LM317EMPX/NOPBAlternatives & Equivalent Parts
About LM317EMPX/NOPB
LM317EMPX/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT223 (3-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LM317EMPX/NOPBSource | LM317EMPX | L5970AD | LM317LD13TR | LM317LDG | LM317LID | LM317EMP |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | STMicroelectronics | STMicroelectronics | ON Semiconductor | Texas Instruments | Texas Instruments |
| Package Type | SOT223 (3-Pin) | SOT223 (3-Pin) | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOT223 (3-Pin) |
| Pin Count | 4 | 4 | 8 | 8 | 8 | 8 | 4 |
| Temperature Range | — | — | -40.0°C ~ 150.0°C | — | — | -40.0°C ~ 125.0°C | — |
| Price | $0.5940 | $0.4131 | $1.6058 | $0.0658 | $0.0500 | $0.1708 | $0.4467 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | OBSOLETE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | No | — | — | Yes | Yes | Yes |
| YTEOL | 15 | 0 | 8 | 5.97 | 0 | 15 | 0 |
| Adjustability | ADJUSTABLE | ADJUSTABLE | — | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Nom | 2.25 V | 3 V | — | 3 V | 3 V | 2 V | 2.25 V |
| Input Voltage-Max | 40 V | — | 36 V | — | — | 35 V | 40 V |
| Input Voltage-Min | 3 V | — | 4.4 V | — | — | 3.75 V | 3 V |
| Input-Output Voltage Differential-Max | 40 V | 40 V | — | 40 V | 40 V | 35 V | 40 V |
| Input-Output Voltage Differential-Min | 3 V | 3 V | — | 3 V | 3 V | 5 V | 3 V |
| JESD-30 Code | R-PDSO-G4 | R-PDSO-G3 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G3 |
| JESD-609 Code | e3 | e0 | e4 | e4 | e3 | e4 | e0 |
| Line Regulation-Max (%/V) | 0.05 | 0.07 | — | 0.07 | 0.07 | 0.05 | 0.07 |
| Load Regulation-Max(%) | 1% | 1.5% | — | 1.5% | 1.5% | 0.05% | 1.5% |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | — | 1 | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | 125 °C | 125 °C | 125 °C | 125 °C |
| Output Current1-Max | 1.5 A | 1 A | — | 0.1 A | 0.1 A | 0.1 A | 1.5 A |
| Output Voltage1-Max | 37 V | 37 V | — | 37 V | 37 V | 37 V | 37 V |
| Output Voltage1-Min | 1.2 V | 1.2 V | — | 1.2 V | 1.2 V | 1.25 V | 1.2 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TR | — | TR | RAIL | TUBE | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | 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 | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | — | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) | TIN LEAD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | TIN LEAD |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.3 mm | 2.3 mm | 1.27 mm | 1.27 mm | 1.27 mm | 1.27 mm | 2.3 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 | 40 | 30 | — |
| Voltage Tolerance-Max | 5% | — | — | — | — | 4% | 5% |
| ## LM317EMPX/NOPB Alternates Showing results | Image | — | — | — | — | — | — |
| Package Equivalence Code | — | SOT-223 | — | SOP8,.25 | SOP8,.25 | SOP8,.25 | SOT-223 |
| ## LM317EMPX Alternates Showing results | — | Image | — | — | — | — | — |
| Factory Lead Time | — | — | 12 Weeks | 10 Weeks | — | — | — |
| Analog IC - Other Type | — | — | SWITCHING REGULATOR | — | — | — | — |
| Control Mode | — | — | VOLTAGE-MODE | — | — | — | — |
| Control Technique | — | — | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Nom | — | — | 12 V | — | — | — | — |
| Output Current-Max | — | — | 1.8 A | — | — | — | — |
| Switcher Configuration | — | — | BUCK | — | — | — | — |
| Switching Frequency-Max | — | — | 500 kHz | — | — | — | — |
| ## LM317LD13TR Alternates Showing results | — | — | — | Image | — | — | — |
| Manufacturer Package Code | — | — | — | — | 751-07 | — | — |
| Operating Temperature TJ-Min | — | — | — | — | — | -40 °C | — |
| ## LM317LID Alternates Showing results | — | — | — | — | — | Image | — |
| Date Of Intro | — | — | — | — | — | — | 1997-11-01 |
| ## LM317EMP Alternates Showing results | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 6 alternatives for LM317EMPX/NOPB — response within 24 hours.
Quick Links
Regulator, 1.2V Min, 37V Max, BIPolar, PDSO3
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Why Look for Alternatives?
Finding alternatives for LM317EMPX/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 LM317EMPX/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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FAQ
What is equivalent to LM317EMPX/NOPB?
Known equivalents for LM317EMPX/NOPB include LM317EMPX, L5970AD, LM317LD13TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317EMPX/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 LM317EMPX/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.