LP2981-33DBVRAlternatives & Equivalent Parts
About LP2981-33DBVR
LP2981-33DBVR is a Power Supply component manufactured by Texas Instruments. It comes in a SOT23 (5-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 | LP2981-33DBVRSource | LP2981IM5-3.3/NOPB | SST26VF016BT-104V/SN | R76TI22204040J | NUP4304MR6T1G | LP2981-33DBVT | LP2981-33DBVTE4 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Microchip | Kemet | ON Semiconductor | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Small Outline Packages | Other | SOT23 (6-Pin) | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 5 | 8 | 2 | 6 | 5 | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 105.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.1560 | $0.3375 | $1.6100 | $0.4463 | $0.1093 | $0.1714 | $0.1585 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | — | ACTIVE | OBSOLETE | OBSOLETE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | Yes | — | — | Yes | — | Yes |
| YTEOL | 15 | 15 | 13 | — | 7.11 | 0 | 0 |
| Adjustability | FIXED | FIXED | — | — | — | FIXED | FIXED |
| Dropout Voltage1-Max | 0.375 V | 0.375 V | — | — | — | 0.375 V | 0.375 V |
| Dropout Voltage1-Nom | 0.2 V | 0.2 V | — | — | — | 0.2 V | 0.2 V |
| Input Voltage Absolute-Max | 16 V | 16 V | — | — | — | 16 V | 16 V |
| Input Voltage-Max | 16 V | 16 V | — | — | — | 16 V | 16 V |
| Input Voltage-Min | 2.2 V | 4.3 V | — | — | — | 2.2 V | 2.2 V |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | R-PDSO-G8 | — | R-PDSO-G6 | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e3 | e3 | e3 | — | e3 | e4 | e4 |
| Line Regulation-Max | 0.0124% | 0.0124% | — | — | — | 0.0124% | 0.0124% |
| Load Regulation-Max | 0.0016335% | 0.0016335% | — | — | — | 0.0016335% | — |
| Number of Functions | 1 | 1 | 1 | — | — | 1 | 1 |
| Number of Outputs | 1 | 1 | — | — | — | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | — | — | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C | — | — | — | -40 °C | -40 °C |
| Output Current1-Max | 0.1 A | 0.1 A | — | — | — | 0.1 A | 0.1 A |
| Output Voltage1-Max | 3.4155 V | 3.4155 V | — | — | — | 3.4155 V | 3.4155 V |
| Output Voltage1-Min | 3.1845 V | 3.1845 V | — | — | — | 3.1845 V | 3.1845 V |
| Output Voltage1-Nom | 3.3 V | 3.3 V | — | — | — | 3.3 V | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | SOP8,.23 | — | — | TSOP5/6,.11,37 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | — | — | — | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | 260 | 260 | 260 |
| Qualification Status | Not Qualified | 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 | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES | YES | — | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | CMOS | — | AVALANCHE | BIPOLAR | BIPOLAR |
| Terminal Finish | Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm | 1.27 mm | — | — | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | — | 30 | 30 | NOT SPECIFIED |
| Voltage Tolerance-Max | 3.5% | 3.5% | — | — | — | 3.5% | 3.5% |
| ## LP2981-33DBVR Alternates Showing results | Image | — | — | — | — | — | — |
| Manufacturer Package Code | — | — | SOIC-8 | — | 318F-05 | — | — |
| Reach Compliance Code | — | — | Compliant | — | — | — | — |
| Factory Lead Time | — | — | 6 Weeks | — | 10 Weeks | — | — |
| Clock Frequency-Max (fCLK) | — | — | 104 MHz | — | — | — | — |
| Data Retention Time-Min | — | — | 100 | — | — | — | — |
| Endurance | — | — | 100000 Write/Erase Cycles | — | — | — | — |
| Memory Density | — | — | 16777216 bit | — | — | — | — |
| Memory IC Type | — | — | FLASH | — | — | — | — |
| Memory Width | — | — | 1 | — | — | — | — |
| Number of Ports | — | — | 1 | — | — | — | — |
| Number of Words | — | — | 16777216 words | — | — | — | — |
| Number of Words Code | — | — | 16000000 | — | — | — | — |
| Operating Mode | — | — | SYNCHRONOUS | — | — | — | — |
| Organization | — | — | 16MX1 | — | — | — | — |
| Output Characteristics | — | — | 3-STATE | — | — | — | — |
| Parallel/Serial | — | — | SERIAL | — | — | — | — |
| Programming Voltage | — | — | 3 V | — | — | — | — |
| Screening Level | — | — | AEC-Q100 | — | — | — | — |
| Serial Bus Type | — | — | SPI | — | — | — | — |
| Standby Current-Max | — | — | 0.000025 A | — | — | — | — |
| Supply Current-Max | — | — | 0.025 mA | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | 3.6 V | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | 2.7 V | — | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 3 V | — | — | — | — |
| Temperature Grade | — | — | INDUSTRIAL | — | — | — | — |
| Type | — | — | NOR TYPE | — | — | — | — |
| Write Protection | — | — | HARDWARE/SOFTWARE | — | — | — | — |
| ## SST26VF016BT-104V/SN Alternates Showing results | — | — | Image | — | — | — | — |
| Additional Feature | — | — | — | — | LOW CAPACITANCE | — | — |
| Breakdown Voltage-Min | — | — | — | — | 70 V | — | — |
| Configuration | — | — | — | — | COMPLEX, 4 CHANNEL | — | — |
| Diode Element Material | — | — | — | — | SILICON | — | — |
| Diode Type | — | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — | — |
| Forward Voltage-Max (VF) | — | — | — | — | 1.25 V | — | — |
| Number of Elements | — | — | — | — | 8 | — | — |
| Polarity | — | — | — | — | UNIDIRECTIONAL | — | — |
| Reference Standard | — | — | — | — | IEC-61000-4-2 | — | — |
| Rep Pk Reverse Voltage-Max | — | — | — | — | 70 V | — | — |
| Reverse Current-Max | — | — | — | — | 2.5 µA | — | — |
| Reverse Test Voltage | — | — | — | — | 70 V | — | — |
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 6 alternatives for LP2981-33DBVR — response within 24 hours.
Quick Links
Regulator, 3.3V, 0.375V Dropout, BIPolar, PDSO5
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suggested
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Fixed Positive LDO Regulator, 3.3V, 0.375V Dropout, BIPolar, PDSO5
Why Look for Alternatives?
Finding alternatives for LP2981-33DBVR 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 LP2981-33DBVR 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 LP2981-33DBVR?
Known equivalents for LP2981-33DBVR include LP2981IM5-3.3/NOPB, SST26VF016BT-104V/SN, R76TI22204040J. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LP2981-33DBVR?
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 LP2981-33DBVR 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.