LP2981-28DBVT Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
Texas Instruments LP2981-28DBVT is a 100mA fixed 2.8V LDO voltage regulator in a 5-pin SOT-23 package with 2.2–16V input range and ±2% accuracy. Features ultra-low dropout voltage of 200mV and low quiescent current for battery-powered applications. From $0.44, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LP2981-28DBVT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4358(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 2.8V output with ±2% accuracy for precise voltage regulation
- Ultra-low dropout voltage of 200mV (typ) at 100mA for efficient battery-powered designs
- Wide input voltage range 2.2V to 16V for versatile power supply compatibility
- Tiny 5-pin SOT-23 package ideal for space-constrained portable applications
- Low quiescent current minimizes power consumption in standby modes
Applications
The LP2981-28DBVT is well-suited for portable consumer electronics such as smartphones, tablets, and wearable devices where compact size and battery efficiency are critical. It is also used in IoT sensor nodes, handheld instruments, and wireless modules requiring a stable 2.8V supply rail. Its wide input range and low dropout make it an excellent choice for single-cell Li-ion and multi-cell alkaline battery-powered systems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| 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 | e3 |
| Line Regulation-Max | 0.0109% |
| Load Regulation-Max | 0.001386% |
| 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 | 2.898V |
| Output Voltage1-Min | 2.702V |
| Output Voltage1-Nom | 2.8V |
| 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 | Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3.5% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and accuracy of the LP2981-28DBVT?
The LP2981-28DBVT provides a fixed 2.8V output voltage with ±2% accuracy over the full operating temperature range, ensuring reliable and stable power for precision analog and digital circuits.
What is the maximum output current of the LP2981-28DBVT?
The LP2981-28DBVT can supply up to 100mA (0.1A) of output current, making it suitable for low-power microcontrollers, sensors, and RF modules in portable and battery-operated designs.
What input voltage range does the LP2981-28DBVT support?
The LP2981-28DBVT accepts an input voltage from 2.2V to 16V, providing broad compatibility with single-cell Li-ion batteries, multi-cell alkaline packs, and regulated DC bus voltages up to 16V.
What package does the LP2981-28DBVT come in and what are typical applications?
It is housed in a compact 5-pin SOT-23 (SOT-23-5) package. Typical applications include portable consumer electronics, IoT sensor nodes, wearables, handheld instruments, and any space-constrained design requiring a stable 2.8V LDO rail.
Is the LP2981-28DBVT RoHS compliant?
Yes, the LP2981-28DBVT is lead-free (Pb-free) and RoHS compliant, as indicated by its JESD-609 e3 code, making it suitable for modern environmentally-conscious manufacturing processes.
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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.
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