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. 30, 2018
Filed:
Jul. 17, 2017
Silanna Asia Pte Ltd, Singapore, SG;
Trevor M. Newlin, Holly Springs, NC (US);
SILANNA ASIA PTE LTD, Singapore, SG;
Abstract
Power converters and their methods of operation are described. An example method involves regulating an output using a switching circuit that responds to a control signal. The method involves comparing a feedback voltage from the output to a reference voltage using an error amplifier to create an error voltage, and comparing the error voltage to a ramp voltage from a periodic ramp signal using a comparator to create a PWM signal. The PWM signal is used in combination with the switching circuit to regulate the output. The method involves: clamping the error voltage, using a clamping circuit, if the error voltage drops below a lowest value for the periodic ramp signal while the power converter is regulating a load; and unclamping the error voltage, using the clamping circuit, if the error voltage rises above the lowest value for the periodic ramp signal while the power converter is regulating the load.