LM185-ADJ, LM285-ADJ, LM385-ADJ www.ti.com SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 LM185/LM285/LM385 Adjustable Micropower Voltage References CheckforSamples:LM185-ADJ,LM285-ADJ,LM385-ADJ FEATURES Careful design of the LM185 has made the device 1 tolerant of capacitive loading, making it easy to use in • Adjustablefrom1.24Vto5.30V 2 almost any reference application. The wide dynamic • OperatingCurrentof10μAto20mA operating range allows its use with widely varying • 1%and2%InitialTolerance supplieswithexcellentregulation. • 1ΩDynamicImpedance TheextremelylowpowerdrainoftheLM185makesit • LowTemperatureCoefficient useful for micropower circuitry. This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life DESCRIPTION approaching shelf life. Further, the wide operating The LM185/LM285/LM385 are micropower 3-terminal current allows it to replace older references with a adjustable band-gap voltage reference diodes. tightertolerancepart. Operating from 1.24 to 5.3V and over a 10μA to 20mA current range, they feature exceptionally low The LM185 is rated for operation over a −55°C to dynamic impedance and good temperature stability. 125°C temperature range, while the LM285 is rated On-chip trimming is used to provide tight voltage −40°C to 85°C and the LM385 0°C to 70°C. The tolerance. Since the LM185 band-gap reference uses LM185 is available in a hermetic TO package and a only transistors and resistors, low noise and good LCCC package, while the LM285/LM385 are long-termstabilityresult. available in a low-cost TO-92 package, as well as SOIC. Connection Diagram Figure1. TO-92Package Figure2. TOPackage BottomView BottomView Figure3. SOICPackage Figure4. 20-LCCC TopView TopView 1 Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet. Alltrademarksarethepropertyoftheirrespectiveowners. 2 PRODUCTIONDATAinformationiscurrentasofpublicationdate. Copyright©2000–2013,TexasInstrumentsIncorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarilyincludetestingofallparameters.

LM185-ADJ, LM285-ADJ, LM385-ADJ SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 www.ti.com Block Diagram Typical Applications Figure5. 1.2VReference Figure6. 5.0VReference Thesedeviceshavelimitedbuilt-inESDprotection.Theleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoam duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates. 2 SubmitDocumentationFeedback Copyright©2000–2013,TexasInstrumentsIncorporated ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ www.ti.com SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 Absolute Maximum Ratings(1)(2)(3) ReverseCurrent 30mA ForwardCurrent 10mA OperatingTemperatureRange (4) LM185Series −55°Cto125°C LM285Series −40°Cto85°C LM385Series 0°Cto70°C ESDSusceptibility (5) 2kV StorageTemperature −55°Cto150°C SolderingInformation TO-92Package(10sec.) 260°C TOPackage(10sec.) 300°C SOICPackage VaporPhase(60sec.) 215°C Infrared(15sec.) 220°C SeeAn-450“SurfaceMountingMethodsandTheirEffectonProductReliability”forothermethodsofsolderingsurfacemountdevices. (1) AbsoluteMaximumRatingsindicatelimitsbeyondwhichdamagetothedevicemayoccur.OperatingRatingsindicateconditionsfor whichthedeviceisintendedtobefunctional.Forspecificationsandtestconditions,seetheElectricalCharacteristics.Thespecifications applyonlyforthetestconditionslisted. (2) RefertoRETS185Hformilitaryspecifications. (3) IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheTISalesOffice/Distributorsforavailabilityandspecifications. (4) Forelevatedtemperatureoperation,seeTable1andThermalCharacteristics. (5) Thehumanbodymodelisa100pFcapacitordischargedthrougha1.5kΩresistorintoeachpin. Table1.T forElevatedTemperatureOperation J(max) DEVICE T (°C) J(max) LM185 150 LM285 125 LM385 100 Thermal Characteristics Overoperatingfree-airtemperaturerange(unlessotherwisenoted) ThermalResistance TO-92 TO-46 SOIC 180°C/W(0.4″leads) θ (JunctiontoAmbient) 440°C/W 165°C/W JA 170°C/W(0.125″leads) θ (JunctiontoCase) N/A 80°C/W N/A JC Copyright©2000–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 3 ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 www.ti.com Electrical Characteristics(1) LM185,LM285 LM385 LM185BX, LM285 LM385 LM185BY LM385BX, LM185B, LM385BY Units Parameter Conditions LM285BX, Typ LM285BY Typ (Limit) Tested Design Tested Design Tested Design Tested Design Limit Limit Limit Limit Limit Limit Limit Limit (2) (3) (2) (3) (2) (3) (2) (3) Reference I =100μA 1.240 1.252 1.265 1.270 1.240 1.252 1.255 1.265 1.270 V(max) R Voltage 1.255 1.228 1.215 1.205 1.228 1.215 1.215 1.205 V(min) 1.215 Reference I <I <1mA 0.2 1 1.5 1 1.5 0.2 1 1.5 1 1.5 mV MIN R Voltage (max) 1mA<I <20mA 4 10 20 10 20 5 15 25 15 25 Changewith R Current Dynamic I =100μA, f= R Output 100Hz Impedance I =0.1I V = 0.3 0.4 AC R OUT Ω V REF V = 0.7 1 OUT 5.3V Reference I =100μA R Voltage mV Changewith 1 3 6 3 6 2 5 10 5 10 (max) Output Voltage Feedback 13 20 25 20 25 16 30 35 30 35 nA(max) Current Minimum V =V 6 9 10 9 10 7 11 13 11 13 μA OUT REF Operating (max) V =5.3V 30 45 50 45 50 35 55 60 55 60 Current(see OUT curve) Output I =100μA,10Hz<f μV R rms Wideband <10kHz Noise V =V 50 50 OUT REF V =5.3V 170 170 OUT Average I =100μA XSuffix 30 30 R Temperature YSuffix 50 50 ppm/°c Coefficient (max) (4) All 150 150 150 150 Others LongTerm I =100μA,T=1000 20 20 ppm R Stability Hr, T =25°C±0.1°C A (1) Parametersidentifiedwithboldfacetypeapplyattemperatureextremes.AllothernumbersapplyatT =T =25°C.Unlessotherwise A J specified,allparametersapplyforV <V <5.3V. REF OUT (2) Productiontested. (3) Notproductiontested.Theselimitsarenottobeusedtocalculateaverageoutgoingqualitylevels. (4) TheaveragetemperaturecoefficientisdefinedasthemaximumdeviationofreferencevoltageatallmeasuredtemperaturesfromT MIN toT ,dividedbyT −T .Themeasuredtemperaturesare−55,−40,0,25,70,85,125°C. MAX MAX MIN 4 SubmitDocumentationFeedback Copyright©2000–2013,TexasInstrumentsIncorporated ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ www.ti.com SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 Typical Performance Characteristics TemperatureDriftof3 RepresentativeUnits FeedbackCurrent Figure7. Figure8. MinimumOperatingCurrent ReverseCharacteristics Figure9. Figure10. ReverseCharacteristics ForwardCharacteristics Figure11. Figure12. Copyright©2000–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 5 ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 www.ti.com Typical Performance Characteristics (continued) OutputNoiseVoltage DynamicOutputImpedance Figure13. Figure14. ResponseTime Figure15. TemperatureCoefficientTypical LM185(left), LM285(center), LM385(right) Figure16. 6 SubmitDocumentationFeedback Copyright©2000–2013,TexasInstrumentsIncorporated ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ www.ti.com SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 TYPICAL APPLICATIONS Figure17.Precision10VReference Figure18.LowACNoiseReference Figure19.25VLowCurrentShuntRegulator Figure20.200mAShuntRegulator Copyright©2000–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 7 ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 www.ti.com Figure21.Series-Shunt20mARegulator Figure22.HighEfficiencyLowPowerRegulator Figure23.VoltageLevelDetector Figure24.VoltageLevelDetector Figure25.FastPositiveClamp Figure26.BidirectionalClamp 2.4V+ΔV ±2.4V D1 8 SubmitDocumentationFeedback Copyright©2000–2013,TexasInstrumentsIncorporated ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ www.ti.com SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 Figure27.BidirectionalAdjustableClamp Figure28.BidirectionalAdjustableClamp ±1.8Vto ±2.4V ±2.4Vto ±6V Figure29. SimpleFloatingCurrentDetector Figure30. CurrentSource Copyright©2000–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 9 ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 www.ti.com *D1canbeanyLED,V =1.5Vto2.2Vat3mA.D1mayactasanindicator.D1willbeonifI fallsbelowthe F THRESHOLD thresholdcurrent,exceptwithI=O. Figure31. PrecisionFloatingCurrentDetector Figure32. CentigradeThermometer,10mV/°C Figure33. FreezerAlarm 10 SubmitDocumentationFeedback Copyright©2000–2013,TexasInstrumentsIncorporated ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ www.ti.com SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 Schematic Diagram Copyright©2000–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 11 ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

LM185-ADJ, LM285-ADJ, LM385-ADJ SNVS741F–FEBRUARY2000–REVISEDAPRIL2013 www.ti.com REVISION HISTORY ChangesfromRevisionE(April2013)toRevisionF Page • ChangedlayoutofNationalDataSheettoTIformat.......................................................................................................... 11 12 SubmitDocumentationFeedback Copyright©2000–2013,TexasInstrumentsIncorporated ProductFolderLinks:LM185-ADJ LM285-ADJ LM385-ADJ

PACKAGE OPTION ADDENDUM www.ti.com 23-Aug-2017 PACKAGING INFORMATION Orderable Device Status Package Type Package Pins Package Eco Plan Lead/Ball Finish MSL Peak Temp Op Temp (°C) Device Marking Samples (1) Drawing Qty (2) (6) (3) (4/5) LM185BH ACTIVE TO NDV 3 1000 TBD Call TI Call TI -55 to 125 ( LM185BH, LM185BH ) LM185BH/NOPB ACTIVE TO NDV 3 1000 Green (RoHS Call TI Level-1-NA-UNLIM -55 to 125 ( LM185BH, LM185BH & no Sb/Br) ) LM185H-2.5/NOPB ACTIVE TO NDU 2 1000 Green (RoHS Call TI | POST-PLATE Level-1-NA-UNLIM -55 to 125 ( LM185H2.5, LM185 & no Sb/Br) H2.5) LM285BXZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS CU SN N / A for Pkg Type -40 to 85 LM285 & no Sb/Br) BXZ LM285BYM/NOPB ACTIVE SOIC D 8 95 Green (RoHS CU SN Level-1-260C-UNLIM -40 to 85 LM285 & no Sb/Br) BYM LM285BYMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS CU SN Level-1-260C-UNLIM -40 to 85 LM285 & no Sb/Br) BYM LM285BYZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS CU SN N / A for Pkg Type -40 to 85 LM285 & no Sb/Br) BYZ LM285M/NOPB ACTIVE SOIC D 8 95 Green (RoHS CU SN Level-1-260C-UNLIM -40 to 85 LM285 & no Sb/Br) M LM285MX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS CU SN Level-1-260C-UNLIM -40 to 85 LM285 & no Sb/Br) M LM285Z/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS CU SN N / A for Pkg Type -40 to 85 LM285 & no Sb/Br) Z LM385BM NRND SOIC D 8 TBD Call TI Call TI 0 to 70 LM385 BM LM385BM/NOPB ACTIVE SOIC D 8 95 Green (RoHS CU SN Level-1-260C-UNLIM 0 to 70 LM385 & no Sb/Br) BM LM385BMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS CU SN Level-1-260C-UNLIM 0 to 70 LM385 & no Sb/Br) BM LM385BXZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS CU SN N / A for Pkg Type 0 to 70 LM385 & no Sb/Br) BXZ LM385BYZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS CU SN N / A for Pkg Type 0 to 70 LM385 & no Sb/Br) BYZ LM385BZ/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS CU SN N / A for Pkg Type 0 to 70 LM385 & no Sb/Br) BZ LM385M NRND SOIC D 8 95 TBD Call TI Call TI 0 to 70 LM385 M Addendum-Page 1

PACKAGE OPTION ADDENDUM www.ti.com 23-Aug-2017 Orderable Device Status Package Type Package Pins Package Eco Plan Lead/Ball Finish MSL Peak Temp Op Temp (°C) Device Marking Samples (1) Drawing Qty (2) (6) (3) (4/5) LM385M/NOPB ACTIVE SOIC D 8 95 Green (RoHS CU SN Level-1-260C-UNLIM 0 to 70 LM385 & no Sb/Br) M LM385MX NRND SOIC D 8 2500 TBD Call TI Call TI 0 to 70 LM385 M LM385MX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS CU SN Level-1-260C-UNLIM 0 to 70 LM385 & no Sb/Br) M LM385Z/NOPB ACTIVE TO-92 LP 3 1800 Green (RoHS CU SN N / A for Pkg Type 0 to 70 LM385 & no Sb/Br) Z (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based flame retardants must also meet the <=1000ppm threshold requirement. (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. Addendum-Page 2

PACKAGE OPTION ADDENDUM www.ti.com 23-Aug-2017 In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 3

PACKAGE MATERIALS INFORMATION www.ti.com 8-Apr-2013 TAPE AND REEL INFORMATION *Alldimensionsarenominal Device Package Package Pins SPQ Reel Reel A0 B0 K0 P1 W Pin1 Type Drawing Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant (mm) W1(mm) LM285BYMX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 LM285MX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 LM385BMX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 LM385MX SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 LM385MX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 PackMaterials-Page1

PACKAGE MATERIALS INFORMATION www.ti.com 8-Apr-2013 *Alldimensionsarenominal Device PackageType PackageDrawing Pins SPQ Length(mm) Width(mm) Height(mm) LM285BYMX/NOPB SOIC D 8 2500 367.0 367.0 35.0 LM285MX/NOPB SOIC D 8 2500 367.0 367.0 35.0 LM385BMX/NOPB SOIC D 8 2500 367.0 367.0 35.0 LM385MX SOIC D 8 2500 367.0 367.0 35.0 LM385MX/NOPB SOIC D 8 2500 367.0 367.0 35.0 PackMaterials-Page2

MECHANICAL DATA NDU0002A H02A (Rev F) www.ti.com

PACKAGE OUTLINE NDV0003H TO-CAN - 2.67 mm max height SCALE 1.250 TO-46 4.95 4.55 0.76 MAX 2.67 MAX 0.64 MAX UNCONTROLLED LEAD DIA 3X 12.7 MIN 0.483 3X 0.407 5.32-5.56 2 1 3 45 ( 2.54) 1.16 0.92 1.22 0.72 4219876/A 01/2017 NOTES: 1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing per ASME Y14.5M. 2. This drawing is subject to change without notice. 3. Reference JEDEC registration TO-46. www.ti.com

EXAMPLE BOARD LAYOUT NDV0003H TO-CAN - 2.67 mm max height TO-46 (2.54) 0.07 MAX ( 1.2) ALL AROUND METAL 3 3X ( 0.7) VIA SOLDER MASK OPENING (1.27) 1 (R0.05) TYP 2X ( 1.2) 2 METAL 0.07 MAX TYP 2X SOLDER MASK OPENING LAND PATTERN EXAMPLE NON-SOLDER MASK DEFINED SCALE:12X 4219876/A 01/2017 www.ti.com

None

None

PACKAGE OUTLINE LP0003A TO-92 - 5.34 mm max height SCALE 1.200 SCALE 1.200 TO-92 5.21 4.44 EJECTOR PIN OPTIONAL 5.34 4.32 (1.5) TYP (2.54) SEATING 2X NOTE 3 PLANE 4 MAX (0.51) TYP 6X 0.076 MAX SEATING PLANE 3X 12.7 MIN 0.43 2X 0.55 3X 3X 0.35 2.6 0.2 0.38 2X 1.27 0.13 FORMED LEAD OPTION OTHER DIMENSIONS IDENTICAL STRAIGHT LEAD OPTION TO STRAIGHT LEAD OPTION 2.67 3X 2.03 4.19 3.17 3 2 1 3.43 MIN 4215214/B 04/2017 NOTES: 1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing per ASME Y14.5M. 2. This drawing is subject to change without notice. 3. Lead dimensions are not controlled within this area. 4. Reference JEDEC TO-226, variation AA. 5. Shipping method: a. Straight lead option available in bulk pack only. b. Formed lead option available in tape and reel or ammo pack. c. Specific products can be offered in limited combinations of shipping medium and lead options. d. Consult product folder for more information on available options. www.ti.com

EXAMPLE BOARD LAYOUT LP0003A TO-92 - 5.34 mm max height TO-92 FULL R TYP 0.05 MAX (1.07) ALL AROUND METAL 3X ( 0.85) HOLE TYP TYP 2X METAL (1.5) 2X (1.5) 2X SOLDER MASK OPENING 1 2 3 (R0.05) TYP 2X (1.07) (1.27) SOLDER MASK (2.54) OPENING LAND PATTERN EXAMPLE STRAIGHT LEAD OPTION NON-SOLDER MASK DEFINED SCALE:15X 0.05 MAX ( 1.4) 2X ( 1.4) ALL AROUND METAL TYP 3X ( 0.9) HOLE METAL 2X (R0.05) TYP 1 2 3 SOLDER MASK OPENING (2.6) SOLDER MASK OPENING (5.2) LAND PATTERN EXAMPLE FORMED LEAD OPTION NON-SOLDER MASK DEFINED SCALE:15X 4215214/B 04/2017 www.ti.com

TAPE SPECIFICATIONS LP0003A TO-92 - 5.34 mm max height TO-92 13.7 11.7 32 23 (2.5) TYP 0.5 MIN 16.5 15.5 11.0 9.75 8.5 8.50 19.0 17.5 2.9 6.75 3.7-4.3 TYP TYP 2.4 5.95 13.0 12.4 FOR FORMED LEAD OPTION PACKAGE 4215214/B 04/2017 www.ti.com

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