L5970ADAlternatives & Equivalent Parts
About L5970AD
L5970AD is a Integrated Circuit component manufactured by STMicroelectronics. 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
| Parameter | L5970ADSource | LM317EMPX/NOPB | LM317LD13TR | LM317LID |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | STMicroelectronics | Texas Instruments |
| Package Type | Small Outline Packages | SOT223 (3-Pin) | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 4 | 8 | 8 |
| Temperature Range | -40.0°C ~ 150.0°C | — | — | -40.0°C ~ 125.0°C |
| Price | $1.6058 | $0.5940 | $0.0658 | $0.1708 |
| Electrical Parameters | ||||
| Factory Lead Time | 12 Weeks | — | 10 Weeks | — |
| YTEOL | 8 | 15 | 5.97 | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR | — | — | — |
| Control Mode | VOLTAGE-MODE | — | — | — |
| Control Technique | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Max | 36 V | 40 V | — | 35 V |
| Input Voltage-Min | 4.4 V | 3 V | — | 3.75 V |
| Input Voltage-Nom | 12 V | — | — | — |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G4 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e4 | e3 | e4 | e4 |
| Number of Functions | 1 | 1 | 1 | 1 |
| Output Current-Max | 1.8 A | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Surface Mount | YES | YES | YES | YES |
| Switcher Configuration | BUCK | — | — | — |
| Switching Frequency-Max | 500 kHz | — | — | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 2.3 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 |
| Pbfree Code | — | Yes | — | Yes |
| Adjustability | — | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Nom | — | 2.25 V | 3 V | 2 V |
| Input-Output Voltage Differential-Max | — | 40 V | 40 V | 35 V |
| Input-Output Voltage Differential-Min | — | 3 V | 3 V | 5 V |
| Line Regulation-Max (%/V) | — | 0.05 | 0.07 | 0.05 |
| Load Regulation-Max(%) | — | 1% | 1.5% | 0.05% |
| Number of Outputs | — | 1 | 1 | 1 |
| Operating Temperature TJ-Max | — | 125 °C | 125 °C | 125 °C |
| Output Current1-Max | — | 1.5 A | 0.1 A | 0.1 A |
| Output Voltage1-Max | — | 37 V | 37 V | 37 V |
| Output Voltage1-Min | — | 1.2 V | 1.2 V | 1.25 V |
| Packing Method | — | TR | TR | TUBE |
| Regulator Type | — | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Technology | — | BIPOLAR | BIPOLAR | BIPOLAR |
| Voltage Tolerance-Max | — | 5% | — | 4% |
| ## LM317EMPX/NOPB Alternates Showing results | — | Image | — | — |
| Package Equivalence Code | — | — | SOP8,.25 | SOP8,.25 |
| ## 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.
Quick Links
Why Look for Alternatives?
Finding alternatives for L5970AD 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 L5970AD 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 L5970ADFAQ
What is equivalent to L5970AD?
Known equivalents for L5970AD include LM317EMPX/NOPB, LM317LD13TR, LM317LID. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L5970AD?
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 L5970AD 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.