Patent ID: 9236808
Filing Date: 2016-01-12
CPC Classification: H02M,Y02B,Y02P

Claim Text:
1. A parallel resonant converter circuit with current-equalization function, comprising: a power input terminal; a power output terminal; an output capacitor, comprising a first terminal and a second terminal, wherein the first terminal of the output capacitor is electrically coupled to the power output terminal; a first resonant converter, electrically coupled between the power input terminal and the output capacitor, wherein the first resonant converter comprises a first transformer; a second resonant converter, electrically coupled between the power input terminal and the output capacitor, wherein the first resonant converter and the second resonant converter are coupled in parallel, and the second resonant converter comprises a second transformer; and a third transformer, comprising a first coil winding set and a second coil winding set, wherein the first coil winding set is electrically coupled between the power input terminal and the first transformer in series, and the second coil winding set is electrically coupled between the power input terminal and the second transformer in series.