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Pat. 10389225 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/14, H02M 1/42, H02M 3/156, H02M 1/00. Switching power supply, primary control chip and loop compensation device thereof : Appl. N 15/756330 : Filed 05.09.2016 : Pub. 20.08.2019 : / Wenqing Wang, Yongjun Hou ; Assignee Byd Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10389225/en?oq=US10389225.html (дата обращения: ДД.ММ.ГГГГ).