Patent ID: 6028418
Filing Date: 2000-02-22
Classification: H02M

Abstract:
A boost converter receiving an input signal and providing an output voltage at an output terminal, comprising:(a) a boost inductor having a first terminal and a second terminal, said first terminal of said boost inductor being coupled to receive said input signal;(b) a first switch coupled between a ground reference and said second terminal of said boost inductor;(c) an active snubber comprising:(1) a snubber inductor having a first terminal and a second terminal, said first terminal of said snubber inductor being coupled to said second terminal of said boost inductor;(2) a snubber rectifier coupled between said second terminal of said boost inductor and said output terminal; and(3) a second switch coupled between said second terminal of said snubber inductor and said ground reference; and(d) a boost rectifier coupled between said second terminal of said boost inductor and said output terminal.