Constant-Frequency Control of Quasi-Resonant Converters

被引：69

作者：

Maksimovic, Dragan ^{[1
]}

Cuk, Slobodan ^{[2
]}

机构：

[1] Univ Belgrade, Fac Elect Engn, Belgrade 11001, Yugoslavia

[2] CALTECH, Power Elect Grp, Pasadena, CA 91125 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 1991年 / 6卷 / 01期

关键词：

D O I：

10.1109/63.65012

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：

An additional independent control needed to eliminate the undesirable variable switching frequency of quasi-resonant converters can be obtained if the output rectifier is replaced by an active switch. The concept is applicable to all classes of quasi-resonant converters. It is demonstrated that in addition to operation at constant switching frequency, selected classes of constant-frequency quasi-resonant (CF-QR) topologies feature extended range of accessible conversion ratios and load currents. A practical example of a constant-frequency multi-resonant (CF-MR) buck converter operating at 2 MHz is described.

引用

页码：141 / 150

页数：10

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