LM1117800-mA,Low-DropoutLinearRegulator
1Features
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3Description
TheLM1117isalowdropoutvoltageregulatorwithadropoutof1.2Vat800mAofloadcurrent.
TheLM1117isavailableinanadjustableversion,whichcansettheoutputvoltagefrom1.25to13.8Vwithonlytwoexternalresistors.Inaddition,itisavailableinfivefixedvoltages,1.8V,2.5V,3.3V,and5V.
TheLM1117offerscurrentlimitingandthermalshutdown.ItscircuitincludesaZenertrimmedbandgapreferencetoassureoutputvoltageaccuracytowithin±1%.
Aminimumof10-μFtantalumcapacitorisrequiredattheoutputtoimprovethetransientresponseandstability.
DeviceInformation(1)
PARTNUMBER
PACKAGESOT-223(4)TO-220(3)
LM1117,LM1117I
TO-252(3)WSON(8)TO-263(3)
BODYSIZE(NOM)6.50mm×3.50mm14.986mm×10.16mm6.58mm×6.10mm4.00mm×4.00mm10.18mm×8.41mm
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Foranewerdrop-inalternative,seetheTLV1117Availablein1.8V,2.5V,3.3V,5V,andAdjustableVersions
Space-savingSOT-223andWSONpackagesCurrentlimitingandthermalprotectionOutputcurrent:800mA
Lineregulation:0.2%(maximum)Loadregulation:0.4%(maximum)Temperaturerange:
–LM1117:0°Cto125°C–LM1117I:?40°Cto125°C
2Applications
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ACdrivepowerstagemodulesMerchantnetworkandserverPSUIndustrialAC/DCUltrasoundscanners
Servodrivecontrolmodules
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
AdjustableOutputRegulator
LM1117
SNOS412O–FEBRUARY2000–REVISEDJUNE2020
6PinConfigurationandFunctions
DCYPackage4-PinSOTTopView
KTTPackage3-PinTO-263TopView
NDEPackage3-PinTO-220TopView
NDPPackage3-PinTO-252TopView
NGNPackage8-PinWSONTopView
ADJ/GND18NOT CONNECTED
VINVINVIN
2
VOUT
3
7
VOUTVOUTVOUT
6
45
WhenusingtheWSONpackage
Pins2,3and4mustbeconnectedtogetherandPins5,6and7mustbeconnectedtogether
PinFunctions
PIN
NAMEADJ/GNDVINVOUT
TO-252132,TAB
WSON12,3,45,6,7,TAB
SOT-223
132,4
TO-263132,TAB
TO-220132,TAB
I/O—IO
DESCRIPTION
Adjustpinforadjustableoutputoption.Groundpinforfixedoutputoption.
InputvoltagepinfortheregulatorOutputvoltagepinfortheregulator
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LM1117
SNOS412O–FEBRUARY2000–REVISEDJUNE2020
7Specifications
7.1AbsoluteMaximumRatings
overoperatingfree-airtemperaturerange(unlessotherwisenoted)(1)
MIN
MaximumInputVoltage(VINtoGND)PowerDissipation(2)
JunctionTemperature(TJ)(2)StorageTemperature,Tstg(1)(2)
–65
MAX20
InternallyLimited
150150
°C°CUNITV
StressesbeyondthoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamagetothedevice.Thesearestressratingsonly,whichdonotimplyfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderRecommendedOperatingConditions.Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
ThemaximumpowerdissipationisafunctionofTJ(max),RθJA,andTA.ThemaximumallowablepowerdissipationatanyambienttemperatureisPD=(TJ(max)–TA)/RθJA.AllnumbersapplyforpackagessoldereddirectlyintoaPCB.
7.2ESDRatings
VALUE
V(ESD)(1)
Electrostaticdischarge
Human-bodymodel(HBM),perANSI/ESDA/JEDECJS-001(1)
±2000
UNITV
JEDECdocumentJEP155statesthat500-VHBMallowssafemanufacturingwithastandardESDcontrolprocess.Pinslistedas±2000Vmayactuallyhavehigherperformance.
7.3RecommendedOperatingConditions
overoperatingfree-airtemperaturerange(unlessotherwisenoted)
MIN
InputVoltage(VINtoGND)JunctionTemperature(TJ)(1)(1)
LM1117LM1117I
0?40
MAX15125125
UNITV°C
ThemaximumpowerdissipationisafunctionofTJ(max),RθJA,andTA.ThemaximumallowablepowerdissipationatanyambienttemperatureisPD=(TJ(max)–TA)/RθJA.AllnumbersapplyforpackagessoldereddirectlyintoaPCB.
7.4ThermalInformation
LM1117,LM1117I
THERMALMETRIC(1)
DCY(SOT-223)4PINS
RθJARθJC(top)RθJBψJTψJBRθJC(bot)
Junction-to-ambientthermalresistanceJunction-to-case(top)thermalresistanceJunction-to-boardthermalresistanceJunction-to-topcharacterizationparameterJunction-to-boardcharacterizationparameterJunction-to-case(bottom)thermalresistance
61.642.510.42.910.3—
NDE(TO-220)3PINS23.816.65.33.15.31.5
NDP(TO-252)3PINS45.152.129.84.529.41.3
NGN(WSON)8PINS39.331.416.50.316.75.6
KTT(TO-263)3PINS41.344.124.210.923.21.3
°C/W°C/W°C/W°C/W°C/W°C/WUNIT
(1)
Formoreinformationabouttraditionalandnewthermalmetrics,seetheSemiconductorandICpackagethermalmetricsapplicationreport.
7.5LM1117ElectricalCharacteristics
unlessotherwisespecified,TJ=25°C.
PARAMETER
TESTCONDITIONS
LM1117-ADJ
IOUT=10mA,VIN–VOUT=2V,TJ=25°C
VREF
ReferenceVoltage
LM1117-ADJ
10mA≤IOUT≤800mA,1.4V≤VIN–VOUT≤10V
TJ=25°C
overthejunctiontemperaturerange0°Cto125°C
1.225MIN(1)1.238
TYP(2)1.251.25
1.27MAX(1)1.262
VUNIT
(1)(2)Alllimitsareensuredbytestingorstatisticalanalysis.
TypicalValuesrepresentthemostlikelyparametricnormal.
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LM1117
SNOS412O–FEBRUARY2000–REVISEDJUNE2020
LM1117IElectricalCharacteristics(continued)
unlessotherwisespecified,TJ=25°C.
PARAMETER
TESTCONDITIONS
TJ=25°C
IOUT=100mA
overthejunctiontemperaturerange–40°Cto125°CTJ=25°C
VIN-V
OUT
MIN(1)TYP(2)
1.1
MAX(1)
UNIT
1.3
1.15
1.35
1.2
1.4
800
12001.7
5
5
15
5
15
0.01
0.11500
V
DropoutVoltage(4)
IOUT=500mA
overthejunctiontemperaturerange–40°Cto125°CTJ=25°Coverthejunctiontemperaturerange–40°Cto125°CTJ=25°C
V
IOUT=800mA
ILIMIT
CurrentLimitMinimumLoadCurrent(5)
VIN–VOUT=5V,TJ=25°CLM1117I-ADJVIN=15V
V
mA
overthejunctiontemperaturerange–40°Cto125°CTJ=25°Coverthejunctiontemperaturerange–40°Cto125°CTJ=25°Coverthejunctiontemperaturerange–40°Cto125°CTJ=25°C
75
60
60
mA
LM1117I-3.3VIN≤15V
QuiescentCurrent
LM1117I-5.0VIN≤15V
ThermalRegulationTA=25°C,30msPulseRippleRegulation
fRIPPLE=120Hz,VIN–VOUT=3VVRIPPLE=1VPPTJ=25°C
mA
mA
%/W
overthejunctiontemperaturerange–40°Cto125°C
dB
AdjustPinCurrent
overthejunctiontemperaturerange–40°Cto125°C
TJ=25°C
0.2
10≤IOUT≤800mA,
1.4V≤VIN–VOUT≤10V
overthejunctiontemperaturerange–40°Cto125°C
0.5%0.3%0.003%
120
μA
AdjustPinCurrentChangeTemperatureStability
10
μA
LongTermStabilityTA=125°C,1000HrsRMSOutputNoise
(4)(5)
(%ofVOUT),10Hz≤f≤10kHz
Thedropoutvoltageistheinput/outputdifferentialatwhichthecircuitceasestoregulateagainstfurtherreductionininputvoltage.Itismeasuredwhentheoutputvoltagehasdropped100mVfromthenominalvalueobtainedatVIN=VOUT+1.5V.Theminimumoutputcurrentrequiredtomaintainregulation.
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LM1117
SNOS412O–FEBRUARY2000–REVISEDJUNE2020
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