FP5139

TechnologyFP5139Website:(0.5V)forcomparingoutputvoltagewithfeedbackamplifier,aninternaldead-timecontrolforcontrollingtheminimumdutycycle,programmablesoftstartwithshortcircuitprotectionfunctionandlogiclevelcontrolforoperatingmodeorstandbymode.FEATURESWidesupplyvoltageoperatingrange:1.8to15VReferencevoltageprecision:4%Lowcurrentconsumption:OperationMode5.5mAStandby-byMode1µAHighspeedoscillatorfrequency:1MHzmax.ProgrammableSoftStartfunction(SS)ShortCircuitProtectionfunction(SCP)Totem-poleoutputwithadjustableon/offcurrent(forNPNtransistorsorn-channelMOSFET)Logiclevelcontrolstand-bymodefunctionPackage:SOP8/TSSOP8/MSOP8TYPICALAPPLICATIONDigitalCameraPDAPortableEquipmentSOP8TechnologyFP5139Website::°C~+85°CSOP8TubeFP5139DR-LF-10°C~+85°CSOP8Tape&ReelFP5139W-LF-10°C~+85°CTSSOP8TubeFP5139WR-LF-10°C~+85°CTSSOP8Tape&ReelFP5139T-LF-10°C~+85°CMSOP8TubeFP5139TR-LF-10°C~+85°CMSOP8Tape&ReelICDATECODEDISTINGUISHFP5139LYearPerHalfMonthLotNumberMassProductionVersionLeadFreeFOREXAMPLE:JanuaryA(FrontHalfMonth),B(LastHalfMonth)FebruaryC,DMarchE,F------------AndsoonLotNumberisthelasttwonumbersForExample:TechnologyFP5139Website:(soldering,10sec)------------------------------------------+260TSSOP8LeadTemperature(soldering,10sec)--------------------------------------+260MSOP8LeadTemperature(soldering,10sec)---------------------------------------+260TechnologyFP5139Website:=2V,TA=25UnderVoltageLock-Outsection(U.V.L.O.)PARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITLowthresholdvoltageVLOW----0.9VUpperthresholdvoltageVUPPER--1.11.31.5VSoftStartsection(S.S.)PARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITInputsourcecurrentISSVSCP=0V-1.5-1.0-0.7ASoftstartthresholdvoltageVSST--0.80.91.0VShortCircuitProtectionsection(S.C.P.)PARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITInputsourcecurrentISCPVSCP=0V-1.5-1.0-0.7AS.C.P.thresholdvoltageVSCP--0.70.80.9VOscillatorsectionPARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITOscillationfrequencyfRT=3.0KΩ,CT=270pF400500600KHzFrequencychangewithvoltage∆f/∆VVCC=2Vto15V-210%Frequencychangewithtemperature∆f/∆TTa=0to85-5-%IdlePeriodAdjustmentsectionPARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITMaximumdutycycleTDUTYRT=3.0kΩ,CT=270pF,VFB=0.8V-9298%TotaldevicesectionPARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITStand-bycurrentISTANDBYPin4isopenorVCC--1µAAveragesupplycurrentIAVERB=390Ω,VCC=0~15V-5.010mATechnologyFP5139Website:(Cont.)ErrorAmplifiersectionPARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITInputthresholdvoltageVFBVCOMP=450mV480500520mVVTchangewithvoltage∆VFB/∆VVCC=2Vto15V-520mVVTchangewithtemperature∆VFB/∆TTa=-10to85-1-%InputbiascurrentIB---1.0-0.21.0µAVoltageGainAv---100-V/VFrequencybandwidthBWAv=0dB-6-MHzPositiveVPOS--0.780.87-OutputvoltageSwingNegativeVNEG---0.050.2VOutputsourcecurrentISOURCE--40-24µAOutputsinkcurrentISINKVCOMP=450mV2440-µAOutputsectionPARAMETERSYMBOLTESTCONDITIONSMIN.TYP.MAX.UNITOutputhighvoltageVOH1RB=390Ω,IO=-15mA1.01.2-VOutputhighvoltageVOH2RB=750Ω,IO=-10mA,VCC=1.8V0.81.0-VOutputsaturationvoltageVOL1RB=390Ω,IO=15mA-0.10.2VOutputsaturationvoltageVOL2RB=750Ω,IO=1