KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	A Study on the Efficiency Improvement of TTFC(Two Transistor Forward Converter) using Synchronous Rectifier of Compulsory Control-driver
Authors	배진용(Bae, Jin-Yong) ; 김용(Kim, Yong)
Page	pp.488-494
ISSN	1975-8359
Keywords	TTFC(Two Transistor Forward Converter) ; Synchronous Rectifier ; Compulsory Control-driver
Abstract	This paper presents the TTFC(Two Transistor Forward Converter) using Synchronous Rectifier of Compulsory Control-driver. The two transistor forward circuit is used to decrease voltage stress of primary side and the synchronous rectifier is used to reduce current stress of secondary side. Previous synchronous rectifier's MOSFET of TTFC have long dead time This paper presents synchronous rectifier of compulsory control-driver for minimized dead time. This paper shows comparison of diode rectifier, self-driven synchronous rectifier and compulsory control-driver synchronous rectifier of TTFC. The principle of operation, feature and design considerations is illustrated and verified through the experiment with a 200W 100kHz MOSFET based experimental circuit.

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