ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,231, issued on Oct. 20, was assigned to Rohm Co. Ltd. (Kyoto, Japan).
"Driving device, switching power supply device, and electrical appliance" was invented by Takumi Fujimaki (Kyoto, Japan) and Yifei Tang (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A driving device is configured to drive a switching element. The driving device includes a pull-down circuit connected to the control terminal of the switching element. The pull-down circuit is configured to keep a first pull-down current, which flows through the pull-down circuit before the driving device starts up, higher than a second pull-down current, which flows through the pull-do...