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Partno	Mfg	Dc	Qty	Available	Descript
TLE4275G	INF	N/a	28	avai	5-V Low-Drop Voltage Regulator
TLE4275S	INFINEON	N/a	100	avai	5-V Low-Drop Voltage Regulator

TLE4275S ,5-V Low-Drop Voltage Regulator5-V Low-Drop Voltage Regulator TLE 4275
TLE4276DV ,Low-Drop Voltage RegulatorLow-Drop Voltage Regulator TLE 4276
TLE4276DV50 ,Low-Drop Voltage RegulatorFeatures• 5 V, 8.5 V, 10 V or variable output voltage Output voltage tolerance 

TLE4275G-TLE4275S
5-V Low-Drop Voltage Regulator
5-VLow-DropVoltageRegulatorTLE4275
FeaturesOutputvoltage5V±2%VerylowcurrentconsumptionPower-onandundervoltageresetResetlowdowntoVQ=1VVerylow-dropvoltageShort-circuit-proofReversepolarityproofSuitableforuseinautomotiveelectronicsESDprotection>4kVNewtype
FunctionalDescription
TheTLE4275isamonolithicintegratedlow-drop
voltageregulatorina5pinTO-package.Aninput
voltageupto45VisregulatedtoVQ,nom=5.0V.TheICabletodriveloadsupto450mAandisshort-circuit
proof.AtovertemperaturetheTLE4275isturnedofftheincorporatedtemperatureprotection.Areset
signalisgeneratedforanoutputvoltageVQ,rtoftyp.
4.65V.Thedelaytimecanbeprogrammedbythe
externaldelaycapacitor.
DimensioningInformationonExternalComponents
TheinputcapacitorCIisnecessaryforcompensationoflineinfluences.Usingaresistorapprox.1ΩinserieswithCI,theoscillatingofinputinductivityandinputcapacitance
canbedamped.TheoutputcapacitorCQisnecessaryforthestabilityoftheregulation
circuit.StabilityisguaranteedatvaluesCQ≥22μFandanESRof≤5Ωwithinthe
operatingtemperaturerange.
CircuitDescription
Thecontrolamplifiercomparesareferencevoltagetoavoltagethatisproportionaltothe
outputvoltageanddrivesthebaseoftheseriestransistorviaabuffer.Saturationcontrolafunctionoftheloadcurrentpreventsanyoversaturationofthepowerelement.Thealsoincorporatesanumberofinternalcircuitsforprotectionagainst:OverloadOver-temperatureReversepolarity
Figure1PinConfiguration(topview)
PinDefinitionsandFunctions
Figure2BlockDiagram
Note:Maximumratingsareabsoluteratings;exceedinganyoneofthesevaluesmay
causeirreversibledamagetotheintegratedcircuit.
AbsoluteMaximumRatings
VoltageRegulator
Input
Output
ResetOutput
ResetDelay
Temperature
OperatingRange
ThermalResistanceWorstcase,regardingpeaktemperature;zeroairflow;mountedonaPCBFR4,80×80×1.5mm3,heatsink
area300mm2
Characteristics=13.5V;–40°C
Output
ResetTimingDandOutputROMeasuredwhentheoutputvoltageVQhasdropped100mVfromthenominalvalueobtainedatVI=13.5V.
Characteristics(cont’d)=13.5V;–40°CFigure3TestCircuit
Figure4ResetTiming

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