ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,128, issued on Sept. 1, was assigned to Richtek Technology Corp. (Hsinchu, Taiwan).
"Pulse width modulation control circuit having dual loops" was invented by Kai-Yu Hu (Hsinchu, Taiwan), Cheng-Hsuan Fan (Hsinchu, Taiwan), Yung-Jen Chen (Hsinchu, Taiwan) and Chien-Hui Wang (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pulse width modulation control circuit for controlling a power converter circuit includes: a main loop control circuit; and a light-load loop control circuit. The light-load loop control circuit includes a current synthesis circuit configured to generate a synthesized current signal according to an input voltage and...