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:
Jul. 01, 2008
Filed:
Apr. 03, 2006
Applicant:
Jun Honda, El Sequndo, CA (US);
Inventor:
Jun Honda, El Sequndo, CA (US);
Assignee:
International Rectifier Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/217 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a gate driver circuit for a Class D audio amplifier with adaptive dV/dt control. The circuit includes an output switching stage, a gate driver capable of driving the output switching stage with a variable dV/dt; and a mode control circuit for setting an operating mode of the gate driver, wherein, the operating mode is selected from a plurality of operating modes, changes the dV/dt of the gate driver, corresponds to a power output level, and provides a balance point between a generated Electromagnetic Interference (EMI) and an efficiency of the switching stage.