LD2981ABU33TRAlternatives & Equivalent Parts
About LD2981ABU33TR
LD2981ABU33TR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LD2981ABU33TRSource | LP2985-33DBVT |
|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments |
| Package Type | Other | SOT23 (5-Pin) |
| Pin Count | 3 | 5 |
| Temperature Range | — | — |
| Price | $0.1736 | $0.2400 |
| Electrical Parameters | ||
| YTEOL | 6.4 | 15 |
| Adjustability | FIXED | FIXED |
| Dropout Voltage1-Max | 0.375 V | 0.575 V |
| Dropout Voltage1-Nom | 0.18 V | 0.28 V |
| Input Voltage Absolute-Max | 16 V | 16 V |
| Input Voltage-Max | 16 V | 16 V |
| Input Voltage-Min | 4.3 V | 4.007 V |
| JESD-30 Code | R-PSSO-F3 | R-PDSO-G5 |
| JESD-609 Code | e3 | e3 |
| Line Regulation-Max | 0.0124% | 0.0123552% |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C |
| Output Current1-Max | 0.1 A | 0.15 A |
| Output Voltage1-Max | 3.383 V | 3.432 V |
| Output Voltage1-Min | 3.217 V | 3.168 V |
| Output Voltage1-Nom | 3.3 V | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TO-243 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | TR, 7 INCH |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES |
| Technology | BIPOLAR | CMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | Tin (Sn) |
| Terminal Form | FLAT | GULL WING |
| Terminal Pitch | 1.57 mm | 0.95 mm |
| Terminal Position | SINGLE | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Voltage Tolerance-Max | 2.5% | 4% |
| Pbfree Code | — | Yes |
| Load Regulation-Max | — | 0.132% |
| ## LP2985-33DBVT Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for LD2981ABU33TR 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 LD2981ABU33TR 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 LD2981ABU33TRFAQ
What is equivalent to LD2981ABU33TR?
Known equivalents for LD2981ABU33TR include LP2985-33DBVT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD2981ABU33TR?
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 LD2981ABU33TR 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.