LM317LM/NOPBAlternatives & Equivalent Parts
About LM317LM/NOPB
LM317LM/NOPB is a power-management component manufactured by Texas Instruments. It comes in a SOT-23 package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM317LM/NOPBSource | LM317T | LM317LM | LM317LMX/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT-23 | Transistor Outline, Vertical | Small Outline Packages | Small Outline Packages |
| Pin Count | 3 | 3 | 8 | 8 |
| Temperature Range | 0.0°C ~ 125.0°C | — | — | -40.0°C ~ 125.0°C |
| Price | $0.0681 | $0.1890 | $0.1500 | $0.2000 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | No | Yes |
| YTEOL | 15 | 0 | 0 | 15 |
| Adjustability | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Nom | 1.8 V | 2.25 V | 3 V | 1.8 V |
| Input Voltage-Max | 40 V | 40 V | — | 40 V |
| Input Voltage-Min | 4.2 V | 3 V | — | 4.2 V |
| Input-Output Voltage Differential-Max | 40 V | 40 V | 40 V | 40 V |
| Input-Output Voltage Differential-Min | 3 V | 3 V | 3 V | 3 V |
| JESD-30 Code | R-PDSO-G8 | R-PSFM-T3 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e0 | e0 | e3 |
| Line Regulation-Max (%/V) | 0.07 | 0.07 | 0.07 | 0.07 |
| Load Regulation-Max(%) | 1.5% | 1.5% | 1.5% | 1.5% |
| Number of Functions | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | — | -40 °C | -40 °C |
| Output Current1-Max | 0.1 A | 1.5 A | 0.1 A | 0.1 A |
| Output Voltage1-Max | 38 V | 37 V | 37 V | 38 V |
| Output Voltage1-Min | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | — | SOP8,.25 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | FLANGE MOUNT | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | TUBE | RAIL | TR |
| Peak Reflow Temperature (Cel) | 260 | NOT SPECIFIED | 235 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | YES | NO | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | TIN LEAD | Matte Tin (Sn) |
| Terminal Form | GULL WING | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 2.54 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | SINGLE | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | NOT SPECIFIED | 20 | 30 |
| Voltage Tolerance-Max | 3% | 5% | — | 3% |
| Date Of Intro | — | 1989-01-01 | — | — |
| ## LM317T Alternates Showing results | — | Image | — | — |
| ## LM317LM Alternates Showing results | — | — | Image | — |
| ## LM317LMX/NOPB Alternates Showing results | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Higher current (1.5A) version of LM317 in TO-220 package; same adjustment formula
Regulator, 1.2V Min, 37V Max, BIPolar, PDSO8
Adjustable Positive Standard Regulator, 1.2V Min, 38V Max, BIPolar, PDSO8
Why Look for Alternatives?
Finding alternatives for LM317LM/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 LM317LM/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 LM317LM/NOPBFAQ
What is equivalent to LM317LM/NOPB?
Known equivalents for LM317LM/NOPB include LM317T, LM317LM, LM317LMX/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317LM/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 LM317LM/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.