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:
Dec. 04, 2018
Filed:
Aug. 02, 2017
Applicant:
Endura Technologies Llc;
Inventor:
Hassan Ihs, San Diego, CA (US);
Assignee:
Chaoyang Semiconductor Jiangyin Technology Co., Ltd., Jiangyin, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01); H02M 3/157 (2006.01); H02M 3/156 (2006.01); H02M 1/32 (2007.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/158 (2013.01); H02M 3/157 (2013.01); H02M 1/32 (2013.01); H02M 2001/0019 (2013.01); H02M 2003/1566 (2013.01);
Abstract
A DC-DC converter operating in pulse frequency modulation (PFM) and pulse width modulation (PWM) modes includes a plurality of PWM signal generators. The PWM signal generators generate PWM signals with different duty cycles. PWM signals with larger duty cycles may be selected for use in undervoltage situations.