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:
Oct. 07, 2014
Filed:
Sep. 25, 2009
Applicants:
Chris Levesque, Fountain Valley, CA (US);
David Zimlich, Carlsbad, CA (US);
Jean-christophe Berchtold, Carlsbad, CA (US);
Inventors:
Chris Levesque, Fountain Valley, CA (US);
David Zimlich, Carlsbad, CA (US);
Jean-Christophe Berchtold, Carlsbad, CA (US);
Assignee:
RF Micro Devices, Inc., Greensboro, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/563 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hybrid Direct Current (DC) to DC converter is disclosed for efficiently converting an input voltage from one level to another. In a preferred embodiment, a dual phase charge pump is combined with a buck converter and a switch controller to provide a converted voltage that is useable to cellular handset circuits based on power amplifier (PA) technology.