Библиографическая ссылка на патент
Pat. 9887621 United States, Int. Cl.22 H02M 7/04, H02M 1/42. Power factor correction circuit and method for correcting power factor, converter device thereof : Appl. N 14/983017 : Filed 29.12.2015 : Pub. 06.02.2018 : / Zhi Yuan Cui, In Ho Hwang, Young Gi Ryu, Sang Hoon Jeong, Gyu Ho Lim ; Assignee Magnachip Semiconductor Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9887621/en?oq=US9887621.html (дата обращения: ДД.ММ.ГГГГ).