LM317LDGAlternatives & Equivalent Parts

LM317LDG is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About LM317LDG

LM317LDG is a Integrated Circuit component manufactured by ON Semiconductor. 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.

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Specification Comparison

ParameterLM317LDGSourceL5970ADLM317EMPX/NOPBLM317LD13TRLM317LID
ManufacturerON SemiconductorSTMicroelectronicsTexas InstrumentsSTMicroelectronicsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline PackagesSOT223 (3-Pin)Small Outline PackagesSmall Outline Packages
Pin Count88488
Temperature Range—-40.0°C ~ 150.0°C——-40.0°C ~ 125.0°C
Price$0.0500$1.6058$0.5940$0.0658$0.1708
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYes—Yes—Yes
Manufacturer Package Code751-07————
YTEOL08155.9715
AdjustabilityADJUSTABLE—ADJUSTABLEADJUSTABLEADJUSTABLE
Dropout Voltage1-Nom3 V—2.25 V3 V2 V
Input-Output Voltage Differential-Max40 V—40 V40 V35 V
Input-Output Voltage Differential-Min3 V—3 V3 V5 V
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G4R-PDSO-G8R-PDSO-G8
JESD-609 Codee3e4e3e4e4
Line Regulation-Max (%/V)0.07—0.050.070.05
Load Regulation-Max(%)1.5%—1%1.5%0.05%
Number of Functions11111
Number of Outputs1—111
Operating Temperature TJ-Max125 °C—125 °C125 °C125 °C
Output Current1-Max0.1 A—1.5 A0.1 A0.1 A
Output Voltage1-Max37 V—37 V37 V37 V
Output Voltage1-Min1.2 V—1.2 V1.2 V1.25 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25——SOP8,.25SOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE
Packing MethodRAIL—TRTRTUBE
Peak Reflow Temperature (Cel)260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Regulator TypeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR—ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Surface MountYESYESYESYESYES
TechnologyBIPOLAR—BIPOLARBIPOLARBIPOLAR
Terminal FinishMatte Tin (Sn) - annealedNickel/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 WING
Terminal Pitch1.27 mm1.27 mm2.3 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)4030303030
Factory Lead Time—12 Weeks—10 Weeks—
Analog IC - Other Type—SWITCHING REGULATOR———
Control Mode—VOLTAGE-MODE———
Control Technique—PULSE WIDTH MODULATION———
Input Voltage-Max—36 V40 V—35 V
Input Voltage-Min—4.4 V3 V—3.75 V
Input Voltage-Nom—12 V———
Output Current-Max—1.8 A———
Switcher Configuration—BUCK———
Switching Frequency-Max—500 kHz———
Voltage Tolerance-Max——5%—4%
## LM317EMPX/NOPB Alternates Showing results——Image——
## LM317LD13TR Alternates Showing results———Image—
Operating Temperature TJ-Min————-40 °C
## LM317LID Alternates Showing results————Image

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 4 alternatives for LM317LDG — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for LM317LDG 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 LM317LDG 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 LM317LDG?

Known equivalents for LM317LDG include L5970AD, LM317EMPX/NOPB, LM317LD13TR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM317LDG?

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 LM317LDG 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.