LP2981A-30DBVT Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
Texas Instruments LP2981A-30DBVT is a 100mA fixed 3.0V LDO voltage regulator in SOT-23-5 package. Features ultra-low dropout of 0.2V typical and 1% output accuracy. From $0.45, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LP2981A-30DBVT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4470(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.0V output with ±1% accuracy for precision power regulation
- Ultra-low dropout voltage of 0.2V typical (0.375V max) at 100mA
- Wide input voltage range: 2.2V to 16V absolute maximum
- Compact SOT-23-5 package ideal for space-constrained designs
- RoHS compliant (Pb-free) for green electronics applications
Applications
The LP2981A-30DBVT is well suited for portable and battery-powered devices where efficient 3.0V rail regulation is critical, such as smartphones, wearables, and IoT sensors. Its ultra-low dropout characteristic makes it an excellent choice for systems powered by lithium-ion cells or other supplies close to the 3.0V output level. Industrial handheld equipment and embedded microcontroller boards also benefit from its tight output accuracy and small SOT-23-5 footprint.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.375V |
| Dropout Voltage1-Nom | 0.2V |
| Input Voltage Absolute-Max | 16V |
| Input Voltage-Max | 16V |
| Input Voltage-Min | 2.2V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.0115% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 3.075V |
| Output Voltage1-Min | 2.925V |
| Output Voltage1-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 2.5% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP2981A-30DBVT:
Regulator, 3V, 0.375V Dropout, BIPolar, PDSO5
Frequently Asked Questions
What is the output voltage and accuracy of the LP2981A-30DBVT?
The LP2981A-30DBVT provides a fixed 3.0V output with ±1% accuracy. This tight regulation makes it suitable for powering precision analog circuits, microcontrollers, and sensors that require a stable 3.0V supply.
What is the maximum output current and dropout voltage?
The LP2981A-30DBVT supports a maximum output current of 100mA (0.1A). Its typical dropout voltage is only 0.2V (0.375V maximum), allowing it to maintain regulation even when the input supply is very close to 3.0V, which is ideal for battery-powered applications.
What is the input voltage range for the LP2981A-30DBVT?
The device operates with an input voltage range of 2.2V to 16V (absolute maximum 16V), giving designers flexibility across a wide variety of power supply sources including single-cell Li-ion batteries and standard 5V or 12V rails.
What package does the LP2981A-30DBVT use and where can I buy it?
The LP2981A-30DBVT comes in a compact 5-pin SOT-23 (SOT-23-5) package, which is ideal for space-constrained PCB layouts. It is available from authorized distributors worldwide starting at approximately $0.45 per unit, with stock available for immediate shipment.
What are typical applications for the LP2981A-30DBVT?
Typical applications include portable consumer electronics, IoT sensor nodes, wearable devices, embedded microcontroller boards, and industrial handheld equipment. Any design requiring a compact, efficient, and accurate 3.0V supply with minimal external components can benefit from this LDO regulator.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.6060 | $6.06 |
| 25+ | $0.5452 | $13.63 |
| 100+ | $0.4787 | $47.87 |
| 250+ | $0.4470 | $111.76 |
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