High conversion ratio dc-dc converters with reduced switch stress

被引：108

作者：

Ismail, Esam H. ^{[1
]}

Al-Saffar, Mustafa A. ^{[1
]}

Sabzali, Ahmad J. ^{[1
]}

机构：

[1] Coll Technol Studies, Dept Elect Engn, Al Shaab 36051, Kuwait

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2008年 / 55卷 / 07期

关键词：

dc-dc power conversion; pulsewidth modulated (PWM); step-up converter; switched-mode power supplies;

D O I：

10.1109/TCSI.2008.918195

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：

In this paper, a new class of single-switch nonisolated high step-up dc-dc converters with simple topologies is proposed. The proposed topologies utilize a hybrid switched capacitor technique for providing a high voltage gain without extreme switch duty cycle and yet enabling the use of a lower voltage and RDS-ON MOSFET switch so as to reduce cost, switch conduction and turn-on losses. Other advantages of the proposed topologies include: continuous input/output current, simple structure and control. The principle of operation in continuous conduction mode and discontinuous inductor current mode are analyzed. Experimental results obtained on a 45-W prototype are also presented.

引用

页码：2139 / 2151

页数：13

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