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.

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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 CodeNoYesYesYesNo——Yes—
YTEOL0151515109—156
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-G64—R-PQCC-N20—
JESD-609 Codee0e3e3e3e3——e4e3
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/EPOXY—PLASTIC/EPOXY—
Package Equivalence CodeSMSIP3H,.38,90TBSMSIP3H,.38,90TBSMSIP3H,.38,90TBSMSIP3H,.38,90TBSOP8,.25——LCC16/20,.14X.16,20—
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARSQUARE—RECTANGULARRECTANGULAR PACKAGE
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINEFLATPACK, LOW PROFILE, FINE PITCH—CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMT
Packing MethodRAILTUBETUBETRTR———TR, EMBOSSED, 7 INCH
Peak Reflow Temperature (Cel)235260260260260NOT SPECIFIED—260—
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified——Not Qualified—
Regulator TypeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR—————
Surface MountYESYESYESYESYESYES—YESYES
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARCMOSCMOS—CMOS—
Terminal FinishTIN LEADMatte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn) - annealed——Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WING—NO LEAD—
Terminal Pitch2.285 mm2.285 mm2.285 mm2.285 mm1.27 mm0.5 mm—0.5 mm—
Terminal PositionSINGLESINGLESINGLESINGLEDUALQUAD—QUAD—
Time@Peak Reflow Temperature-Max (s)2030303030NOT SPECIFIED—30—
## LM317MDT Alternates Showing resultsImage————————
Input Voltage-Max—40 V40 V40 V—————
Input Voltage-Min—3 V3 V3 V—————
Voltage Tolerance-Max—5%5%5%—————
Operating Temperature TJ-Min——-40 °C——————
Output Voltage1-Nom——37 V——————
## LM317AMDT/NOPB Alternates Showing results——Image——————
Manufacturer Package Code————R-8————
Amplifier Type————OPERATIONAL AMPLIFIER————
Architecture————VOLTAGE-FEEDBACK————
Average Bias Current-Max (IIB)————0.00005 µA————
Bias Current-Max (IIB) @25C————0.00005 µA————
Common-mode Reject Ratio-Nom————87 dB————
Frequency Compensation————YES————
Input Offset Voltage-Max————10000 µV————
Low-Bias————YES————
Low-Offset————NO————
Micropower————NO————
Power————NO————
Programmable Power————NO————
Slew Rate-Nom————140 V/us————
Supply Voltage Limit-Max————6 V————
Supply Voltage-Nom (Vsup)————3 V————
Temperature Grade————AUTOMOTIVEINDUSTRIAL—INDUSTRIAL—
Unity Gain BW-Nom————240000————
Voltage Gain-Min————3980————
Wideband————YES————
## ADA4891-1ARZ-RL Alternates Showing results————Image————
Factory Lead Time—————12 Weeks———
Has ADC—————YES———
Bit Size—————32———
Boundary Scan—————NO———
Clock Frequency-Max—————48 MHz—0.1 MHz—
DAC Channels—————YES———
DMA Channels—————YES———
Number of DMA Channels—————14———
Number of I/O Lines—————51—8—
Number of Timers—————14———
On Chip Program ROM Width—————8———
PWM Channels—————YES———
RAM (bytes)—————131072———
ROM (words)—————524288———
ROM Programmability—————FLASH———
Speed—————80 MHz———
Supply Voltage-Max—————3.6 V—6 V—
Supply Voltage-Min—————1.8 V—2.5 V—
Supply Voltage-Nom—————1.8 V—5 V—
uPs/uCs/Peripheral ICs Type—————MICROCONTROLLER, RISC—PARALLEL IO PORT, GENERAL PURPOSE—
## STM32L476RET6 Alternates Showing results—————Image———
Address Bus Width———————8—
Number of Bits———————8—
Number of Ports———————1—
Supply Current-Max———————0.1 mA—
Reach Compliance Code————————Compliant
Capacitance————————4.7 µF
Capacitor Type————————CERAMIC CAPACITOR
Dielectric Material————————CERAMIC
Height————————2.5 mm
Mounting Feature————————SURFACE MOUNT
Multilayer————————Yes
Negative Tolerance————————10%
Positive Tolerance————————10%
Rated (DC) Voltage (URdc)————————25 V
Reference Standard————————AEC-Q200
Size Code————————1210
Tan Delta————————0.05
Temperature Characteristics Code————————X7R
Temperature Coefficient————————15% ppm/°C
Terminal Shape————————WRAPAROUND

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.