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.:

US 9054576 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 09, 2015

Filed:

Oct. 11, 2012
Applicant:

Industrial Cooperation Foundation Chonbuk National Univerisity, Jeonju-si, Jeollabuk-do, KR;

Inventors:

Yong Cheol Kang, Jeonju-si, KR;

Jul Ki Seok, Daegu, KR;

Ali Gandomkar, Gyeongsan-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/18 (2006.01); H02M 7/00 (2006.01); H02M 3/07 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/07 (2013.01); H02M 2001/0058 (2013.01); Y02B 70/1491 (2013.01);
Abstract

A high efficiency DC/DC converter with high conversion ratio is provided. The DC/DC converter includes a power switch for selectively switching an electrical connection between one side of a power supply and anodes of a first diode and a second diode, a first capacitive element whose one side is connected to a cathode of the first diode, a second capacitive element whose one side is connected to a cathode of the second diode, a first-first switch for selectively switching an electrical connection between the other side of the first capacitive element and the other side of the power supply, and a second-first switch for selectively switching an electrical connection between the other side of the first capacitive element and one side of the second capacitive element.


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