SY8101 Rev0.93 for Meijia

SY8101A/B/C/DHighEfficiency400kHz,0.6A/1A/1.5A/2A,16VInputSynchronousStepDownRegulatorPreliminarySpecificationSY8101Rev.0.93SilergyCorp.Confidential-preparedforCustomerUseOnly1GeneralDescriptionTheSY8101A,SY8101B,SY8101CandSY8101Darehighefficiency400kHzsynchronousstep-downDC-DCconverterscapableofdelivering0.6A,1A,1.5A,2Aoutputcurrents,respectively.SY8101A/B/C/Doperateoverawideinputvoltagerangefrom4Vto15VandintegratemainswitchandsynchronousswitchwithverylowRDS(ON)tominimizetheconductionloss.Lowoutputvoltagerippleandsmallexternalinductorandcapacitorsizesareachievedwith400kHzswitchingfrequency.OrderingInformationTemperatureCodeOptionalSpecCodeSY8101□□□□(□□□□□□□□)□□□□PackageCodeTemperatureCodeOptionalSpecCodeSY8101□□□□(□□□□□□□□)□□□□PackageCodeTemperatureRange:-40°Cto85°CFeatures•LowRDS(ON)forinternalswitches(top/bottom)οSY8101A:300/200mΩ,0.6AοSY8101B:200/150mΩ,1AοSY8101C:150/120mΩ,1.5AοSY8101D:120/90mΩ,2A•4-15Vinputvoltagerange•400kHzswitchingfrequency•Internalsoftstartlimitstheinrushcurrent•2%0.6Vreference•RoHSCompliantandHalogenFree•Compactpackage:SSOT236pinApplications•SetTopBox•PortableTV•AccessPointRouter•DSLModem•LCDTVTypicalApplicationsLXINGNDFBENVINCINLR1R2VOUTCOUTBSEfficiency(%)LoadCurrent(A)8082848688909294969800.40.81.21.62VIN=12V,VOUT=5VFigure1.SchematicDiagramFigure2.EfficiencyvsLoadCurrentOrderingNumberPackagetypeNoteSY8101AEBCSSOT23-60.6ASY8101BEBCSSOT23-61ASY8101CEBCSSOT23-61.5ASY8101DEBCSSOT23-62ASY8101A/B/C/DSY8101Rev.0.93SilergyCorp.Confidential-preparedforCustomerUseOnly2Pinout(topview)(SSOT23-6)TopMark:CFxyzforSY8101A,BJxyzforSY8101B,BMxyzforSY8101C,CGxyzforSY8101D(Devicecode:CFforSY8101A,etc.;x=yearcode,y=weekcode,z=lotnumbercode)PinNamePinNumberPinDescriptionBS1Boot-StrapPin.Supplyhighsidegatedriver.DecouplethispintoLXpinwith0.1uFceramiccap.IN5Inputpin.DecouplethispintoGNDpinwithatleast1uFceramiccapLX6Inductorpin.ConnectthispintotheswitchingnodeofinductorGND2GroundpinFB3OutputFeedbackPin.Connectthispintothecenterpointoftheoutputresistordivider(asshowninFigure1)toprogramtheoutputvoltage:Vout=0.6*(1+R1/R2)EN4Enablecontrol.Pullhightoturnon.Donotfloat.AbsoluteMaximumRatings(Note1)SupplyInputVoltage-----------------------------------------------------------------------------------------16VLX,ENVoltage------------------------------------------------------------------------------------------------VIN+0.3VFB,BS-LXVoltage--------------------------------------------------------------------------------------------4VPowerDissipation,PD@TA=25°CSSOT23-6,---------------------------------------------------------0.6WPackageThermalResistance(Note2)θJA-----------------------------------------------------------------------------------------------------161°C/WθJC-----------------------------------------------------------------------------------------------------130°C/WJunctionTemperatureRange----------------------------------------------------------------------------------125°CLeadTemperature(Soldering,10sec.)----------------------------------------------------------------------260°CStorageTemperatureRange------------------------------------------------------------------------------------65°Cto150°CESDSusceptibility(Note2)HBM(HumanBodyMode)-----------------------------------------------------------------------------------2kVMM(MachineMode)------------------------------------------------------------------------------------------200VRecommendedOperatingConditions(Note3)SupplyInputVoltage-----------------------------------------------------------------------------------------4Vto15VJunctionTemperatureRange---------------------------------------------------------------------------------40°Cto125°CAmbientTemperatureRange---------------------------------------------------------------------------------40°Cto85°CSY8101A/B/C/DSY8101Rev.0.93SilergyCorp.Confidential-preparedforCustomerUseOnly3ElectricalCharacteristics(VIN=12V,VOUT=2.5V,L=2.2uH,COUT=10uF,TA=25°C,IOUT=1Aunlessotherwisespecified)ParameterSymbolTestConditionsMinTypMaxUnitInputVoltageRangeVIN415VQuiescentCurrentIQIOUT=0,VFB=VREF×105%200μAShutdownCurrentISHDNEN=015μAFeedbackReferenceVoltageVREF0.5880.60.612VFBInputCurrentIFBVFB=VIN-5050nASY8101A0.3ΩSY8101B0.2ΩSY8101C0.15ΩTopFETRONRDS(ON)1SY8101D0.12ΩSY8101A0.2ΩSY8101B0.15ΩSY8101C0.12ΩBottomFETRONRDS(ON)2SY8101D0.09ΩSY8101A0.9ASY8101B1.3ASY8101C1.8ATopFETCurrentLimitILIMSY8101D2.4ALineRegulation∆VOUT/VOUTVIN=4V~15V,IOUT=0.2A0.20.5%LoadRegulation∆VOUT/VOUTIOUT=0.2to2A12%ENRisingThresholdVENH1.5VENFallingThresholdVENL0.4VInputUVLOThresholdVUVLO3.9VUVLOHysteresisVHYS0.3VOscillatorFrequencyFOSCIOUT=200mA0.4MHzMinONTime50nsMaxDutyCycle90%ThermalShutdownTemperatureTSD160°CNote1:Stresseslistedastheabove“AbsoluteMaximumRatings”maycausepermanentdamagetothedevice.Theseareforstressratings.Functionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedintheoperationalsectionsofthespecificationsisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayremainpossibilitytoaffectdevicereliabilit