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Pat. 10211738 United States, Int. Cl.22 H02M 3/158, H02M 1/15. DC-DC conversion circuit system and forming method thereof : Appl. N 15/976090 : Filed 10.05.2018 : Pub. 19.02.2019 : / Qian Weng ; Assignee Semiconductor Manufacturing International Shanghai Corp, Semiconductor Manufacturing International Beijing Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10211738/en?oq=US10211738.html (дата обращения: ДД.ММ.ГГГГ).