Power Management

LM150

Texas Instruments

LM150/LM350A/LM350 3-Amp Adjustable Regulators

Manufacturer: Texas Instruments

Document: 21 Pages / 2Mb

Request Quote Download Datasheet Read online HTML view

More from Texas Instruments Browse L parts

Online Datasheet

Read LM150 online.

LM350-N TI | Alldatasheet

Document overview

Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
PDF pages: 21

Technical content

LM150,LM350-N,LM350A www.ti.com SNVS772B –MAY 1998–REVISED MARCH 2013 LM150/LM350A/LM3503-AmpAdjustableRegulators Check forSamples: LM150 ,LM350-N ,LM350A In additionto higher performance than fixed1FEATURES regulators,the LM150 seriesoffersfulloverload 2• AdjustableOutput Down to1.2V protectionavailableonlyinIC's.Includedon thechip

Guaranteed 3A outputCurrent arecurrentlimit,thermaloverloadprotectionand safe area protection.All overload protectioncircuitry• Guaranteed Thermal Regulation remains fullyfunctionaleven if the adjustment• Output isShortCircuitProtected terminalisaccidentallydisconnected.
CurrentLimitConstant withTemperature Normally,no capacitorsareneeded unlessthedevice• P+ Product Enhancement Tested issituatedmore than 6 inchesfrom the inputfilter
86 dB RippleRejection capacitorsinwhich case an inputbypass isneeded. An output capacitorcan be added to improve• Ensured 1% Output VoltageTolerance transientresponse,whilebypassingthe adjustment(LM350A) pinwillincreasetheregulator's ripplerejection.• Ensured Max. 0.01%/V LineRegulation Besides replacingfixed regulatorsor discrete(LM350A) designs,the LM150 is usefulin a wide varietyof• Ensured Max. 0.3% Load Regulation(LM350A) otherapplications.Since the regulatoris “floating” and sees onlytheinput-to-outputdifferentialvoltage,APPLICATIONS suppliesofseveralhundredvoltscan be regulatedas longas themaximum inputtooutputdifferentialisnot• AdjustablePower supplies exceeded,i.e.,avoidshort-circuitingtheoutput.• Constant CurrentRegulators By connecting a fixed resistorbetween the• BatteryChargers adjustmentpinand output,the LM150 can be used The partnumbers intheLM150 serieswhich have aexceptionallyeasy touse and requireonly2 external NDS suffixare packaged in a standardSteelTO-3resistorsto setthe outputvoltage.Further,both line package,whilethosewitha NDE suffixarepackagedand load regulationare comparable to discrete ina TO-220 plasticpackage.The LM150 isratedfordesigns.Also,the LM150 is packaged in standard −55°C ≤ TJ ≤ +150°C, whiletheLM350A isratedfortransistorpackages which are easilymounted and −40°C ≤ TJ ≤ +125°C, and theLM350 isratedfor0°Chandled. ≤ TJ ≤ +125°C. Connection Diagram Case isOutput Figure1. (TO-3STEEL) MetalCan Package Figure2. (TO-220)PlasticPackage Bottom View FrontView See Package Number NDS0002A See Package Number NDE0003B Pleasebe aware thatan importantnoticeconcerningavailability,standardwarranty,and use incriticalapplicationsof Texas Instrumentssemiconductorproductsand disclaimerstheretoappearsattheend ofthisdatasheet. 2Alltrademarksarethepropertyoftheirrespectiveowners. PRODUCTION DATA informationiscurrentas ofpublicationdate. Copyright© 1998–2013,Texas InstrumentsIncorporatedProductsconform to specificationsper the terms of the Texas Instrumentsstandardwarranty.Productionprocessingdoes not necessarilyincludetestingofallparameters.

LM150,LM350-N,LM350A SNVS772B –MAY 1998–REVISED MARCH 2013 www.ti.com These deviceshave limitedbuilt-inESD protection.The leadsshouldbe shortedtogetherorthedeviceplacedinconductivefoam duringstorageorhandlingtopreventelectrostaticdamage totheMOS gates. AbsoluteMaximum Ratings(1)(2)(3) Power Dissipation InternallyLimited Input-OutputVoltageDifferential +35V StorageTemperature −65°C to+150°C MetalPackage (Soldering,10 sec.) 300°C Lead Temperature PlasticPackage (Soldering,4 sec.) 260°C ESD Tolerance TBD LM150 −55°C ≤ TJ ≤ +150°C OperatingTemperatureRange LM350A −40°C ≤ TJ ≤ +125°C LM350 0°C ≤ TJ ≤ +125°C (1) AbsoluteMaximum Ratingsindicatelimitsbeyond whichdamage tothedevicemay occur.OperatingRatingsindicateconditionsfor whichthedeviceisintendedtobe functional,butdo notensurespecificperformancelimits.Forensuredspecificationsand test conditions,see theElectricalCharacteristics. (2) RefertoRETS150K drawingformilitaryspecificationsoftheLM150K. (3) IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheTexas InstrumentsSalesOffice/Distributorsforavailabilityand specifications. ElectricalCharacteristics SpecificationswithstandardtypefaceareforTJ= 25°C, and thosewithboldfacetypeapplyoverfullOperating Temperature Range. Unlessotherwisespecified,VIN− VOUT = 5V,and IOUT = 10 mA (1) Parameter Conditions LM150 Units Min Typ Max ReferenceVoltage 3V ≤ (VIN − VOUT )≤ 35V,10 mA ≤ IOUT ≤ 3A,P ≤ 30W 1.20 1.25 1.30 V 0.005 0.01 %/V LineRegulation 3V ≤ (VIN − VOUT )≤ 35V (2) 0.02 0.05 %/V 0.1 0.3 % Load Regulation 10 mA ≤ IOUT ≤ 3A (2) 0.3 1 % ThermalRegulation 20 ms Pulse 0.002 0.01 %/W AdjustmentPinCurrent 50 100 μA AdjustmentPinCurrentChange 10 mA ≤ IOUT ≤ 3A,3V ≤ (VIN − VOUT )≤ 35V 0.2 5 μA TemperatureStability TMIN ≤ TJ ≤ TMAX 1 % Minimum Load Current VIN − VOUT = 35V 3.5 5 mA VIN − VOUT ≤ 10V 3.0 4.5 A CurrentLimit VIN − VOUT = 30V 0.3 1 A RMS OutputNoise,% ofVOUT 10 Hz ≤ f≤ 10 kHz 0.001 % VOUT = 10V,f= 120 Hz,C ADJ = 0 μF 65 dB RippleRejectionRatio VOUT = 10V,f= 120 Hz,C ADJ = 10 μF 66 86 dB Long-Term Stability TJ = 125°C, 1000 hrs 0.3 1 % ThermalResistance,JunctiontoCase NDS Package 1.2 1.5 °C/W ThermalResistance,Junctionto NDS Package 35 °C/WAmbient(No Heat Sink) (1) These specificationsareapplicableforpower dissipationsup to30W fortheTO-3 (NDS) package and 25W fortheTO-220 (NDE) package.Power dissipationisensuredatthesevaluesup to15V input-outputdifferential.Above 15V differential,power dissipationwill OutgoingQualityLevel). (2) Regulationismeasured ata constantjunctiontemperature,usingpulsetestingwitha lowdutycycle.Changes inoutputvoltagedue to heatingeffectsarecoveredunderthespecificationsforthermalregulation.