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:
Nov. 03, 2026

Filed:

Sep. 18, 2023
Applicant:

Magnachip Semiconductor, Ltd., Cheongju-si, KR;

Inventors:

Myungwoo Lee, Seongnam-si, KR;

Hyungseok Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 1/02 (2006.01); H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0216 (2013.01); H03F 3/45183 (2013.01); H03F 3/45273 (2013.01); H03F 2203/45674 (2013.01);
Abstract

A buffer circuit for generating an output voltage according to an input voltage includes: an input stage configured to provide a first differential current to a load stage or receive a second differential current from the load stage based on a difference between the input voltage and the output voltage; the load stage configured to apply gate voltages to a first output transistor and a second output transistor of an output stage based on the first differential current or the second differential current; the output stage configured to regulate the output voltage based on the gate voltages applied to the first output transistor and the second output transistor; and a slew rate compensator configured to provide a source current to the load stage or receive a sink current from the load stage to regulate the gate voltages of the first output transistor and the second output transistor.


Find Patent Forward Citations

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Lee, Myungwoo. (2026). Buffer circuit having enhanced slew rate (U.S. Patent No. 12785625). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785625

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