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Switching Capacitor-PWM Power Converter

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专利名称:Switching Capacitor-PWM Power Converter发明人:Ming Xu,Ke Jin,Fred C. Lee申请号:US12638261申请日:20091215

公开号:US20110140679A1公开日:20110616

专利附图:

摘要:A power converter topology operates as a switching capacitor (capacitivevoltage divider) converter during a first, preferably short portion of a switching cycle toprovide excellent dynamic transient response and as a pulse width modulated converterduring a second portion of a switching cycle to provide flexibility of voltage regulation

and generality of application. This topology can be made self-driven and is capable ofzero voltage switching. Therefore the power converter can be used as one of a pluralityof branches of a multi-phase converter to enhance transient response. The respectivebranches can also be independently optimized for particular load levels and can beoperated independently in a phase shedding manner to improve efficiency at low load.Further, the power converter or respective branches of a multi-phase power converterare compatible with non-linear control to further improve dynamic response.

申请人:Ming Xu,Ke Jin,Fred C. Lee

地址:Blacksburg VA US,Blacksburg VA US,Blacksburg VA US

国籍:US,US,US

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