Библиографическая ссылка на патент
Pat. 9954439 United States, Int. Cl.22 G05F 1/40, H02M 1/00, H02M 3/157, H02M 3/158. Control circuit of switching power-supply device and switching power-supply device : Appl. N 15/331867 : Filed 23.10.2016 : Pub. 24.04.2018 : / Masaru Nakamura ; Assignee Sanken Electric Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9954439/en?oq=US9954439.html (дата обращения: ДД.ММ.ГГГГ).