Patent ID: 6188593
Filing Date: 2001-02-13
Classification: H02M,Y02B

Abstract:
A synchronous rectifying converter with a variable input and output, said converter including transformer means having a main secondary winding and a control secondary winding,said main secondary winding having a first main terminal coupled to a first output terminal of said converter, and a second main terminal coupled via a controlled electronic switch to a second output terminal of said converters,and said control secondary winding having a first control terminal coupled to said main secondary winding, and a second control terminal coupled to a control input terminal of said switch,a first capacitor coupled between the first output terminal and the second output terminal of said converter,said converter further comprising, between said first main terminal and said second main terminal of said main secondary winding, a diode and a second capacitor coupled in series, andsaid first control terminal of said control secondary winding is coupled to junction of said diode with said second capacitor.