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. 10, 2021
Filed:
Nov. 14, 2014
Applicant:
Keithley Instruments, Llc, Solon, OH (US);
Inventor:
Wayne C. Goeke, Hudson, OH (US);
Assignee:
Keithley Instruments, LLC, Solon, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/00 (2006.01); H03K 17/16 (2006.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
H02M 1/00 (2013.01); H02M 3/33569 (2013.01); H03K 17/163 (2013.01); H03K 17/166 (2013.01); H02M 2001/0029 (2013.01); H03K 2217/0036 (2013.01);
Abstract
A switching power supply can include multiple power MOSFETs that receive an initial gate drive waveform comprising a fast slew rate region having a negative slope and a slow slew rate region also having a negative slope. The MOSFETs can turn off during the slow slew rate region of the initial gate drive waveform.