ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,112, issued on Nov. 25, was assigned to Monolithic Power Systems Inc. (Kirkland, Wash.).
"Controller and controlling method for quasi-resonant controlled switching converter" was invented by Xuefeng Chen (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A controller for a quasi-resonant controlled switching converter includes a sample-and-hold circuit for providing a plateau voltage based on a voltage detection signal that represents a voltage across a power switch, a first voltage-dividing circuit for providing a first divided voltage based on the plateau voltage, a timing circuit, a first converting unit, an enable circuit for provid...