7800系列1a三端稳压器英文数据手册

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1、(DataSheet:www.DataSheet4U.com)OrderthisdocumentbyMC7800/DMC7800SeriesTHREE–TERMINALThree-TerminalPositivePOSITIVEFIXEDVoltageRegulatorsVOLTAGEREGULATORSThesevoltageregulatorsaremonolithicintegratedcircuitsdesignedasSEMICONDUCTORfixed–voltageregulatorsforaw

2、idevarietyofapplicationsincludinglocal,TECHNICALDATAon–cardregulation.Theseregulatorsemployinternalcurrentlimiting,thermalshutdown,andsafe–areacompensation.Withadequateheatsinkingtheycandeliveroutputcurrentsinexcessof1.0A.Althoughdesignedprimarilyasafixedvo

3、ltageregulator,thesedevicescanbeusedwithexternalcomponentstoobtainadjustablevoltagesandcurrents.·TSUFFIXOutputCurrentinExcessof1.0APLASTICPACKAGE·NoExternalComponentsRequiredCASE221A·InternalThermalOverloadProtectionHeatsinksurface·InternalShortCircuitCurre

4、ntLimitingconnectedtoPin2.·OutputTransistorSafe–AreaCompensation1·2OutputVoltageOfferedin2%and4%Tolerance3·AvailableinSurfaceMountD2PAKandStandard3–LeadTransistorPackagesPin1.Input2.Ground3.OutputD2TSUFFIXPLASTICPACKAGECASE936(D2PAK)213Heatsinksurface(shown

5、asterminal4incaseoutlinedrawing)isconnectedtoPin2.STANDARDAPPLICATIONDEVICETYPE/NOMINALOUTPUTVOLTAGEMC78055.0VMC781212VInputMC78XXOutputMC78066.0VMC781515VMC78088.0VMC781818VCin*CO**0.33mFMC78099.0VMC782424VORDERINGINFORMATIONAcommongroundisrequiredbetweent

6、heinputandtheoutputvoltages.TheinputvoltagemustOutputVoltageTestedOperatingremaintypically2.0VabovetheoutputvoltageDeviceToleranceTemperatureRangePackageevenduringthelowpointontheinputripplevoltage.MC78XXACTInsertionMount2%XX,thesetwodigitsofthetypenumberMC

7、78XXACD2TSurfaceMountTJ=0°to+125°Cindicatenominalvoltage.MC78XXCTInsertionMount**CinisrequiredifregulatorislocatedanMC78XXCD2TSurfaceMountappreciabledistancefrompowersupply4%filter.MC78XXBTInsertionMount**COisnotneededforstability;however,TJ=–40°to+125°CMC7

8、8XXBD2TSurfaceMountitdoesimprovetransientresponse.Valuesoflessthan0.1mFcouldcauseinstability.XXindicatesnominalvoltage.www.DataSheet4U.comãMotorola,Inc.1995Rev4www.DataSheet4U.comMOTOROLAANALOGICDEVICE