fp6290h最新规格书

《fp6290h最新规格书》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、FP6290HLow-NoiseStep-UpCurrentModePWMConverterGeneralDescriptionTheFP6290HisacurrentmodeboostDC-DCconverter.ItsPWMcircuitrywithbuilt-in0.15ΩpowerMOSFETmakesthisconverterhighlypowerefficiently.Selectablehighswitchingfrequencyallowsfasterloopresponseandeasyfilteringwithalownoiseoutput.Then

2、on-invertinginputitserroramplifierisconnectedtoaninternal1.24Vprecisionreferencevoltage.Soft-Starttimecanbeprogrammedwithanexternalcapacitor,whichsetstheinputcurrentramprate.Currentmodecontrolandexternalcompensationnetworkmakeiteasyandflexibletostabilizethesystem.TheFP6290Hisavailableint

3、heSOP-8L(EP)andDFN-8L(EP)package.CombinedwithlowESRcapacitors,itreducedPCBspaceforstep-upapplications.FeaturesAdjustableOutputfromVCCto12VInternalFixedPWMFrequency:640KHz/1.2MHzFrequencySelectionPinPrecisionFeedbackReferenceVoltage:1.24VInternal0.15Ω,3A,14VPowerMOSFETExternalProgra

4、mmableSoft-StartFunction(SS)ShutdownCurrent:0.1µAOverCurrentProtectionPackage:SOP-8L(EP),DFN-8L(EP)ApplicationsLCDDisplaysDigitalCamerasHandheldDevicesPortableProductsTypicalApplicationCircuitThisdatasheetcontainsnewproductinformation.FeelingTechnologyreservestherightstomodifythep

5、roductspecificationwithoutnotice.Noliabilityisassumedasaresultoftheuseofthisproduct.Norightsunderanypatentaccompanythesalesoftheproduct.Website:www.szparkson.netRev.0.641/14FP6290HFunctionBlockDiagramThisdatasheetcontainsnewproductinformation.FeelingTechnologyreservestherightstomodifythe

6、productspecificationwithoutnotice.Noliabilityisassumedasaresultoftheuseofthisproduct.Norightsunderanypatentaccompanythesalesoftheproduct.Website:www.szparkson.netRev.0.642/14FP6290HPinDescriptionsSOP-8L(EP)NameNo.I/ODescriptionCOMP1OErrorAmplifierCompensationOutputFB2IErrorAmplifierInver

7、tingInputEN3IEnableControlGND4PICGroundLX5OSwitchOutputVCC6PICPowerSupplyFREQ7OFrequencySelectionSS8ISoft-StartControlEP9PExposedPAD.MustconnecttoGNDDFN-8L(EP)NameNo.I/ODescription9Fa86L6290HCOMP1OErrorAmplifierCompensationOutputFB2IErrorAmplifierInvertingInputEN3IEnableC