Texas InstrumentsSTSankenPower IntegrationsFairchildIntersilInfineonON SemiconductorShenzhenMPSRichtekNationalPanasonicMotorolaAlphaomegaSamsungRohmOzNational SemiconductorSiemensO.B.AMSHTCRenesasNXP SemiconductorsAnpecKECMicroTideSKX-PowerVishayInternational RectifierAlphaNECZKTecoAPWCSTSemTechSMSilanL&CFairchild SemiconductorSanyoFitipowerEutechJiangsuMTTyLyAllegroFuji