Low Power Very High Frequency Switch-Mode Power Supply With 50 V Input and 5 V Output

被引：28

作者：

Madsen, Mickey ^{[1
]}

Knott, Arnold ^{[1
]}

Andersen, Michael A. E. ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Elect Engn, DK-2800 Kongens Lyngby, Denmark

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2014年 / 29卷 / 12期

关键词：

DC-DC power conversion; inverters; rectifiers; resonant power conversion; switched mode power supplies; VHF circuits; EFFICIENCY CLASS-E; DESIGN; AMPLIFIER; INVERTER; CIRCUIT;

D O I：

10.1109/TPEL.2014.2305738

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：

This paper presents the design of a resonant converter with a switching frequency in the very high frequency range (30-300 MHz), a large step down ratio (ten times), and low output power (1 W). Several different inverters and rectifiers are analyzed and compared. The class E inverter and rectifier are selected based on complexity and efficiency estimates. Three different power stages are implemented; one with a large input inductor, one with a switch with small capacitances, and one with a switch with low on-resistance. The power stages are designed with the same specifications and efficiencies from 60.7-82.9% are achieved.

引用

页码：6569 / 6580

页数：12

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