LP2981IM5-5.0/NOPBIn StockTexas Instruments
LP2981IM5-5.0/NOPB is a micropower 100 mA ultra low-dropout linear voltage regulator with 0.2V typical dropout, 16V max input, and fixed 5.0V output in compact SOT-23-5 package. From $0.58 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LP2981IM5-5.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5811(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra Low-Dropout: 0.2V typical / 0.375V max dropout voltage at 100mA, minimizing power dissipation
- Micropower Quiescent Current: Ideal for battery-powered and portable applications requiring minimal standby current
- Fixed 5.0V Output: Precision voltage regulation with tight output accuracy for stable system power rails
- Wide Input Voltage Range: Operates from 6V to 16V input, compatible with a broad range of power sources
- Compact SOT-23-5 Package: Space-saving 5-pin SOT-23 footprint for dense PCB designs
- RoHS Compliant: Pb-free, JESD-609 e3 rating for environmentally responsible designs
Applications
The LP2981IM5-5.0/NOPB is well-suited for battery-powered portable devices, handheld instruments, and IoT sensors where ultra-low quiescent current and minimal dropout are critical for extending battery life. Its fixed 5.0V output and wide 6V–16V input range make it ideal for powering microcontrollers, sensors, and low-power logic in automotive electronics, industrial controls, and consumer gadgets. The compact SOT-23-5 package enables integration into space-constrained designs such as wearables, smart meters, and embedded modules.
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 | 6V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.016% |
| Load Regulation-Max | 0.002475% |
| 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 | 5.175V |
| Output Voltage1-Min | 4.825V |
| Output Voltage1-Nom | 5V |
| 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 | Matte 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 |
| Country of Origin | Mainland China, Malaysia, Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP2981IM5-5.0/NOPB:
Regulator, 5V, 0.375V Dropout, BIPolar, PDSO5
Frequently Asked Questions
What is the dropout voltage of the LP2981IM5-5.0/NOPB?
The LP2981IM5-5.0/NOPB has a typical dropout voltage of 0.2V and a maximum dropout voltage of 0.375V at 100mA output current, making it an ultra low-dropout regulator suitable for applications where the input-output voltage differential is minimal.
What is the output voltage and current rating of the LP2981IM5-5.0/NOPB?
The LP2981IM5-5.0/NOPB provides a fixed 5.0V output voltage with a maximum output current of 100mA. The input voltage range is 6V to 16V (absolute maximum 16V), allowing flexible power supply design.
What package does the LP2981IM5-5.0/NOPB come in, and is it RoHS compliant?
The LP2981IM5-5.0/NOPB is housed in a compact SOT-23-5 (5-pin SOT-23) surface-mount package. It is fully RoHS compliant and Pb-free (JESD-609 e3 rated), making it suitable for environmentally responsible and modern PCB assembly processes.
What are the typical applications for the LP2981IM5-5.0/NOPB?
The LP2981IM5-5.0/NOPB is commonly used in battery-operated portable devices, IoT sensors, handheld instruments, automotive electronics, and embedded systems where a stable 5.0V rail with low quiescent current and minimal dropout voltage is required.
Are there alternative or compatible replacements for the LP2981IM5-5.0/NOPB?
Compatible alternatives include other members of the LP2981 family with different fixed output voltages (e.g., 3.3V, 3.0V variants), as well as similar ultra-low-dropout regulators in SOT-23-5 packages from Texas Instruments such as the TLV700 or LP5900 series, depending on your specific voltage and current requirements.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.6000 | $0.60 |
| 100000+ | $0.5811 | $58110.00 |
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