Zero-voltage switching postregulation scheme for multioutput forward converter with synchronous switches

Jae Kuk Kim; Seong Wook Choi; Gun Woo Moon

doi:10.1109/TIE.2010.2060452

Zero-voltage switching postregulation scheme for multioutput forward converter with synchronous switches

Jae Kuk Kim, Seong Wook Choi, Gun Woo Moon

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

A new multioutput forward converter is proposed. It consists of four synchronous switches in the secondary side for two outputs with the same ground. The primary switches control the main output voltage, and the synchronous switches in the transformer secondary side control the auxiliary output voltage. The main advantages of the proposed converter are that the secondary regulation switch for auxiliary output can achieve the zero-voltage switching at the entire load conditions and the secondary rectified voltage is a three-level waveform, which can reduce the output filter. The operational principle, analysis, and design considerations of the proposed converter are presented in this paper. The validity of this study is confirmed by the experimental results from a dual-output (12 V-18.3 A and 5 V-6 A) prototype for personal computer power supply.

Original language	English
Article number	5518425
Pages (from-to)	2378-2386
Number of pages	9
Journal	IEEE Transactions on Industrial Electronics
Volume	58
Issue number	6
DOIs	https://doi.org/10.1109/TIE.2010.2060452
State	Published - Jun 2011
Externally published	Yes

Keywords

Multioutput
postregulation
synchronous switch
zero-voltage switching (ZVS)

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10.1109/TIE.2010.2060452

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title = "Zero-voltage switching postregulation scheme for multioutput forward converter with synchronous switches",

abstract = "A new multioutput forward converter is proposed. It consists of four synchronous switches in the secondary side for two outputs with the same ground. The primary switches control the main output voltage, and the synchronous switches in the transformer secondary side control the auxiliary output voltage. The main advantages of the proposed converter are that the secondary regulation switch for auxiliary output can achieve the zero-voltage switching at the entire load conditions and the secondary rectified voltage is a three-level waveform, which can reduce the output filter. The operational principle, analysis, and design considerations of the proposed converter are presented in this paper. The validity of this study is confirmed by the experimental results from a dual-output (12 V-18.3 A and 5 V-6 A) prototype for personal computer power supply.",

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AU - Kim, Jae Kuk

AU - Choi, Seong Wook

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N2 - A new multioutput forward converter is proposed. It consists of four synchronous switches in the secondary side for two outputs with the same ground. The primary switches control the main output voltage, and the synchronous switches in the transformer secondary side control the auxiliary output voltage. The main advantages of the proposed converter are that the secondary regulation switch for auxiliary output can achieve the zero-voltage switching at the entire load conditions and the secondary rectified voltage is a three-level waveform, which can reduce the output filter. The operational principle, analysis, and design considerations of the proposed converter are presented in this paper. The validity of this study is confirmed by the experimental results from a dual-output (12 V-18.3 A and 5 V-6 A) prototype for personal computer power supply.

AB - A new multioutput forward converter is proposed. It consists of four synchronous switches in the secondary side for two outputs with the same ground. The primary switches control the main output voltage, and the synchronous switches in the transformer secondary side control the auxiliary output voltage. The main advantages of the proposed converter are that the secondary regulation switch for auxiliary output can achieve the zero-voltage switching at the entire load conditions and the secondary rectified voltage is a three-level waveform, which can reduce the output filter. The operational principle, analysis, and design considerations of the proposed converter are presented in this paper. The validity of this study is confirmed by the experimental results from a dual-output (12 V-18.3 A and 5 V-6 A) prototype for personal computer power supply.

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KW - postregulation

KW - synchronous switch

KW - zero-voltage switching (ZVS)

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Zero-voltage switching postregulation scheme for multioutput forward converter with synchronous switches

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