Transcription of TPS51200 Sink and Source DDR Termination …
1 VINPGOODSLP_S3 VTTREFVLDOINVTTVDDQC opyright 2016, Texas Instruments IncorporatedProductFolderOrderNowTechnic alDocumentsTools &SoftwareSupport &CommunityReferenceDesignAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand FEBRUARY2008 REVISEDNOVEMBER2016 TPS51200 Sink and SourceDDR TerminationRegulator11 Features1 and V to V Sinkand SourceTerminationRegulatorIncludesDroopC ompensation RequiresMinimumOutputCapacitanceof 20- F(Typically3 10- F MLCCs)for MemoryTerminationApplications(DDR) PGOODto MonitorOutputRegulation EN Input REFINI nputAllowsfor FlexibleInputTrackingEitherDirectlyor ThroughResistorDivider RemoteSensing(VOSNS) 10-mABufferedReference(REFOUT)
2 Built-inSoft Start,UVLO,and OCL ThermalShutdown SupportsDDR,DDR2,DDR3,DDR3L,Low-PowerDDR 3,and DDR4 VTT Applications 10-PinVSONP ackageWithThermalPad2 Applications MemoryTerminationRegulatorfor DDR,DDR2,DDR3,DDR3L,Low-PowerDDR3and DDR4 Notebooks,Desktops,and Servers Telecomand Datacom BaseStations LCD-TVsand PDP-TVs Copiersand Printers Set-TopBoxes3 DescriptionThe TPS51200deviceis a sinkand sourcedoubledatarate(DDR)terminationregu latorspecificallydesignedfor low inputvoltage,low-cost,low-noisesystemswh erespaceis a key fast transientresponseand requiresa minimumoutputcapacitanceof only20 F.
3 TheTPS51200supportsa remotesensingfunctionand all powerrequirementsfor DDR,DDR2,DDR3,DDR3L,Low-PowerDDR3andDDR4 VTTbus addition,the TPS51200providesan open-drainPGOOD signalto monitorthe outputregulationandan EN signalthatcan be usedto dischargeVTTduringS3 (suspendto RAM)for availablein the thermallyefficient10-pinVSON thermalpad package,and is ratedbothGreenand is specifiedfrom 40 C to +85 (1)PARTNUMBERPACKAGEBODYSIZE(NOM)TPS5120 0 VSON(10) (1) For all availablepackages,see the orderableaddendumatthe end of the FEBRUARY2008 : TPS51200 SubmitDocumentationFeedbackCopyright 2008 2016,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (September2016)to RevisionCPage Addedreferencesto AddedDDR3 Ltest conditionstoOutputDC voltage, UpdatedFigure16 to includeDDR3 Ldata.
4 9 ChangesfromRevisionA (September2015)to RevisionBPage Changed" 10 mA < IREFOUT< 10 mA" to " 1 mA < IREFOUT< 1 mA" in all test conditionsfor theREFOUT voltagetoleranceto Changedall MIN and MAXvaluesfrom"15" to "12" for all test conditionsfor UpdatedFigure19 ..11 AddedREFOUT(VREF) Considerationfor UpdatedFigure28 and (February2008)to RevisionAPage AddedPin Configurationand Functionssection,ESDR atingtable,FeatureDescriptionsection,Dev iceFunctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and Changed PowerPAD referencesto thermalpad FEBRUARY2008 REVISEDNOVEMBER2016 ProductFolderLinks.
5 TPS51200 SubmitDocumentationFeedbackCopyright 2008 2016,TexasInstrumentsIncorporated(1)I = Input,O = Output, G = Ground(2)Thermalpad Figure35 in theThermalDesignConsiderationssectionfor Pin Configurationand FunctionsDRCP ackage10-PinVSONTop ViewPin FunctionsPINI/O(1) DDRVTT application,connectEN to any otherapplication,use the EN pin as the (2)4 GPowergroundfor the , F ceramicdecouplingcapacitorwith a valuebetween1- F and F is the the the positiveterminalof the outputcapacitoror the FEBRUARY2008 : TPS51200 SubmitDocumentationFeedbackCopyright 2008 2016,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.
6 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevaluesare with respectto the (unlessotherwisenoted)(1)MINMAXUNITI nputvoltage(2)REFIN,VIN,VLDOIN,VOSNS GND (2)REFOUT,VO ,TJ 40150 CStoragetemperature,Tstg 55150 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) (unlessotherwisenoted) , VLDOIN,VOSNS ,VO ,TA 4085 C(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, (1) TPS51200 UNITDRC(VSON)10 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)Junction-to-case(bottom)
7 FEBRUARY2008 REVISEDNOVEMBER2016 ProductFolderLinks: TPS51200 SubmitDocumentationFeedbackCopyright 2008 2016,TexasInstrumentsIncorporated(1)Ensu redby ,VVIN= V, VVLDOIN= V, VREFIN= V, VVOSNS= V, VEN= VVIN, COUT= 3 10 F and circuitshownin Figure24. (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITSUPPLYCURRENTIINS upplycurrentTA= 25 C, VEN= V, No (SDN)ShutdowncurrentTA= 25 C, VEN= 0 V, VREFIN= 0,No Load6580 ATA= 25 C, VEN= 0 V, VREFIN> V, NoLoad200400 ILDOINS upplycurrentof VLDOINTA= 25 C, VEN= V, No Load150 AILDOIN(SDN)Shutdowncurrentof VLDOINTA= 25 C, VEN= 0 V, No AINPUTCURRENTIREFINI nputcurrent,REFINVEN= V1 AVO OUTPUTVVOSNSO utputDC voltage,VOVREFOUT= (DDR1),IO= 0 1515mVVREFOUT= V (DDR2),IO= 0 1515mVVREFOUT= (DDR3),IO= 0 1515mVVREFOUT= (DDR3L)
8 ,IO= 0 1515mVVREFOUT= V (DDR4),IO= 0 1515mVVVOTOLO utputvoltagetoleranceto REFOUT 2 A < IVO< 2 A 2525mVIVOSRCLVO sourcecurrentLimitWithreferenceto REFOUT,VOSNS= 90% sink currentLimitWithreferenceto REFOUT,VOSNS= 110% ,VOVREFIN= 0 V, VVO= V, VEN= 0 V, TA= 25 C1825 POWERGOODCOMPARATORVTH(PG)VO PGOOD thresholdPGOOD windowlowerthresholdwithrespectto REFOUT 20% ,VOSNS within15%of REFOUT2msVPGOODLOWO utputlow voltageISINK= 4 delayVOSNSis outsideof the 20%PGOOD window10 sIPGOODLKL eakagecurrent(1)VOSNS= VREFIN(PGOOD highimpedance),VPGOOD= VVIN+ V1 FEBRUARY2008 : TPS51200 SubmitDocumentationFeedbackCopyright 2008 2016,TexasInstrumentsIncorporatedElectri calCharacteristics(continued)Overrecomme ndedfree-airtemperaturerange,VVIN= V, VVLDOIN= V, VREFIN= V, VVOSNS= V, VEN= VVIN, COUT= 3 10 F and circuitshownin Figure24.
9 (unlessotherwisenoted)PARAMETERTESTCONDI TIONSMINTYPMAXUNITVREFOUTTOLREFOUT voltagetoleranceto VREFIN 1 mA < IREFOUT< 1 mA,VREFIN= 1212mV 1 mA < IREFOUT< 1 mA,VREFIN= V 1212 1 mA < IREFOUT< 1 mA,VREFIN= 1212 1 mA < IREFOUT< 1 mA,VREFIN= 1212 1 mA < IREFOUT< 1 mA,VREFIN= V 1212 IREFOUTSRCLREFOUT sourcecurrentlimitVREFOUT= 0 V1040mAIREFOUTSNCLREFOUT sink currentlimitVREFOUT= 0 V1040mAUVLOANDEN LOGICTHRESHOLDVVINUVVINUVLO thresholdWakeup, TA= 25 , TA= 25 C 11 ATHERMALSHUTDOWNTSONT hermalshutdownthreshold(1)Shutdowntemper ature150 CHysteresis251 2 10 3 Output Current (A)550570590610630650670 Output Voltage (mV)320 C25 C85 C 40 CTA1 2 10 3 Output Current (A) Voltage (V) C25 C85 C 40 CTA1 2 10 3 Output Current (A)700710730740760780790 Output Voltage (mV)320 C25 C85 C 40 CTA770750720 Output Current (mA) 3 2 1012640650660670680690700710720 Output Voltage (mV)3TA 40 C0 C25 C85 C1 2 10 3 Output Current (A) Voltage (V)320 C25 C85 C 40 CTA1 2 10 3 Output Current (A)880890900910920930940 Output Voltage (mV)320 C25 C85 C 40 FEBRUARY2008 REVISEDNOVEMBER2016 ProductFolderLinks.
10 TPS51200 SubmitDocumentationFeedbackCopyright 2008 2016, 10-mFMLCCs(0805)are usedon the outputVVIN= VDDRF igure1. LoadRegulationVVIN= VDDR2 Figure2. LoadRegulationVVIN= VDDR3 Figure3. LoadRegulationVVIN= VDDR3 LFigure4. LoadRegulationVVIN= VLP DDR3or DDR4 Figure5. LoadRegulationVVIN= VDDRF igure6. LoadRegulation5 10 50 15 REFOUT Output Current (mA) Voltage (V) C85 C 40 CTA5 10 50 15 REFOUT Output Current (mA)897899900902904905 Output Voltage (mV)151089890190325 C85 C 40 CTA1 2 10 3 Output Current (A)500550600650700750 Output Voltage (mV)320 C25 C85 C 40 CTAO utput Current (mA) 3 2 1012620630640650660670680690700710720TA 40 C0 C25 C85 C3 Output Voltage (mV)1 2 10 3 Output Current (A) Voltage (V) C25 C85 C 40 CTA1 2 10 3 Output Current (A)650675700725825800 Output Voltage (mV)327500 C25 C85 C 40 CTA8 TPS51200 SLUS812C FEBRUARY2008.
