The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 31, 2013

Filed:

May. 19, 2011
Applicants:

Zan Wang, Singapore, SG;

Dong LI, Singapore, SG;

Jianwei Liu, Singapore, SG;

Inventors:

Zan Wang, Singapore, SG;

Dong Li, Singapore, SG;

Jianwei Liu, Singapore, SG;

Assignee:

Infineon Technologies AG, Neubiberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
Abstract

A resonant converter includes first and second input terminals for applying an input voltage and first and second output terminals for providing an output voltage. A transformer includes a primary winding and a secondary winding, where both the primary winding and the secondary winding have a first and a second terminal. A series resonant circuit includes a capacitive element and the primary winding of the transformer. A switching circuit is connected between the input terminals and the series resonant circuit. A rectifier circuit is connected between the secondary winding and the output terminals. A clamping circuit is connected between one of the first and second terminals of the primary winding and the input terminals.


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