ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,465, issued on Oct. 7, was assigned to M3 Technology Inc. (Taipei, Taiwan).

"Buck-boost converter and hybrid control method" was invented by Bo Yang (Allen, Texas), Xiaoyu Xi (Dallas) and David Meng (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a buck converter portion of a buck-boost converter configured to operate under a constant on-time control scheme, wherein an on-time of a high-side switch of the buck converter portion is determined by a buck on-time timer, and a boost converter portion of the buck-boost converter configured to operate under a constant off-time control scheme, wherein an off-time of a ...