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Power Converter

  • US 20080259647A1
  • Filed: 10/24/2006
  • Published: 10/23/2008
  • Est. Priority Date: 10/25/2005
  • Status: Abandoned Application
First Claim
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1. A power converter comprisinga series arrangement of a first main current path of a first controllable switch (M2) and a second main current path of a second controllable switch (M3), the series arrangement being arranged for receiving a DC-input voltage (V1),a series arrangement of an inductance (L) and a capacitance (2) being arranged in parallel with the second main current path, wherein the inductance (L) and capacitance (2) determine a resonance frequency (fr1, fr2),an output node (NO) coupled to the inductance (L) for supplying an output voltage (VO) of the power converter,a means (M1) for varying the capacitance (2) or the inductance (L), anda controller (1) for controlling the first controllable switch (M2) and the second controllable switch (M3) with a variable repetition frequency (fr) to stabilize the output voltage (VO), and for controlling the means (M1) for varying to vary the capacitance (2) or the inductance (L) in dependence on a required peak output power of the power converter.

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