Patent ID: 6144565
Filing Date: 2000-11-07
Classification: H02M

Abstract:
A DC-DC converter, comprising:a first fixed voltage input node;a second fixed voltage input node;a first fixed voltage output node;a second fixed voltage output node;a first switching device having a switching input, a first terminal and a second terminal;a second switching device having a switching input, a first terminal and a second terminal;first, second, third and fourth inductors, all having the same number of windings and each having a first and a second terminal, all said first terminals being of a first polarity and all said second terminals being of an opposite polarity;said first inductor having a first terminal connected to said first fixed voltage input node and said second terminal connected to said first terminal of said first switching device;said second inductor and said third inductor connected in series so that said first terminal of said second inductor is connected to said second terminal of said first switching device, said second terminal of said second inductor is connected to said first terminal of said third inductor, and said second terminal of said third inductor is connected to said first terminal of said second switching device;said second terminal of said second switching device connected to said first terminal of said fourth inductor and said second terminal of said fourth inductor connected to said second fixed voltage input node;said switching input of said first switching device and said switching input of said second switching device connected to a source of a switching signal.