LM317LMX/NOPBAlternatives & Equivalent Parts

About LM317LMX/NOPB

LM317LMX/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterLM317LMX/NOPBSourceLM317LM/NOPBLM317LMLM317EMPXL5970ADLM317EMPX/NOPBLM317LD13TRLM317LID
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsSTMicroelectronicsTexas InstrumentsSTMicroelectronicsTexas Instruments
Package TypeSmall Outline PackagesSOT-23Small Outline PackagesSOT223 (3-Pin)Small Outline PackagesSOT223 (3-Pin)Small Outline PackagesSmall Outline Packages
Pin Count83848488
Temperature Range-40.0°C ~ 125.0°C0.0°C ~ 125.0°C-40.0°C ~ 150.0°C-40.0°C ~ 125.0°C
Price$0.2000$0.0681$0.1500$0.4131$1.6058$0.5940$0.0658$0.1708
Electrical Parameters
Pbfree CodeYesYesNoNoYesYes
YTEOL1515008155.9715
AdjustabilityADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLE
Dropout Voltage1-Nom1.8 V1.8 V3 V3 V2.25 V3 V2 V
Input Voltage-Max40 V40 V36 V40 V35 V
Input Voltage-Min4.2 V4.2 V4.4 V3 V3.75 V
Input-Output Voltage Differential-Max40 V40 V40 V40 V40 V40 V35 V
Input-Output Voltage Differential-Min3 V3 V3 V3 V3 V3 V5 V
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G8R-PDSO-G3R-PDSO-G8R-PDSO-G4R-PDSO-G8R-PDSO-G8
JESD-609 Codee3e3e0e0e4e3e4e4
Line Regulation-Max (%/V)0.070.070.070.070.050.070.05
Load Regulation-Max(%)1.5%1.5%1.5%1.5%1%1.5%0.05%
Number of Functions11111111
Number of Outputs1111111
Operating Temperature TJ-Max125 °C125 °C125 °C125 °C125 °C125 °C125 °C
Operating Temperature TJ-Min-40 °C-40 °C-40 °C-40 °C
Output Current1-Max0.1 A0.1 A0.1 A1 A1.5 A0.1 A0.1 A
Output Voltage1-Max38 V38 V37 V37 V37 V37 V37 V
Output Voltage1-Min1.2 V1.2 V1.2 V1.2 V1.2 V1.2 V1.25 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.25SOP8,.25SOT-223SOP8,.25SOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE
Packing MethodTRTUBERAILTRTRTRTUBE
Peak Reflow Temperature (Cel)260260235260260260260260
Qualification StatusNot QualifiedNot QualifiedNot 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 STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Surface MountYESYESYESYESYESYESYESYES
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARBIPOLARBIPOLARBIPOLAR
Terminal FinishMatte Tin (Sn)Matte Tin (Sn)TIN LEADTIN LEADNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm2.3 mm1.27 mm2.3 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)30302030303030
Voltage Tolerance-Max3%3%5%4%
## LM317LMX/NOPB Alternates Showing resultsImage
## LM317LM Alternates Showing resultsImage
## LM317EMPX Alternates Showing resultsImage
Factory Lead Time12 Weeks10 Weeks
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Nom12 V
Output Current-Max1.8 A
Switcher ConfigurationBUCK
Switching Frequency-Max500 kHz
## LM317EMPX/NOPB Alternates Showing resultsImage
## LM317LD13TR Alternates Showing resultsImage
## LM317LID Alternates Showing resultsImage

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

Quick Links

LM317LM/NOPBby Texas Instruments Adjustable Positive Standard

Regulator, 1.2V Min, 38V Max, BIPolar, PDSO8

LM317LMby Fairchild Semiconductor Corporation Adjustable Positive Standard

Regulator, 1.2V Min, 37V Max, BIPolar, PDSO8

LM317EMPX

suggested

L5970AD

suggested

LM317LID

suggested

Why Look for Alternatives?

Finding alternatives for LM317LMX/NOPB 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 LM317LMX/NOPB 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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Request Alternatives for LM317LMX/NOPB

FAQ

What is equivalent to LM317LMX/NOPB?

Known equivalents for LM317LMX/NOPB include LM317LM/NOPB, LM317LM, LM317EMPX. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM317LMX/NOPB?

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 LM317LMX/NOPB 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.