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:
Jun. 16, 2009
Filed:
Nov. 26, 2007
Anthony Stratakos, Berkeley, CA (US);
Jieli LI, Fremont, CA (US);
Biljana Beronja, Mountain View, CA (US);
David Lidsky, Oakland, CA (US);
Michael Mcjimsey, Danville, CA (US);
Aaron Schultz, San Jose, CA (US);
Charles R. Sullivan, West Lebanon, NH (US);
Charles Nickel, Easthampton, MA (US);
Anthony Stratakos, Berkeley, CA (US);
Jieli Li, Fremont, CA (US);
Biljana Beronja, Mountain View, CA (US);
David Lidsky, Oakland, CA (US);
Michael McJimsey, Danville, CA (US);
Aaron Schultz, San Jose, CA (US);
Charles R. Sullivan, West Lebanon, NH (US);
Charles Nickel, Easthampton, MA (US);
Volterra Semiconductor Corporation, Fremont, CA (US);
Abstract
A multi-phase, coupled-inductor, DC-DC voltage converter operates in discontinuous conduction mode (DCM) when the system is operated at low output power demand. An embodiment of the converter switches to operating in continuous conduction mode (CCM) when the system is operated at high output power demand. Operation in single-drive and rotating phase DCM operation at low power are described. An alternative embodiment operates in a multiple-drive, rotating-phase, discontinuous conduction mode during at least one condition of output power demand.