A novel high speed voltage-driving scheme of synchronous rectifiers - Details

author：

Lin, W. (Lin, W..) ^[1] | Xu, Y. (Xu, Y..) ^[2] | Guo, X. (Guo, X..) ^[3] | Huang, C. (Huang, C..) ^[4] | Hua, X. (Hua, X..) ^[5]

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Scopus PKU CSCD

Abstract：

A　new　gate-driver　scheme　is　proposed　in　this　paper　to　improve　the　efficiency　of　the　self-driven　synchronous　rectifiers　for　a　resonant　reset　forward　converters.　The　scheme　possesses　fast　setting-up　rate　of　the　driving　voltage　of　the　freewheeling　and　decrease　the　power　losses　in　the　converter.　The　operation　principle,　simulation　and　experiment　results　are　presented　in　this　paper.　Design　consideration　and　experimental　results　are　also　provided　for　3.3V　output　voltage　converters.　The　proposed　gate-driving　scheme　for　a　resonant　reset　forward　topology　can　operate　with　high　slew　rate.　Then　the　SRs　in　this　case　can　be　driven　properly　and　a　higher　efficiency　can　be　obtained.

Keyword：

Efficiency; Forward converters; High speed; Self-drive scheme; Synchronous rectification

Community：

[ 1 ] [Lin, W.]Fuzhou University, Fuzhou 350108, China
[ 2 ] [Xu, Y.]Fuzhou University, Fuzhou 350108, China
[ 3 ] [Guo, X.]Fuzhou University, Fuzhou 350108, China
[ 4 ] [Huang, C.]Fuzhou University, Fuzhou 350108, China
[ 5 ] [Hua, X.]Fuzhou University, Fuzhou 350108, China

Reprint 's Address：

[Lin, W.]Fuzhou University, Fuzhou 350108, China

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Source ：

Transactions of China Electrotechnical Society

ISSN： 1000-6753

Year： 2010

Issue： 12

Volume： 25

Page： 118-123

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