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. 20, 2007
Filed:
Jun. 03, 2005
Jeffrey Lewis Amram Summit, Jefferson, MA (US);
Brett A. Miwa, Wellesley, MA (US);
Karl Richard Volk, Scotts Valley, CA (US);
Jeffrey Lewis Amram Summit, Jefferson, MA (US);
Brett A. Miwa, Wellesley, MA (US);
Karl Richard Volk, Scotts Valley, CA (US);
Maxim Integrated Products, Inc., Sunnyvale, CA (US);
Abstract
A step-up/step-down switching regulator control method for a regulator having an inductor with first and second leads, a first switch for controllably coupling the first lead to a source of power, a first device between the first lead and a circuit ground, a second switch for controllably coupling the second lead to the circuit ground, and a second device between the second lead and a regulator, the method comprising operating the switches in a sequence of phases when the source of power has a voltage exceeding the regulator output and in the same sequence of phases when the source of power has a voltage less than the regulator output, the phases being phasewith the first and second switches closed, phasewith the first switch closed and the second switch open, and phasewith both switches open. The first and second devices may be switches or diodes. Various embodiments are disclosed.