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A VHF class E DC-DC converter with self-oscillating gate driver

机译:具有自激栅极驱动器的VHF E类DC-DC转换器

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This paper describes the analysis and design of a DC-DC converter topology which is operational at frequencies in the Very High Frequency (VHF) band ranging from 30 MHz–300 MHz. The presented topology, which consists of a class E inverter, class E rectifier, and self-oscillating gate driver, is inherently resonant, and switching losses are greatly reduced by ensuring Zero Voltage Switching (ZVS) of the power semiconductor devices. A design method to ensure ZVS operation when combining the inverter, rectifier, and gate driver is provided. Several parasitic effects and their influence on converter operation are discussed, and measurement results of a 100 MHz prototype converter are presented and evaluated. The designed prototype converter verifies the described topology.
机译:本文介绍了一种DC-DC转换器拓扑的分析和设计,该拓扑可在30 MHz至300 MHz的甚高频(VHF)频带内的频率下工作。所提出的拓扑结构由E类逆变器,E类整流器和自激栅极驱动器组成,具有固有的谐振特性,并且通过确保功率半导体器件的零电压开关(ZVS)可以大大降低开关损耗。提供了一种在逆变器,整流器和栅极驱动器组合时确保ZVS工作的设计方法。讨论了几种寄生效应及其对转换器工作的影响,并给出并评估了100 MHz原型转换器的测量结果。设计的原型转换器将验证所描述的拓扑。

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