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(11)

EP 4 480 088 A1

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(43) Date of publication: 25.12.2024 Bulletin 2024/52 (21) Application number: 23704224.7 (22) Date of filing: 17.01.2023

(51) International Patent Classification (IPC):  H03K 17/18(2006.01) H03K 17/0812(2006.01) H03K 17/08(2006.01) H03K 17/082(2006.01) (52) Cooperative Patent Classification (CPC): H03K 17/0812; H03K 17/082; H03K 17/18 (86) International application number: PCT/US2023/060728 (87) International publication number: WO 2023/158894 (24.08.2023 Gazette 2023/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 17.02.2022 US 202263311273 P 01.04.2022 EP 22166294 21.06.2022 US 202217845117 (71) Applicant: Power Integrations, Inc. San Jose, California 95138 (US)	(72) Inventors: BAEURLE, Stefan San Jose, California 95125 (US) ZHANG, Michael Yue Mountain View, California 94043 (US) VOLKE, Andreas 59494 Soest (DE) DUSTERT, Christoph 59494 Soest (DE) FINK, Karsten 59457 Werl (DE) HORNKAMP, Michael 59469 Ense (DE) (74) Representative: Fish & Richardson P.C.  Highlight Business Towers Mies-van-der-Rohe-Straße 8 80807 München 80807 München (DE)