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Pat. 10716186 United States, Int. Cl.22 H05B 44/00, H05B 45/37, H02M 1/08, H02M 3/15, H02M 3/156, H05B 45/10, H02M 1/00. Driving circuit using buck converter capable of generating sufficient voltage to power a LED circuit and associated auxiliary circuitry in a normal mode of operation, and insufficient to power the LED circuit but sufficient to power the associated auxiliary circuitry in an off mode of operation : Appl. N 16/514275 : Filed 17.07.2019 : Pub. 14.07.2020 : / Akshat Jain, Ranajay Mallik ; Assignee Stmicroelectronics International Nv ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10716186/en?oq=US10716186.html (дата обращения: ДД.ММ.ГГГГ).