Patent ID: 7796406
Filing Date: 2010-09-14
Classification: H02M,Y02B

Abstract:
1. A DC-DC converter comprising: a first stage, comprising a second stage, comprising a resonance circuit having a first path connected between said first and said second taps and a second path connected between said third and said fourth taps, said resonance circuit comprising at least a resonance inductor and a resonance capacitor, said resonance circuit having a resonance frequency; and a control unit adapted to switch ON and OFF each of said first, second, third and fourth switching means, and to receive indication of a reference voltage and of said Vin and said Vout wherein said first, said second, said third and said fourth switching means are provided with control signals to control the actual frequency of said converter and the phase shift between said first stage and said second stage, said control signals being provided so as to maintain the frequency of said first stage and of said second stage within a first operational region ranging substantially from frequency f wherein f wherein said f wherein said f