Patent ID: 8581561
Filing Date: 2013-11-12
Classification: H02M,Y02B

Abstract:
1. A DC-DC boost converter circuit in which an inductor and an output diode are connected in series and an output capacitor and a load are connected to an output port of the output diode in parallel, the DC-DC boost converter circuit comprising: an output stabilization circuit in which first and second switching elements, a transformer, a plurality of boost capacitors, and first and second stabilization diodes are connected in parallel between the inductor and the output diode, wherein the output stabilization circuit includes: the plurality of boost capacitors connected between the inductor and the output diode in series, the first and second stabilization diodes connected to the boost capacitor in parallel and connected between the inductor and the output diode in series, the transformer and the first switching element connected to the inductor in parallel and connected to a ground terminal between the inductor and the boost capacitor, the second switching element connected to the first switching element in parallel and connected between the transformer and the ground terminal, and a stabilization capacitor connected to the first stabilization diode in parallel and connected to the ground terminal between the first and second stabilization diodes.