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. 10, 2013

Filed:

May. 19, 2010
Applicants:

Giovanni Frattini, Travaco Siccomario, IT;

Giorgio Spiazzi, Legnago, IT;

Paolo Mattavelli, Padua, IT;

Inventors:

Giovanni Frattini, Travaco Siccomario, IT;

Giorgio Spiazzi, Legnago, IT;

Paolo Mattavelli, Padua, IT;

Assignee:

National Semiconductor Corporation, Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02H 7/122 (2006.01);
U.S. Cl.
CPC ...
Abstract

A converter circuit includes a transformer having a first side and a second side. The converter circuit also includes a switch coupled to the first side of the transformer. The converter circuit further includes a rectifying diode coupled to the second side of the transformer and to a first output terminal of the converter circuit. In addition, the converter circuit includes a clamping diode coupled to the second side of the transformer, to the rectifying diode, and to a second output terminal of the converter circuit. The converter circuit may include a boost section and a flyback section. The converter circuit may also include an active clamp and an isolated flyback section.


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