A novel high frequency current-driven synchronous rectifier applicable to most switching topologies

被引：104

作者：

Xie, XF ^{[1
]}

Liu, JCP ^{[1
]}

Poon, FNK ^{[1
]}

Pong, MH ^{[1
]}

机构：

[1] Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2001年 / 16卷 / 05期

关键词：

current-driven; low voltage high current; synchronous rectification; voltage-driven;

D O I：

10.1109/63.949496

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel current-driven synchronous rectifier is presented in this paper. With the help of current sensing energy recovery circuit, the proposed current-driven synchronous rectifier can operate at high switching frequency with high efficiency. Compared with those voltage-driven synchronous rectification solutions, this current-driven synchronous rectifier has several outstanding characteristics. It can be easily applied to most switching topologies like an ideal diode. Constant gate drive voltage can be obtained regardless of line and load fluctuation. This makes it desirable in high input range application. Converters designed with this synchronous rectifier are also capable of being connected in parallel without taking the risk of reverse power sinking. Principle of operation is given in the paper. A series of experiments verify the analysis and demonstrate the merits.

引用

页码：635 / 648

页数：14

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