ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,286, issued on Aug. 26, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Startup circuit for a flyback converter" was invented by Pei-Hsin Liu (Bedford, N.H.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A converter includes a power stage to provide a current through a primary winding of a transformer in response to a PWM signal and to induce a current in a secondary winding of the transformer to generate an output voltage. The power stage has a switching terminal. The converter also includes a controller, a clamp circuit, and an impedance device. The controller includes a first transistor coupled with a second transistor to initiate an operationa...