COMPLETE DDR2, DDR3 AND DDR3L MEMORY POWER …

1 121716615141311V5 INTPS51216S3S5 VREFVBSTDRVHSWDRVL810 REFINPGND719 GNDMODE18 NOVEMBER2010 REVISEDAPRIL2013 CompleteDDR2,DDR3andDDR3 LMemoryPowerSolutionSynchronousBuckContr oller,2-ALDO,BufferedReferenceCheckforSa mples:TPS512161 FEATURESDESCRIPTIONTheTPS51216providesa completepowersupplyfor2 SynchronousBuckController(VDDQ) DDR2, ddr3 andDDR3 Lmemorysystemsinthe ConversionVoltageRange:3 V integratesa (VDDQ)witha2-Asink/sourcetrackingLDO(VTT )andbufferedlow (VTTREF).TheTPS51216employs D-CAP ModeforFastTransientResponseD-CAP modecoupledwith300kHz/400kHz Selectable300 ,whichprovides2- OptimizedEfficiencyatLightandHeavyA sink/sourcepeakcurrentcapabilities,requi resonlyLoadswithAuto-skipFunction10- ,a SupportsSoft-OffinS4/S5 StatesdedicatedLDOsupplyinputis available.

2 OCL/OVP/UVP/UVLOP rotectionsTheTPS51216providesrichusefulf unctionsaswell supports 2-ALDO(VTT),BufferedReference(VTTREF)fle xiblepowerstatecontrol,placingVTTathigh- ZinS3anddischargingVDDQ,VTTandVTTREF(sof t- 2-A(Peak)SinkandSourceCurrentoff)inS4 RequiresOnly10- F ofCeramicOutputMOSFETRDS(on)sensing,OVP/ UVP/UVLOandCapacitancethermalshutdownpro tectionsarealsoavailable. Buffered,LowNoise,10-mAVTTREFTheTPS51216 isavailableina 20-pin,3 mm 3 Outputmm,QFNpackageandisspecifiedforambi ent ,20-mVVTTA ccuracytemperaturefrom 40 C to85 C. SupportHigh-ZinS3andSoft-OffinS4/S5 ThermalShutdown 20-Pin,3 mm 3 mm,QFNP ackageAPPLICATIONS ddr2 / ddr3 / ddr3 LMemoryPowerSupplies SSTL_18,SSTL_15,SSTL_135andHSTLT ermination1 Pleasebeawarethatanimportantnoticeconcer ningavailability,standardwarranty,anduse in a 2010 2013, NOVEMBER2010 (1)ORDERABLEDEVICEOUTPUTMINIMUMTAPACKAGE PINSNUMBERSUPPLYQUANTITYTPS51216 RUKRT apeandreel3000 40 C to85 CPlasticQuadFlatPack(20pinQFN)20 TPS51216 RUKTM inireel250(1)

3 Forthemostcurrentpackageandorderinginfor mationseethePackageOptionAddendumattheen dofthisdocument, (1)overoperatingfree-airtemperaturerange (unlessotherwisenoted)VALUEUNITMINMAXVBS T (3) 530 Inputvoltagerange(2)VLDOIN,VDDQSNS,REFIN ,VTTGND ,S3,S5,TRIP,MODE 536 DRVH(3) (3)(dutycycle< 1%) ,VREF (2)VVTT (dutycycle< 1%) ,TJ125 CStoragetemperaturerange,TSTG 55150 C(1) (2)Allvoltagevaluesarewithrespecttothene tworkgroundterminalunlessotherwisenoted. (3) (20)PINS JCtopJunction-to-case(top) C/W JCbotJunction-to-case(bottom) 2010 2013, NOVEMBER2010 (1) (2) ,VDDQSNS,REFIN ,VTTGND ,S5,TRIP,MODE (1) (2) ,VREF 4085 C(1)VoltagevaluesarewithrespecttotheSWte rminal.

4 (2)Thisvoltageshouldbeappliedforlessthan 30% 2010 2013,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks:TPS51216 TPS51216 SLUSAB9A NOVEMBER2010 ,VV5IN=5V,VLDOINis connectedtoVDDQ output,VMODE=0V,VS3=VS5=5V(unlessotherwi senoted)PARAMETERTESTCONDITIONMINTYPMAXU NITSUPPLYCURRENTIV5IN(S0)V5 INsupplycurrent,in S0TA= 25 C,Noload,VS3= VS5= 5 V590 AIV5IN(S3)V5 INsupplycurrent,in S3TA= 25 C,Noload,VS3= 0 V,VS5= 5 V500 AIV5 INSDNV5 INshutdowncurrentTA= 25 C,Noload,VS3= VS5= 0 V1 AIVLDOIN(S0)VLDOIN supplycurrent,in S0TA= 25 C,Noload,VS3= VS5= 5 V5 AIVLDOIN(S3)

5 VLDOIN supplycurrent,in S3TA= 25 C,Noload,VS3= 0 V,VS5= 5 V5 AIVLDOINSDNVLDOIN shutdowncurrentTA= 25 C,Noload,VS3= VS5= 0 V5 AVREFOUTPUTIVREF= 30 A,TA= 25 A IVREF<300 A,TA= 10 C to85 A IVREF<300 A,TA= 40 C to85 |IVTTREF| <100 A, VVDDQSNS |IVTTREF| <10mA, VVDDQSNS ,VVTTREF= 0 V1018mAIVTTREFOCLSNKS inkcurrentlimitVVDDQSNS= ,VVTTREF= 25 C,VS3= VS5= 0 V,VVTTREF= |IVTT| 10mA, VVDDQSNS ,IVTTREF= 0 A 2020|IVTT| 1 A, VVDDQSNS ,IVTTREF= 0 A 3030 VVTTTOLO utputvoltagetolerancetoVTTREFmV|IVTT| 2 A, VVDDQSNS ,IVTTREF= 0 A 4040|IVTT| , VVDDQSNS ,IVTTREF= 0 A 4040 VVDDQSNS= ,VVTT= VVTTSNS= ,IVTTOCLSRCS ourcecurrentlimit23 IVTTREF= 0 AAIVTTOCLSNKS inkcurrentlimitVVDDQSNS= ,VVTT= VVTTSNS= ,IVTTREF= 0 A23 IVTTLKL eakagecurrentTA= 25 C , VS3= 0 V,VS5= 5 V,VVTT= VVTTREF5 IVTTSNSBIASVTTSNS inputbiascurrentVS3= 5 V,VS5= 5 V,VVTTSNS= VVTTREF AIVTTSNSLKVTTSNS leakagecurrentVS3= 0 V,VS5= 5 V,VVTTSNS= VVTTREF 101TA= 25 C,VS3= VS5= 0 V,VVDDQSNS=.

6 IVTTREF= 0 AVDDQOUTPUTVVDDQSNSVDDQ sensevoltageVREFINVDDQSNS regulationvoltageVVDDQSNSTOLTA= 25 C 33mVtolerancetoREFINIVDDQSNSVDDQSNS inputcurrentVVDDQSNS= AIREFINREFIN inputcurrentVREFIN= AVS3= VS5= 0 V,VVDDQSNS= ,MODE pinpulledIVDDQDISVDDQ dischargecurrent12mAdowntoGNDthrough47k (Non-tracking)VS3= VS5= 0 V,VVDDQSNS= , (Non-tracking)SWITCHMODEPOWERSUPPLY(SMPS )FREQUENCYVIN= 12V,VVDDQSNS= ,RMODE= 100k 300fSWVDDQ switchingfrequencykHzVIN= 12V,VVDDQSNS= ,RMODE= 200k 400tON(min)MinimumontimeDRVH risingtofalling(1)60nstOFF(min)Minimumof ftimeDRVH fallingtorising200320450(1) 2010 2013, NOVEMBER2010 REVISEDAPRIL2013 ELECTRICALCHARACTERISTICS(continued)over operatingfree-airtemperaturerange,VV5IN= 5V,VLDOINis connectedtoVDDQ output,VMODE=0V,VS3=VS5=5V(unlessotherwi senoted)

7 PARAMETERTESTCONDITIONMINTYPMAXUNITVDDQM OSFETDRIVERS ource,IDRVH= ,IDRVH= Source,IDRVL= ,IDRVL= , TA= 25 C,IF= 25 C,VVBST= 33V,VSW= ALOGICTHRESHOLDIMODEMODE sourcecurrent141516 AMODE0580600620 MODE1829854879 VTHMODEMODE thresholdvoltagemVMODE2120212321262 MODE3176018001840 VILS3 101 ASOFTSTARTI nternalsoft-starttime,CVREF= F, > VREFINPGOODCOMPARATORPGOODin fromhigher106%108%110%PGOODin fromlower90%92%94%VTHPGVDDQPGOOD thresholdPGOOD outtohigher114%116%118%PGOOD outtolower82%84%86%IPGPGOOD sinkcurrentVPGOOD= ,with100mVoverdrive330nstPGSSDLYPGOOD start-updelayCVREF= F, 2010 2013,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback5 ProductFolderLinks.

8 TPS51216 TPS51216 SLUSAB9A NOVEMBER2010 (continued)overoperatingfree-airtemperat urerange,VV5IN=5V,VLDOINis connectedtoVDDQ output,VMODE=0V,VS3=VS5=5V(unlessotherwi senoted)PARAMETERTESTCONDITIONMINTYPMAXU NITPROTECTIONSITRIPTRIP sourcecurrentTA= 25 C,VTRIP= ATRIP sourcecurrenttemperatureTCITRIP4700ppm/ Ccoefficient(2) 390 375 360 VOCLNN egativecurrentlimitthresholdVTRIP= 210 200 190mVVTRIP= 30 25 (2)140 TSDNT hermalshutdownthreshold CHysteresis(2)10(2) 2010 2013,TexasInstrumentsIncorporatedProduct FolderLinks:TPS5121612345678 91011121314151617181920 TPS51216 PowerPAD NOVEMBER2010 REVISEDAPRIL2013 DEVICEINFORMATIONRUKPACKAGE(TOPVIEW) (SeeTable2)PGND10 (on)currentsensinginput(+).

9 (on)currentsensinginput( ).S317IS3signalinput.(SeeTable1)S516IS5s ignalinput.(SeeTable1)TRIP18 A currentatroomtemperature,TC= 4700ppm/ F F ConnecttoGNDpadCopyright 2010 2013,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback7 ProductFolderLinks:TPS512161013 PGNDSWTPS51216 OCZCXCON15 VBST12 V5 INPWM9 REFINTRIPD elay20 PGOODC ontrol LogicUDG-1013510mA++VREFIN+20%++8 VDDQSNS++1814 DRVH11 DRVLtONOne-ShotUVOVVREFIN 32%16S5 Soft-Start+NOC+8 R6 VREFR eferenceR7 GND17S35 VTTREF1 VTTSNS4 VTTGND3 VTT++++2 VLDOIN7 RRVTT DischargeVTTREF DischargeOn-TimeDischarge TypeSelection15mA19 MODEVREFIN+8/16 %VREFIN 8/16 %++VDDQD ischargeV5OK+ VUVPOVPTPS51216 SLUSAB9A NOVEMBER2010 2010 2013,TexasInstrumentsIncorporatedProduct FolderLinks.

10 TPS512165060708090100110120130140150 50 250255075100125 Junction Temperature ( C)OVP/UVP Threshold (%)OVPUVP03691215 50 250255075100125 Junction Temperature ( C)VDDQSNS Discharge Current (mA)0246810 50 250255075100125 Junction Temperature ( C)VLDOIN Suppy Current ( A)46810121416 50 250255075100125 Junction Temperature ( C)TRIP Source Current ( A)02004006008001000 50 250255075100125 Junction Temperature ( C)V5IN Suppy Current ( A)0246810 50 250255075100125 Junction Temperature ( C)V5IN Shutdown Current ( A) NOVEMBER2010 2010 2013,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback9 ProductFolderLinks.