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Pat. 10277130 United States, Int. Cl.22 H02M 3/335, H02M 1/32, H02M 1/36, H02M 3/337, H02M 1/00. Primary-side start-up method and circuit arrangement for a series-parallel resonant power converter : Appl. N 15/168569 : Filed 31.05.2016 : Pub. 30.04.2019 : / Thomas Quigley ; Assignee Microchip Technology Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10277130/en?oq=US10277130.html (дата обращения: ДД.ММ.ГГГГ).