circuit topology
Clamps
DC-DC power converters
Frequency
Power transformers
Pulse width modulation
Switches
Switching circuits
Switching converters
Voltage
title The Active Clamp Sepic- Flyback Converter
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