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:
Oct. 03, 2023
Filed:
Jun. 02, 2022
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Jong Seok Jung, Icheon-si, KR;
Chan Keun Kwon, Icheon-si, KR;
Jong Seok Kim, Icheon-si, KR;
Young Kwan Lee, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/20 (2006.01); H03B 5/04 (2006.01); G01K 7/01 (2006.01); G05F 1/567 (2006.01);
U.S. Cl.
CPC ...
G05F 3/20 (2013.01); G01K 7/01 (2013.01); G05F 1/567 (2013.01); H03B 5/04 (2013.01);
Abstract
A bandgap reference circuit includes a plurality of current sources including different temperature coefficients, a first trimmer, and a mixer. The first trimmer adjusts current amounts for a plurality of currents, which are individually output from each of the plurality of current sources, to be equal to each other. The mixer adjusts an aggregate ratio and combines the plurality of currents based on the aggregate ratio.