LM2931AD33RAlternatives & Equivalent Parts
About LM2931AD33R
LM2931AD33R 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.
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Specification Comparison
| Parameter | LM2931AD33RSource | LM2931AD33 | LM2931ADT50R | LM2931ACDR2G |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | ON Semiconductor |
| Package Type | Small Outline Packages | Small Outline Packages | Other | Small Outline Packages |
| Pin Count | 8 | 8 | 3 | 8 |
| Temperature Range | — | — | — | — |
| Price | $0.2983 | — | $0.3617 | $0.1048 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | OBSOLETE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 12 Weeks | — | 12 Weeks | 9 Weeks |
| YTEOL | 6.2 | 0 | 0 | 6 |
| Adjustability | FIXED | FIXED | FIXED | ADJUSTABLE |
| Dropout Voltage1-Max | 0.6 V | 0.6 V | 0.6 V | 0.6 V |
| Dropout Voltage1-Nom | 0.25 V | 0.25 V | 0.25 V | 0.16 V |
| Input Voltage Absolute-Max | 40 V | 40 V | 40 V | — |
| Input Voltage-Max | 26 V | 26 V | 26 V | — |
| Input Voltage-Min | 6 V | 6 V | 6 V | — |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PSSO-G2 | R-PDSO-G8 |
| JESD-609 Code | e4 | e4 | e3 | e3 |
| Line Regulation-Max | 0.033% | 0.033% | 0.03% | — |
| Load Regulation-Max | 0.033% | 0.033% | 0.05% | — |
| Number of Functions | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | 150 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C | -40 °C | — |
| Output Current1-Max | 0.1 A | 0.1 A | 0.1 A | 0.1 A |
| Output Voltage1-Max | 3.465 V | 3.465 V | 5.25 V | 29.5 V |
| Output Voltage1-Min | 3.135 V | 3.135 V | 4.75 V | 2.7 V |
| Output Voltage1-Nom | 3.3 V | 3.3 V | 5 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | SMSIP3H,.41TB | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | — | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 2.28 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | SINGLE | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | 30 | 30 |
| Voltage Tolerance-Max | 5% | 5% | 5% | — |
| Screening Level | — | — | AEC-Q100 | — |
| Pbfree Code | — | — | — | Yes |
| Manufacturer Package Code | — | — | — | 751-07 |
| Line Regulation-Max (%/V) | — | — | — | 1.25 |
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 LM2931AD33R — response within 24 hours.
Quick Links
Adjustable Positive LDO Regulator, 2.7V Min, 29.5V Max, 0.6V Dropout, BIPolar, PDSO8
Why Look for Alternatives?
Finding alternatives for LM2931AD33R 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 LM2931AD33R 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 LM2931AD33R?
Known equivalents for LM2931AD33R include LM2931AD33, LM2931ADT50R, LM2931ACDR2G. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2931AD33R?
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 LM2931AD33R 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.