LM317MDTAlternatives & Equivalent Parts

LM317MDT is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About LM317MDT

LM317MDT 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 8 alternatives for LM317MDT — response within 24 hours.

Specification Comparison

ParameterLM317MDTSourceLM317MDT/NOPBLM317AMDT/NOPBLM317MDTX/NOPBADA4891-1ARZ-RLSTM32L476RET6KECG2738PBJ-APCF8574RGYRTMF325B7475KMHP
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsAnalog DevicesSTMicroelectronicsKINGSTATETexas InstrumentsTAIYO YUDEN
Package TypeTO-XXX (Inc. DPAK)TO-XXX (Inc. DPAK)TO-XXX (Inc. DPAK)Small Outline PackagesQuad Flat PackagesOtherOtherCapacitor Chip Non-polarised
Pin Count33338642202
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-55.0°C ~ 125.0°C
Price$0.2310$0.2310$1.2350$0.6378$0.7254$3.4680$0.7688$0.0590
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeNoYesYesYesNoYes
YTEOL0151515109156
AdjustabilityADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLE
Dropout Voltage1-Nom3 V2.25 V2.25 V2.25 V
Input-Output Voltage Differential-Max40 V40 V40 V40 V
Input-Output Voltage Differential-Min3 V3 V3 V3 V
JESD-30 CodeR-PSSO-G2R-PSSO-G2R-PSSO-G2R-PSSO-G2R-PDSO-G8S-PQFP-G64R-PQCC-N20
JESD-609 Codee0e3e3e3e3e4e3
Line Regulation-Max (%/V)0.070.050.020.05
Load Regulation-Max(%)1.5%1%1%1%
Number of Functions11111
Number of Outputs1111
Operating Temperature TJ-Max125 °C125 °C125 °C125 °C
Output Current1-Max0.5 A1.5 A1.5 A1.5 A
Output Voltage1-Max37 V37 V37 V37 V
Output Voltage1-Min1.2 V1.2 V1.2 V1.2 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSMSIP3H,.38,90TBSMSIP3H,.38,90TBSMSIP3H,.38,90TBSMSIP3H,.38,90TBSOP8,.25LCC16/20,.14X.16,20
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARSQUARERECTANGULARRECTANGULAR PACKAGE
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINEFLATPACK, LOW PROFILE, FINE PITCHCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMT
Packing MethodRAILTUBETUBETRTRTR, EMBOSSED, 7 INCH
Peak Reflow Temperature (Cel)235260260260260NOT SPECIFIED260
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 REGULATOR
Surface MountYESYESYESYESYESYESYESYES
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARCMOSCMOSCMOS
Terminal FinishTIN LEADMatte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn) - annealedNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGNO LEAD
Terminal Pitch2.285 mm2.285 mm2.285 mm2.285 mm1.27 mm0.5 mm0.5 mm
Terminal PositionSINGLESINGLESINGLESINGLEDUALQUADQUAD
Time@Peak Reflow Temperature-Max (s)2030303030NOT SPECIFIED30
## LM317MDT Alternates Showing resultsImage
Input Voltage-Max40 V40 V40 V
Input Voltage-Min3 V3 V3 V
Voltage Tolerance-Max5%5%5%
Operating Temperature TJ-Min-40 °C
Output Voltage1-Nom37 V
## LM317AMDT/NOPB Alternates Showing resultsImage
Manufacturer Package CodeR-8
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)0.00005 µA
Bias Current-Max (IIB) @25C0.00005 µA
Common-mode Reject Ratio-Nom87 dB
Frequency CompensationYES
Input Offset Voltage-Max10000 µV
Low-BiasYES
Low-OffsetNO
MicropowerNO
PowerNO
Programmable PowerNO
Slew Rate-Nom140 V/us
Supply Voltage Limit-Max6 V
Supply Voltage-Nom (Vsup)3 V
Temperature GradeAUTOMOTIVEINDUSTRIALINDUSTRIAL
Unity Gain BW-Nom240000
Voltage Gain-Min3980
WidebandYES
## ADA4891-1ARZ-RL Alternates Showing resultsImage
Factory Lead Time12 Weeks
Has ADCYES
Bit Size32
Boundary ScanNO
Clock Frequency-Max48 MHz0.1 MHz
DAC ChannelsYES
DMA ChannelsYES
Number of DMA Channels14
Number of I/O Lines518
Number of Timers14
On Chip Program ROM Width8
PWM ChannelsYES
RAM (bytes)131072
ROM (words)524288
ROM ProgrammabilityFLASH
Speed80 MHz
Supply Voltage-Max3.6 V6 V
Supply Voltage-Min1.8 V2.5 V
Supply Voltage-Nom1.8 V5 V
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISCPARALLEL IO PORT, GENERAL PURPOSE
## STM32L476RET6 Alternates Showing resultsImage
Address Bus Width8
Number of Bits8
Number of Ports1
Supply Current-Max0.1 mA
Reach Compliance CodeCompliant
Capacitance4.7 µF
Capacitor TypeCERAMIC CAPACITOR
Dielectric MaterialCERAMIC
Height2.5 mm
Mounting FeatureSURFACE MOUNT
MultilayerYes
Negative Tolerance10%
Positive Tolerance10%
Rated (DC) Voltage (URdc)25 V
Reference StandardAEC-Q200
Size Code1210
Tan Delta0.05
Temperature Characteristics CodeX7R
Temperature Coefficient15% ppm/°C
Terminal ShapeWRAPAROUND

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 8 alternatives for LM317MDT — 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

LM317MDTX/NOPBby National Semiconductor Corporation Adjustable Positive Standard

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

Why Look for Alternatives?

Finding alternatives for LM317MDT 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 LM317MDT 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.

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FAQ

What is equivalent to LM317MDT?

Known equivalents for LM317MDT include LM317MDT/NOPB, LM317AMDT/NOPB, LM317MDTX/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM317MDT?

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 LM317MDT 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.