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:
Aug. 12, 2025
Filed:
Aug. 19, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kyeseok Yoon, Yongin-si, KR;
Hyebong Ko, Seoul, KR;
Jinwoo So, Hwaseong-si, KR;
Hyoungseok Oh, Seoul, KR;
Daewoong Cho, Yongin-si, KR;
Jungwook Heo, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A buck converter including: a first switching element connecting an input voltage node to a switching node; a second switching element connecting the switching node to a ground node; a low drop out (LDO) voltage regulator connected to the input voltage node; a pulse width modulation (PWM) controller configured to receive a mode signal indicating an operation mode and toggle, in response to the mode signal, a first control signal for turning on the first switching element or a second control signal for turning on the second switching element; a bootstrap charger configured to receive the mode signal and toggle, in response to the mode signal, a third control signal for turning on the second switching element; and a bootstrap capacitor connecting an output node of the LDO voltage regulator to the switching node.