RT9214全新原装现货，***赔十13724201506李生。***:2629331408.TheRT9214isahighefficiencysynchronous***PWMcontrollersthatgeneratelogic-supplyvoltagesinPCbasedsystems.Thesehighperformance,singleoutputdevicesincludeinternalsoft-start,frequencycompensationnetworksandintegratesallofthecontrol,outputadjustment,monitoringandprotectionfuncti***intoasinglepackage.Thedeviceoperatingatfixed300kHzfrequencyprovidesanoptimumcompromisebetweenefficiency,externalcomponentsize,andcost.Adjustableover-currentprotection(OCP)monitorsthevoltagedropacrossthe***(ON)ofthelowerMOSFETforsynchronous***PWMDC-DCcontroller.Theover-currentfunctioncyclesthesoft-startin4-timeshiccupmodetoprovidefaultprotection,andinanalwayshiccupmodeforunder-voltageprotection.OrderingInfoNote:Richtekproductsare:?RoHScompliantandcompatiblewiththecurrentrequire-mentsofIPC/JEDECJ-STD-020.?SuitableforuseinSnPborPb-freesolderingprocesses.Features•Operatingwith5Vor12VSupplyVoltage•DrivesAllLowCostN-ChannelMOSFETs•VoltageModePWMControl•300kHzFixedFrequencyOscillator•FastTransientResp***e:♦High-SpeedGMAmplifier♦Full0to100%DutyRatio•InternalSoft-Start•AdaptiveNon-OverlappingGateDriver•Over-CurrentFaultMonitoronMOSFET,NoCurrentSenseResistorRequired•RoHSCompliantand100%Lead(Pb)-FreeApplication•GraphicCard•Motherboard,DesktopServers•IAEquipments•TelecommEquipments•HighPowerDC-DCRegulatorsPinConfigurati***(TOPVIEW)SOP-8SOP-8(ExposedPad)TypicalApplicati***Circuit)