LM317MDCYG3Alternatives & Equivalent Parts
About LM317MDCYG3
LM317MDCYG3 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 | LM317MDCYG3Source | LM317MQDCYRG4 | LM317MDCYRG3 | LM317MDCY |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT223 (3-Pin) | SOT223 (3-Pin) | Other | — |
| Pin Count | 4 | 4 | 4 | — |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — |
| Price | $0.2187 | $0.4204 | $0.2187 | $0.2187 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | NOT RECOMMENDED | ACTIVE | — |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | — |
| YTEOL | 15 | 15 | 15 | — |
| Adjustability | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | — |
| Dropout Voltage1-Nom | 2 V | 2 V | 2 V | — |
| Input Voltage-Max | 40 V | 40 V | 40 V | — |
| Input Voltage-Min | 3.75 V | 3 V | 3.75 V | — |
| Input-Output Voltage Differential-Max | 40 V | 40 V | 40 V | — |
| Input-Output Voltage Differential-Min | 3 V | 3 V | 3 V | — |
| JESD-30 Code | R-PDSO-G4 | R-PDSO-G4 | R-PDSO-G4 | — |
| JESD-609 Code | e3 | e4 | e3 | — |
| Line Regulation-Max (%/V) | 0.07 | 0.07 | 0.07 | — |
| Load Regulation-Max(%) | 1.5% | 1.5% | 1.5% | — |
| Number of Functions | 1 | 1 | 1 | — |
| Number of Outputs | 1 | 1 | 1 | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | — |
| Output Current1-Max | 0.5 A | 0.5 A | 0.5 A | — |
| Output Voltage1-Max | 37 V | 37 V | 37 V | — |
| Output Voltage1-Min | 1.2 V | 1.25 V | 1.2 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOT-223 | SOT-223 | SOT-223 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | — |
| Packing Method | TUBE | TR | TR | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — |
| Qualification Status | 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 | — |
| Surface Mount | YES | YES | YES | — |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | — |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 2.3 mm | 2.3 mm | 2.3 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — |
| Voltage Tolerance-Max | 3% | 2% | 3% | — |
| Operating Temperature TJ-Min | — | -40 °C | — | — |
| Output Voltage1-Nom | — | 37 V | — | — |
| Screening Level | — | AEC-Q100 | — | — |
| ## LM317MQDCYRG4 Alternates Showing results | — | Image | — | — |
| ## LM317MDCYRG3 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 3 alternatives for LM317MDCYG3 — response within 24 hours.
Quick Links
Regulator, 1.25V Min, 37V Max, BIPolar, PDSO4
Regulator, 1.2V Min, 37V Max, BIPolar, PDSO4
Why Look for Alternatives?
Finding alternatives for LM317MDCYG3 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 LM317MDCYG3 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 LM317MDCYG3?
Known equivalents for LM317MDCYG3 include LM317MQDCYRG4, LM317MDCYRG3, LM317MDCY. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317MDCYG3?
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 LM317MDCYG3 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.