reference125xx.com

TX78xxSeries500mALowPowerLDOWeb:Http://www.
ChipSourceTek.
comFAX:0755-27594792TEL:0755-27595155275951652935958329359586E-mail:InFo@ChipSourceTek.
comFeatureslLowvoltagedrop:0.
17V@100mAlHighinputvoltage:15VlLowtemperaturecoefficientlLargeOutputCurrent:>0.
5AlLowQuiescentCurrent:1.
5uAlOutputvoltageaccuracy:tolerance±2%lBuilt-incurrentlimiterlSOT89andSOT23-3packageApplicationslBattery-poweredequipmentlHand-HoldEquipmentlGRSReceiverslWirelessLANGeneralDescriptionTheTX78XXseriesisagroupofpositivevoltageoutput,three-pinregulators,thatprovideahighcurrentevenwhentheinput/outputvoltagedifferentialissmall.
LowpowerconsumptionandhighaccuracyisachievedthroughCMOSandlasertrimmingtechnologies.
TheTX78XXconsistsofahigh-precisionvoltagereference,anerroramplificationcircuit,andacurrentlimitedoutputdriver.
Transientresponsetoloadvariationshaveimprovedincomparisontotheexistingseries.
SOT89andSOT23-3packagesareavailable.
SelectionTablePartNo.
OutputVoltagePackageMarkingTX7828xx2.
8VTX7830xx3.
0VTX7833xx3.
3VTX7836xx3.
6VTX7850xx5.
0VSOT89SOT23-3OrderInformationTX78①②③④DesignatorSymbolDescription①②IntegerOutputVoltage(2.
1~5.
0V)PPackage:SOT89③MPackage:SOT23-3RRoHS/PbFree④GHalogenFreeNote:"①②"standsforoutputvoltages.
OthervoltagescanbespeciallycustomizedTX78xxSeries500mALowPowerLDOWeb:Http://www.
ChipSourceTek.
comFAX:0755-27594792TEL:0755-27595155275951652935958329359586E-mail:InFo@ChipSourceTek.
comBlockDiagramPinAssignmentAbsoluteMaximumRatingsSupplyVoltage0.
3Vto18VOperatingTemperature40℃to85℃StorageTemperature40℃to125℃Note:Thesearestressratingsonly.
Stressesexceedingtherangespecifiedunder"AbsoluteMaximumRatings"maycausesubstantialdamagetothedevice.
Functionaloperationofthisdeviceatotherconditionsbeyondthoselistedinthespecificationisnotimpliedandprolongedexposuretoextremeconditionsmayaffectdevicereliability.
TX78xxSeries500mALowPowerLDOWeb:Http://www.
ChipSourceTek.
comFAX:0755-27594792TEL:0755-27595155275951652935958329359586E-mail:InFo@ChipSourceTek.
comElectricalCharacteristicsTX78XXforanyoutputvoltage(Ta=25℃)ParameterSymbolConditionsMin.
Typ.
Max.
UnitOutputVoltageVoutVin=Vout+1V1.
0mA≤Iout≤30mAVout*0.
98--Vout*1.
02VOutputCurrent*1IoutVin-Vout=1V--500--mALowdropout*2VDROPRefertothenexttableLineRegulationOUTINOUTVVV1.
6V≤Vin≤8VIout=100mA--0.
050.
2%/VLoadRegulationVoutVin=Vout+1V1.
0mA≤Iout≤100mA--1230mVOutputvoltageTemperatureCoefficientTaVOUTIout=30mA0℃≤Ta≤70℃--±100--ppm/℃PSRRPSRRF=1KHzVin=Vout+1V--40--dBSupplyCurrentIss1----12uAInputVoltageVin15VElectricalCharacteristicsbyOutputVoltage:DropoutVoltageVdif(V)OutputVoltageVout(V)ConditionsTyp.
Max.
Vout≤2.
0VIout=60mA0.
10.
122.
00Iout=80mA0.
120.
143.
000.
160.
184.
00Iout=100mA0.
170.
183.
000.
210.
244.
00Iout=200mA0.
200.
223.
000.
70.
754.
00Iout=500mA0.
720.
76TX78xxSeries500mALowPowerLDOWeb:Http://www.
ChipSourceTek.
comFAX:0755-27594792TEL:0755-27595155275951652935958329359586E-mail:InFo@ChipSourceTek.
comTypicalApplicationNote1:InputcapacitorCIN=1uF.
Note2:OuputcapacitorCOUT=1uF/6.
8uF(1uFTantalumcapacitoror6.
8uFceramiccapacitorisrecommended).
PackageInformation3-pinSOT89OutlineDimensionsTX78xxSeries500mALowPowerLDOWeb:Http://www.
ChipSourceTek.
comFAX:0755-27594792TEL:0755-27595155275951652935958329359586E-mail:InFo@ChipSourceTek.
com3-pinSOT23-3OutlineDimensionsTX78xxSeries500mALowPowerLDOWeb:Http://www.
ChipSourceTek.
comFAX:0755-27594792TEL:0755-27595155275951652935958329359586E-mail:InFo@ChipSourceTek.
com