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. 10, 2026
Filed:
Jun. 12, 2025
Samsung Electronics Co., Ltd., Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A power management integrated circuit includes a DC-DC converter configured to generate an internal voltage and output an internal power supply voltage based on the internal voltage. The DC-DC converter includes a first switch connected between an external power supply voltage and a second node from which the internal voltage is output, a second switch connected between the second node and a ground, and a third switch connected between the second node and the external power supply voltage through a resistor. When the internal voltage is a normal voltage, the DC-DC converter generate the internal voltage having a level between a first voltage and a second voltage lower than the first voltage by repeatedly turning on and off the first and second switches. When the internal voltage exceeds the first voltage, the DC-DC converter decreases the internal voltage by repeatedly turning on and off the second and third switches.
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