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.
Patent No.:
Date of Patent:
Nov. 16, 2004
Filed:
Aug. 01, 2003
Applicant:
Inventors:
Gerald Deboy, München, DE;
Dirk Ahlers, München, DE;
Helmut Strack, München, DE;
Michael Rueb, Faak a. See, AT;
Hans Martin Weber, Villach, AT;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 7/04 ;
U.S. Cl.
CPC ...
H01L 7/04 ;
Abstract
A switching power supply including a power factor correction circuit comprises a rectifier, an inductor coupled in series with the rectifier, a semiconductor switch formed by a compensation device coupled in parallel with the rectifier and the inductor. The output circuit comprises a diode coupled in series with a capacitor both coupled in parallel with the semiconductor switch. An input current sensor, and a control unit for controlling the compensation device are provided.