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Boost power converter for powering a load from an AC source

  • US 5,912,812 A
  • Filed: 12/19/1996
  • Issued: 06/15/1999
  • Est. Priority Date: 12/19/1996
  • Status: Expired
First Claim
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1. A boost power converter for powering a load with an AC source, comprising:

  • an AC to DC conversion circuit for generating a DC signal in response to the AC source;

    a resonator, including first and second switching devices, an energy storage device and a resonant circuit, configured for alternately applying energy from the energy storage device to the resonant circuit for powering the load; and

    a boost circuit including a choke for receiving the DC signal, a rectifier for electrically coupling the choke to the energy storage device, and a third switching device, coupled between the choke and a node between the first and second switching devices, for selectively coupling the choke to the resonant circuit.

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