Библиографическая ссылка на патент
Pat. 9979288 United States, Int. Cl.22 H02M 3/157, H02M 3/158. Switching mode power supply with adaptive frequency : Appl. N 15/486235 : Filed 12.04.2017 : Pub. 22.05.2018 : / Wei Mao, Tianzhu Zhang ; Assignee Chengdu Monolithic Power Systems Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9979288/en?oq=US9979288.html (дата обращения: ДД.ММ.ГГГГ).