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LP5907 250-mA, Ultra-Low-Noise, Low-I LDO

ENINOUTGND1 PF1 PFINPUTENABLEGNDOUTPUTLP5907 ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand APRIL2012 REVISEDAPRIL2018LP5907250-mA,Ultra-Low-N oise,Low-IQLDO11 Features1 V to V V to V StableWith1- F CeramicInputand OutputCapacitors No NoiseBypassCapacitorRequired RemoteOutputCapacitorPlacement Thermal-Overloadand Short-CircuitProtection 40 C to 125 C OperatingJunctionTemperature Low OutputVoltageNoise:< VRMS PSRR:82 dB at 1 kHz OutputVoltageTolerance: 2% VeryLow IQ(Enabled):12 A Low Dropout:120 mV (typical) Createa CustomDesignUsingthe LP5907 Withthe WEBENCH PowerDesigner2 Applications MobilePhones,Tab

The LP5907 is a low-noise LDO that can supply up to 250 mA output current. Designed to meet the requirements of RF and analog circuits, the LP5907 device provides low noise, high PSRR, low quiescent current, and low line or load transient response figures. Using new innovative design techniques, the LP5907 offers class-leading noise performance

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Transcription of LP5907 250-mA, Ultra-Low-Noise, Low-I LDO

1 ENINOUTGND1 PF1 PFINPUTENABLEGNDOUTPUTLP5907 ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand APRIL2012 REVISEDAPRIL2018LP5907250-mA,Ultra-Low-N oise,Low-IQLDO11 Features1 V to V V to V StableWith1- F CeramicInputand OutputCapacitors No NoiseBypassCapacitorRequired RemoteOutputCapacitorPlacement Thermal-Overloadand Short-CircuitProtection 40 C to 125 C OperatingJunctionTemperature Low OutputVoltageNoise:< VRMS PSRR:82 dB at 1 kHz OutputVoltageTolerance: 2% VeryLow IQ(Enabled):12 A Low Dropout.

2 120 mV (typical) Createa CustomDesignUsingthe LP5907 Withthe WEBENCH PowerDesigner2 Applications MobilePhones,Tablets DigitalCamerasand AudioDevices Portableand Battery-PoweredEquipment PortableMedicalEquipment SmartMetersand FieldTransmitters RF, PLL,VCO,and ClockPowerSupplies IP Cameras Drones3 DescriptionThe LP5907is a low-noiseLDOthat can supplyup meettherequirementsof RF and analogcircuits,the LP5907deviceprovideslow noise,highPSRR,low quiescentcurrent,andlowlineor innovativedesigntechniques,theLP5907offe rsclass-leadingnoiseperformancewithouta noisebypasscapacitorand the deviceis designedto workwith a 1- F inputanda 1- F outputceramiccapacitor(no separatenoisebypasscapacitoris required).

3 Thisdeviceis V to V in (1)PARTNUMBERPACKAGEBODYSIZELP5907 DSBGA(4) (MAX)SOT-23(5) (NOM)X2 SON(4) (NOM)(1) For all availablepackages,see the orderableaddendumatthe end of the APRIL2012 : LP5907 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (January2018)to RevisionNPage AddedOvershooton start-upwith ENrow (August2016)to RevisionMPage Addedlinksfor (May2016)to RevisionLPage Changedtitle of datasheetand updatedlist ofApplicationsand wordingof 1st Changed"10 VRMS" to " VRMS".

4 1 ChangesfromRevisionJ (March2016)to RevisionKPage Changed"LinearRegulator" to "LDO" in title and first sentenceof (August2015)to RevisionJPage ChangedVOUTmin and max valuesand VENmin valuein Abs Max tableand VENrow of ROCtableto correctformaterrors;replacetext of footnote2 of Abs Max (November2014)to RevisionIPage Addedicon for referencedesignto Top Navsand " VOUTvs Temperature" ChangedStorageTemperaturetoAbs Maxtable; Deleted"VOUT V" fromfirst row of APRIL2012 REVISEDAPRIL2018 ProductFolderLinks: LP5907 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated Added"SOT-23,X2 SONpackages" to secondrow of (October2013)to RevisionHPage AddedDeviceInformationandHandlingRatingt ables,FeatureDescription,DeviceFunctiona lModes,Applicationand Implementation,PowerSupplyRecommendation s,Layout,Deviceand DocumentationSupport, andMechanical,Packaging,and OrderableInformationsections.

5 OUT1234 GNDINEN5N/C12354 ENGND INOUTB2B1A2A1 OUTGNDINENB2B1A2A1 OUTGNDINENTOP VIEWBOTTOM VIEW4LP5907 SNVS798N APRIL2012 : LP5907 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsYKEand YKMP ackages4-PinDSBGAPin Functions: 1- F capacitorat this minimum1- F low-ESRcapacitorto this pin. Connectthis outputto the load internal230- (typical)pulldownresistorpreventsa chargeremainingon VOUT whenthe regulatoris in the shutdownmode(VENlow). low voltage(< VIL) on this pin turnsthe regulatoroff and dischargestheoutputpin to GNDthroughan internal230- high voltage(> VIH) on thispin enablesthe pin has an internal1-M pulldownresistorto hold theregulatoroff by CommongroundDQNP ackage4-PinX2 SONB ottomViewDBVP ackage5-PinSOT-23 Top ViewPin Functions:X2 SON,SOT-23 1- F capacitorat this minimum1- F low-ESRcapacitorto thispin.

6 Connectthis outputto the load internal230- (typical)pulldownresistorpreventsa chargeremainingon VOUT whenthe regulatoris in theshutdownmode(VENlow). low voltage(< VIL) on this pin turnsthe regulatoroff anddischargesthe outputpin to GNDthroughan internal230- voltage(> VIH) on this pin enablesthe pin has aninternal1-M pulldownresistorto hold the regulatoroff by CommongroundN/C 4 No Thermalpad for X2 SONpackage,connectto GNDor notconnectto any APRIL2012 REVISEDAPRIL2018 ProductFolderLinks: LP5907 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.

7 (2)All voltagesare with respectto the GNDpin.(3)Abs Max VOUTis the lessorof VIN+ V, or 6 V.(4)Internalthermalshutdowncircuitrypro tectsthe (unlessotherwisenoted)(1)(2)MINMAXUNITVI NI nputvoltage (3)VENE nableinputvoltage (4)InternallyLimitedWTJMAXJ unctiontemperature150 CTstgStoragetemperature 65150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHuman-bodymod el(HBM),per ANSI/ESDA/JEDECJS-001(1) 2000 VCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101(2) 1000(1)StressesbeyondthoselistedunderAbs oluteMaximumRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.

8 (2)All voltagesare with respectto the GNDpin.(3)In applicationswherehigh powerdissipationand/orpoorpackagethermal resistanceis present,the maximumambienttemperaturemayhaveto be (TA-MAX) is dependenton the maximumoperatingjunctiontemperature(TJ-M AX-OP=125 C), the maximumpowerdissipationof the devicein the application(PD-MAX), and the junction-toambientthermalresistanceof thepart/packagein the application(R JA), as givenby the followingequation:TA-MAX= TJ-MAX-OP (R JA PD-MAX). (unlessotherwisenoted)(1)(2) 40125 CTAA mbienttemperature(3) 4085 C6LP5907 SNVS798N APRIL2012 : LP5907 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC (1) LP5907 UNITDBV(SOT-23)DQN(X2 SON)YKE(DSBGA)YKM(DSBGA)5 PINS4 PINS4 PINS4 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)Junction-to-case(bottom) C/W(1)All voltagesare with respectto the deviceGNDterminal,unlessotherwisestated.

9 (2)Minimumand maximumlimitsare ensuredthroughtest, design,or statisticalcorrelationoverthe junctiontemperature(TJ) rangeof 40 C to 125 C, mostlikelyparametricnormat TA= 25 C, and are providedforreferencepurposesonly.(3)In applicationswherehigh powerdissipationand/orpoorpackagethermal resistanceis present,the maximumambienttemperaturemayhaveto be (TA-MAX) is dependenton the maximumoperatingjunctiontemperature(TJ-M AX-OP=125 C), the maximumpowerdissipationof the devicein the application(PD-MAX), and the junction-toambientthermalresistanceof thepart/packagein the applicationR JA), as givenby the followingequation:TA-MAX= TJ-MAX-OP (R JA PD-MAX).

10 SeeApplicationandImplementation.(4)The devicemaintainsa stable,regulatedoutputvoltagewithouta load current.(5)Quiescentcurrentis definedhereas the differencein currentbetweenthe inputvoltagesourceand the load at VOUT.(6)Groundcurrentis definedhereas the total currentflowingto groundas a resultof all inputvoltagesappliedto the device.(7)Dropoutvoltageis the voltagedifferencebetweenthe inputand the outputat whichthe outputvoltagedropsto 100 mV belowitsnominalvalue.(8)Short-circuitcur rent(ISC) for the LP5907is equivalentto minimizethermaleffectsduringtesting,ISCi s measuredwithVOUT pulledto 100 mV belowits VOUT(NOM)+ 1 V, VEN= V, IOUT= 1 mA, CIN= 1 F, COUT= 1 F (unlessotherwisenoted)(1)(2)(3)PARAMETER TESTCONDITIONSMINTYPMAXUNITVINI nputvoltageTA= 25 VOUTO utputvoltagetoleranceVIN= (VOUT(NOM)+ 1 V) to V,IOUT= 1 mA to 250 mA 22%VOUTVIN= (VOUT(NOM)+ 1 V) to