LMZ20501 1-A Nano Module - Texas Instruments

1 (%) Output Current (A) VINCINCOUTRFBTRFBBLMZ20501 VINENVOUTFBGNDMODEPGCFFVOUTP roductFolderOrderNowTechnicalDocumentsTo ols &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand AUGUST2012 REVISEDAUGUST2018 LMZ205011-A Nano Module11 Features1 IntegratedInductor mm mm Package 1A MaximumLoadCurrent InputVoltageRangeof V to V AdjustableOutputVoltageRangeof V to V 1% FeedbackToleranceOverTemperature A (maximum)QuiescentCurrentInShutdown 3-MHzFixedPWMS witchingFrequency 40 C to 125 C JunctionTemperatureRange PowerGoodFlagFunction Pin-SelectableSwitchingModes InternalCompensationand Soft Start CurrentLimit,ThermalShutdown,and UVLOP rotection Createa CustomDesignUsingthe LMZ20501 WithWEBENCH PowerDesigner2 Applications Point-of-LoadRegulation Space-ConstrainedApplications3 DescriptionThe LMZ20501nanomoduleregulatoris an easy-to-usesynchronousstep-downDC/DCconv ertercapableof drivingup to 1 A of loadfroman inputofup to V, withexceptionalefficiencyand outputaccuracyin a very innovativepackagecontainsthe regulatorandinductorin mm mm volume,thussavingboardspaceandeliminatin gthe timeandexpenseof five externalcomponentsand has a pin-out designedfor simple.

2 An easyto use completedesignwith a minimumnumberof externalcomponentsandthe TI WEBENCH 's WEBENCH toolincludesfeaturessuchas externalcomponentcalculation,electricals imulation,andWebTherm .For solderinginformation,see (1)PARTNUMBERPACKAGEBODYSIZE(NOM)LMZ2050 1 USIP(8) (1) For all availablepackages,see the orderableaddendumatthe end of the VOUT= V AutoMode2 LMZ20501 SNVS874D AUGUST2012 : LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand 's and Don'ts ..239 Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (April2015)to RevisionDPage DeletedSimpleSwitcherbranding;addedlinks for (December2014)to RevisionCPage (November2014)to RevisionBPage ChangedDeviceInformationandESDR atingtables,FeatureDescription,DeviceFun ctionalModes,Applicationand Implementation,PowerSupplyRecommendation s,Layout,Deviceand DocumentationSupport, andMechanical,Packaging,and OrderableInformationsections.

3 (September2013)to RevisionAPage Addedfull AUGUST2012 REVISEDAUGUST2018 ProductFolderLinks: LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated(1)G = Ground,I = Input,O = Output,P = Power5 Pin Configurationand FunctionsUSIPP ackage(SIL)8 PinsTop ViewPin FunctionsPINTYPE(1)DESCRIPTIONNUMBERNAME 1 PGOP owergoodflag; logicsupplythrougha powergood;Low = not used, On, Low = Off. A validinputvoltage,on pin 8, mustbe presentbeforeEN not = AUTO mode,with PFMat light load . Do not ;connectto all all pin mustbe left not connectto groundor any inputcapacitor(s)as closeas possibleto the VIN pin and GNDpin of the AUGUST2012 : LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

4 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)The absolutemaximumvoltageon this pin mustnot exceed6V with respectto not allowthe voltageon the outputpin toexceedthe voltageon the inputpin by V.(3)For solderinginformation,pleasereferto the recommendedoperatingjunctiontemperaturer angeof -40 C to 125 C (unlessotherwisenoted)(1)MINMAXUNITVIN to GND , MODE,FB, PG, to GND(2) + GND(2) + CPeaksolderingreflowtemperaturefor Pb(3)240 CPeaksolderingreflowtemperaturefor No-Pb(3)260 Storagetemperaturerange 65150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHumanbodymode l(HBM),per ANSI/ESDA/JEDECJS-001,all pins(1) 2000 VCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101,all pins(2) 500(1)StressesbeyondthoselistedunderAbso luteMaximumRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

5 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)Underno conditionsshouldthe outputvoltagebe allowedto fall recommendedoperatingjunctiontemperaturer angeof -40 C to 125 C (unlessotherwisenoted)(1) (2) current04mAJunctiontemperature-40125 C(1)The valuesgivenin this tableare only validfor comparisonwith otherpackagesand can not be usedfor designinformationpleasesee moreinformationabouttraditionaland new thermalmetrics,seetheSemiconductorand IC PackageThermalMetricsapplicationreport, (1) LMZ20501 UNITUSIP(SIL)8 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W AUGUST2012 REVISEDAUGUST2018 ProductFolderLinks: LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporatedThermal Information(continued)THERMALMETRIC(1)LM Z20501 UNITUSIP(SIL)8 PINSR JC(bot)Junction-to-case(bottom) C/W6 LMZ20501 SNVS874D AUGUST2012 : LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated(1)MIN and MAXlimitsare 100%productiontestedat 25 C.

6 Limitsoverthe operatingtemperaturerangeare verifiedthroughcorrelationusingStatistic alQualityControl(SQC) usedto calculateAverageOutgoingQualityLevel(AOQ L).(2)Shutdowncurrentincludesleakagecurr entof the switchingtransistors.(3)This is the peakswitchcurrentlimit measuredwith a to inherentdelaysin the currentlimit comparator,the peakcurrentlimit measuredat 3 MHzwill be larger.(4)This parameteris not testedin production.(5)SeePowerGoodFlagFunctionfo r explanationof recommendedoperatingjunctiontemperaturer angeof 40 C to 125 C, maximumlimitsare verifiedthroughtest, design,or mostlikelyparametricnormat TJ= 25 C, and are providedfor followingconditionsapply:VIN= VPARAMETERTESTCONDITIONSMIN(1)TYPMAX(1)U NITVFBF eedbackvoltageVIN= ,VFB= AIQ_PWMO peratingquiescentcurrentinforcedPWMmodeP WMmode,VFB= AIQ_offShutdownquiescentcurrent(2)VIN= V, VEN= AVIN= V, VEN= (3) (4)50nsTssSoft starttime(4)800 sRPGP owergoodflag pull-downRdson4070110 VPG1 Powergoodflag, under-voltagetrip(5)% of feedbackvoltage,rising92%VPG2 Powergoodflag, under-voltagetrip(5)% of feedbackvoltage,falling88%VPG3 Powergoodflag, over-voltagetrip(5)% of feedbackvoltage,rising112%VPG4 Powergoodflag, over-voltagetrip(5)% of feedbackvoltage,falling108%TSDT hermalshutdown(4)Risingthreshold159 CThermalshutdownhysteresis(4)15 AUGUST2012 REVISEDAUGUST2018 ProductFolderLinks.

7 LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018, followingspecificationsapplyto the circuitfoundin Figure16 with the not testedin productionand followingconditionsapply:TA= 25 the givenload currentchangeVOUT= V,VIN= 5 V, IOUT= 0 A to 1 A, VVIN= 5 V, IOUT= 0 A to 1 A, VVIN= 5 V, IOUT= 0 A to 1 A, the givenchangein inputvoltageVOUT= VIOUT= 1 A, VIN= 3 V to 5 V, VIOUT= 1 A, VIN= 3 V to 5 V, VIOUT= 1 A,VIN= 4 V to 5 V, PWMVOUT= VIOUT= 1 A, VIN= 5 V, pk-pkVOUT= VIOUT= 1 A, VIN= 5 V, 1 A, VIN= 5 V, PFMVOUT= 1 mA, VIN= 3 V, PFM22mV pk-pkVOUT= VIOUT= 1 mA, VIN=3 V, PFM22 VOUT= VIOUT= 1 mA, VIN= 5 V, PFM40 LoadTransientOutputvoltagedeviationfromn ominaldue to a load currentstepVOUT= VVIN= 5 V, IOUT= 0 A to 1 A, Tr = Tf = 2 s,PWM 60mVVOUT= VVIN= 5 V, IOUT= 0 A to 1 A, Tr = Tf = 2 s,PWM 50 VOUT= VVIN= 5 V, IOUT= 0 A to 1 A, Tr = Tf = 2 s.

8 PWM 60 LineTransientOutputvoltagedeviationdue toan inputvoltagestepVOUT= 1 A, VIN= 3 V to 5 V, Tr = Tf = 50 s, PWM25mV pk-pkVOUT= VIOUT= 1 A, VIN= 3 V to 5 V, Tr = Tf = 50 s, PWM30 VOUT= VIOUT= 1 A, VIN= 4 V to 5 V, Tr = Tf = 50 s, PWM20 PeakefficiencyVOUT= VVIN= 3 V87%VOUT= VVIN= 3 V91%VOUT= VVIN= V94%Full load efficiencyVOUT= VVIN= 3 V, IOUT= 1 A83%VOUT= VVIN= 3 V, IOUT= 1 A87%VOUT= VVIN= V, IOUT= 1 A93%Input Voltage (V)Input Current ( A) C27 C90 CInput Voltage (V)Input Current (mA) C27 C90 CTemperature ( C)EN Input Thresholds (V) ( C)MODE Input Thresholds (V) ( C)Output Voltage (V) = 0 AIout = 1 AInput Voltage (V)Switching Frequency (MHz) C27 C90 C8 LMZ20501 SNVS874D AUGUST2012 : LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018, followingconditionsapply:VIN= V, TA= 25 VPWMModeVOUT= VFigure1.

9 TypicalOutputVoltagevs TemperatureVIN= VIOUT= 0 APWMModeFigure2. SwitchingFrequencyin PWMModeVIN= VFigure3. EN InputThresholdsVIN= VFigure4. MODEI nputThresholdsVFB= VAUTOModeFigure5. Non-SwitchingInputCurrentin AUTOModeVFB= VPWMModeFigure6. Non-SwitchingInputCurrentin AUGUST2012 REVISEDAUGUST2018 ProductFolderLinks: LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporated7 LMZ20501nanomoduleis a voltagemodebuckregulatorwith an usedto compensatefor loopgainvariationwith usertotailorthe regulatorto forcedPWMmode,the regulatoroperatesas a fullsynchronousdevicewith a 3 MHz(typ.)switchingfrequencyand verylow AUTO mode,the regulatormovesinto PFMwhenthe loadcurrentdropsbelowthe modechangethreshold(seeApplicationCurves ). In PFM,the deviceregulatesthe outputvoltagebetweenwiderripplelimitstha nin resultsinmuchsmallersupplycurrentthanin PWM,at light loadsand high simplifiedblockdiagramis LMZ20501incorporatesworldclasspackagetec hnologyto providea 1 A powersupplywith a totalvolumeof only 21 mm3(excludingexternalcomponents).

10 All that is requiredfor a completepowersupplyis the additionof feed-backresistorsto set the outputvoltageand the inputand and Figure8showthe regulatordie is embeddedinto a PCBsubstratewhilethe powerinductorismountedon top. Viasand copperclad are usedto makethe connectionsto the die, inductorand the packageis CladVia10 LMZ20501 SNVS874D AUGUST2012 : LMZ20501 SubmitDocumentationFeedbackCopyright 2012 2018,TexasInstrumentsIncorporatedFeature Description(continued)Figure7. PackagePhotoFigure8. LMZ20501usesan internalNMOSFETas a synchronousrectifierto NMOSis designedto conductthroughits deadtime is imposedto preventsupplycurrent"shoot-through". LMZ20501incorporatescycle-by-cyclepeakcu rrentlimiton boththe highand low outputcurrentin casethe outputis overload,the peakinductorcurrentis limitedto that valuefoundin theElectricalCharacteristicstableunderth e headingof "ILIM".