LM317AMDTAlternatives & Equivalent Parts

LM317AMDT is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About LM317AMDT

LM317AMDT is a Integrated Circuit component manufactured by Texas Instruments. It comes in a TO-XXX (Inc. DPAK) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Need pricing on these alternatives?

Get one quote covering all 10 alternatives for LM317AMDT — response within 24 hours.

Specification Comparison

ParameterLM317AMDTSourceLM317MDT/NOPBLM317AMDT/NOPBLM317MDTLM317MDTX/NOPBNJU7223DL1-33-TE1LM22671MR-ADJ/NOPBTPS7A4501KTTRSTD15N50M2AGSSW-110-01-G-D1752188
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsNJRTexas InstrumentsTexas InstrumentsSTMicroelectronicsSAMTECPhoenix Contact
Package TypeTO-XXX (Inc. DPAK)TO-XXX (Inc. DPAK)TO-XXX (Inc. DPAK)TO-XXX (Inc. DPAK)OtherSmall Outline PackagesOtherOtherOtherHeader, Shrouded - Straight PTH Box
Pin Count3333339232010
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-55.0°C ~ 150.0°C
Price$1.2350$0.2310$1.2350$0.2310$0.6378$0.4760$2.1358$1.1788$0.6783$1.2476$3.8500
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEACTIVEOBSOLETEACTIVEACTIVEACTIVEOBSOLETEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesNoYesYesYesYesYes
YTEOL01515015151509.17.54
AdjustabilityADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLE
Dropout Voltage1-Nom2.25 V2.25 V2.25 V3 V2.25 V0.3 V
Input Voltage-Max40 V40 V40 V40 V42 V20 V
Input Voltage-Min3 V3 V3 V3 V4.5 V2.1 V
Input-Output Voltage Differential-Max40 V40 V40 V40 V40 V
Input-Output Voltage Differential-Min3 V3 V3 V3 V3 V
JESD-30 CodeR-PSSO-G2R-PSSO-G2R-PSSO-G2R-PSSO-G2R-PSSO-G2R-PDSO-G8R-PSSO-G5R-PSSO-G2
JESD-609 Codee0e3e3e0e3e3e3e3e4
Line Regulation-Max (%/V)0.020.050.020.070.050.011
Load Regulation-Max(%)1%1%1%1.5%1%1.41%
Number of Functions1111111
Number of Outputs1111111
Operating Temperature TJ-Max125 °C125 °C125 °C125 °C125 °C125 °C
Operating Temperature TJ-Min-40 °C-40 °C-40 °C
Output Current1-Max1.5 A1.5 A1.5 A0.5 A1.5 A1.5 A
Output Voltage1-Max37 V37 V37 V37 V37 V20 V
Output Voltage1-Min1.2 V1.2 V1.2 V1.2 V1.2 V1.5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSMSIP3H,.38,90TBSMSIP3H,.38,90TBSMSIP3H,.38,90TBSMSIP3H,.38,90TBSMSIP3H,.38,90TBSOP8,.25SMSIP5H,.6,67TB
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILESMALL OUTLINESMALL OUTLINE
Packing MethodTUBETUBETUBERAILTRTR
Peak Reflow Temperature (Cel)235260260235260260245260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Regulator TypeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface MountYESYESYESYESYESYESYESYES
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARBIPOLARBIPOLAR
Terminal FinishTin/Lead (Sn/Pb)Matte Tin (Sn)Matte Tin (Sn)TIN LEADMatte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn) - annealed
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch2.285 mm2.285 mm2.285 mm2.285 mm2.285 mm1.27 mm1.7 mm2.54 mm
Terminal PositionSINGLESINGLESINGLESINGLESINGLEDUALSINGLESINGLE
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED303020303030
Voltage Tolerance-Max5%5%5%5%2.98%
## LM317AMDT Alternates Showing resultsImage
Output Voltage1-Nom37 V
## LM317AMDT/NOPB Alternates Showing resultsImage
## LM317MDT Alternates Showing resultsImage
Additional FeatureALSO OPERATES IN ADJUSTABLE MODE LOW AS 1.285VTIGER BUY CONTACTPA, UL 94V0
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Nom12 V
Output Current-Max0.5 A
Output Voltage-Max37 V
Output Voltage-Min1.285 V
Switcher ConfigurationBUCK
Switching Frequency-Max1000 kHz
Temperature GradeAUTOMOTIVE
Dropout Voltage1-Max0.45 V
Input Voltage Absolute-Max20 V
Line Regulation-Max0.003%
Load Regulation-Max0.018%
## TPS7A4501KTTR Alternates Showing resultsImage
Manufacturer Package CodeDPAK
Factory Lead Time14 Weeks1 Week
Avalanche Energy Rating (Eas)200 mJ
Case ConnectionDRAIN
ConfigurationSINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min500 V
Drain Current-Max (ID)10 A
Drain-source On Resistance-Max0.38 Ω
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
Feedback Cap-Max (Crss)0.8 pF
JEDEC-95 CodeTO-252
Number of Elements1
Operating ModeENHANCEMENT MODE
Polarity/Channel TypeN-CHANNEL
Power Dissipation-Max (Abs)85 W
Pulsed Drain Current-Max (IDM)40 A
Reference StandardAEC-Q101UL
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Body Breadth0.195 inch
Body Depth0.335 inch
Body Length1.02 inch
Body/Shell StyleSOCKET
Connector TypeBOARD CONNECTOR
Contact Finish MatingGOLD (20) OVER NICKEL (50)
Contact Finish TerminationGold (Au) - with Nickel (Ni) barrier
Contact GenderFEMALE
Contact MaterialPHOSPHOR BRONZE
Contact PatternRECTANGULAR
Contact StyleSQ PIN-SKT
DIN ConformanceNO
Filter FeatureNO
IEC ConformanceNO
Insulator MaterialLIQUID CRYSTAL POLYMER
MIL ConformanceNO
Mating Contact Pitch0.1 inch
Mating Contact Row Spacing0.1 inch
Mating InformationMULTIPLE MATING PARTS AVAILABLE
Mixed ContactsNO
Mounting Option 1LOCKING
Mounting StyleSTRAIGHT
Mounting TypeBOARDBOARD
Number Of ConnectorsONE
Number Of PCB Rows2
Number of Rows Loaded2
OptionGENERAL PURPOSE
PCB Contact PatternRECTANGULAR
PCB Contact Row Spacing2.54 mm
Plating Thickness20u inch
Rated Current (Signal)4.7 A
Termination TypeSOLDER
Total Number of Contacts20
UL Flammability Code94V-0
Fastening MethodSPRING LOADED
Number of Decks1
Number of Rows1
Number of Ways10
Rated Current9 A
Rated Voltage160 V
Safety ApprovalUL
Terminal and Terminal Block TypeBARRIER STRIP TERMINAL BLOCK
Wire Cross Section1.5 mm2
Wire Gauge16 AWG

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 10 alternatives for LM317AMDT — response within 24 hours.

Quick Links

LM317MDT/NOPBby National Semiconductor Corporation Adjustable Positive Standard

Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2

LM317AMDT/NOPBby National Semiconductor Corporation Adjustable Positive Standard

Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2

LM317MDTby National Semiconductor Corporation Adjustable Positive Standard

Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2

LM317MDTX/NOPBby National Semiconductor Corporation Adjustable Positive Standard

Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2

1752188

suggested

Why Look for Alternatives?

Finding alternatives for LM317AMDT is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating LM317AMDT replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

Can't Find What You Need?

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FAQ

What is equivalent to LM317AMDT?

Known equivalents for LM317AMDT include LM317MDT/NOPB, LM317AMDT/NOPB, LM317MDT. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM317AMDT?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify LM317AMDT alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.