升压芯片 ME2101

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1、ME2101SeriesVer02ME2101SeriesStep-upDC-DCConverterME2101SeriesisaPWMStep-upDC/DCFeaturesconverterICwithlowsupplycurrentbyCMOSprocess.Highfrequencynoisethatoccursduring•Smallnumberofexternalcomponents:onlyswitchingisreducedbyusingadvancedcircuitaninductor,adiodeandacapacitor；designed,outp

2、utvoltageisprogrammablein•Lowrippleandlownoise；0.1Vstepsbetween2.0~5.0Vandmaximum•Operatingvoltagerange：0.9V~6.5V；frequencyis100KHz(Typ.).Alowripple,highefficiencystep-upDC/DCconvertercanbe•Outputvoltagerange：2.0V~5.0V(step0.1V)；constructedofME2101AxxXwithonlythree•Outputvoltageaccuracy：

3、±2.5%；externalcomponents.Alsoavailableisa•OutputCurrent：ifVin=3.0VandVout=3.3V，thenCE(chipenable)functionthatreducepowerdissipationDuringshut-downmode.,andanIout=350mA；independentVddpinfunction(separatedpower•Lowstartvoltage：≤0.9V(atIout=1mA)；supplyandvoltagedetectpins)forfly-back•Maximu

4、moscillatorfrequency：100KHz(Typ.)；circuits.Aninnersoft-startcircuitlimitscurrentsurgesfrominputpowersupplyatstartupand•HighEfficiency：87%(Type)；thereliabilityofthechipisimproved.•Slow-StartTime：15mS(Type)；ME2101XxxXissuitableforusewith•PACKAGE：SOT-23，SOT-89.battery-poweredinstrumentswith

5、lownoiseandlowsupplycurrent.ApplicationsSelectionGuide•Powersourceforbattery-poweredequipment；ME2101AxxX•Powersourceforwirelessmouse,PackageP–SOT89wirelesskeyboard,toys,cameras,M–SOT23camcorders,VCRs,PDAs,andFeatureCode27–2.7Vhand-heldcommunicationequipment；30–3.0V33–3.3•Powersourceforap

6、plianceswhich50–5.0V…...requirehighercellvoltagethanthatofVersionorFunctionbatteriesusedintheappliances。ProductTypeProductSeriesMicroneSWITCHINGCETYPEPOSTFIXPACKAGEFEATURESTRANSISTORFUNCTIONMSOT-23-3Build_inME2101AxxNoLxPSOT-89-3TransistorMSOT-23-3ExtemalME2101BxxNoExtPSOT-89-3Transistor

7、MSOT-23-5Build_inME2101CxxYesLx+CEPSOT-89-5TransistorMSOT-23-5ExtemalME2101DxxYesExt+CEPSOT-89-5Transistor1(10)ME2101SeriesVer02PinConfigurationPinAssignmentME2101AxxPINNumberPINFUNCTIONSOT-23-3SOT-89-3NAME11VssGround32VoutOutputvoltagemonitor,ICinternalpowersupply23LxSwi