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.

Date of Patent:
Sep. 04, 2018

Filed:

Feb. 11, 2016
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-Do, KR;

Inventors:

Kyoung-Jin Lee, Seoul, KR;

Ha-Neul Kim, Seoul, KR;

Hyoung-Seok Oh, Seoul, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Suwon-si, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); H02M 3/158 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/156 (2013.01); H02M 3/1582 (2013.01); H02M 2001/0025 (2013.01); H02M 2001/0032 (2013.01); Y02B 70/16 (2013.01);
Abstract

A voltage converter includes a converting circuit and a switching control circuit, where the converting circuit includes an inductor connected to a switching node, a first switching device connected between the switching node and a common voltage and a second switching device connected to the switching node, where the first switching device charges the inductor and discharges the inductor in response to a control signal, and the switching control circuit generates the control signal by performing a PWM and a PFM based on a first sensing signal, a second sensing signal and a feedback signal, and adjusts a charging time of the inductor on a time basis, based on at least the input power supply voltage when the switching control circuit performs the PFM.


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