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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLP2981AIM5-2.5
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LP2981AIM5-2.5 - Texas Instruments

Manufacturer Part Number
LP2981AIM5-2.5
Manufacturer
Texas Instruments
Allelco Part Number
32D-LP2981AIM5-2.5
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR 2.5V 100MA SOT23-5
Package
SOT-23-5
Data sheet
1.LP2981AIM5-2.5.pdf ...

PCN Design/Specification

Cylindrical Battery Holders.pdf

PCN Obsolescence/ EOL

Cylindrical Battery Holders.pdf

HTML Datasheet

LP2981 Datasheet.pdf

PCN Assembly/Origin

2.73KHz.pdf
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Specifications

LP2981AIM5-2.5 Tech Specifications
Texas Instruments - LP2981AIM5-2.5 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LP2981AIM5-2.5

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 0.37V @ 100mA  
Voltage - Output (Min/Fixed) 2.5V  
Voltage - Output (Max) -  
Voltage - Input (Max) 16V  
Supplier Device Package SOT-23-5  
Series -  
Protection Features Over Current, Over Temperature, Short Circuit  
Package / Case SC-74A, SOT-753  
Package Tape & Reel (TR)  
PSRR 63dB (1kHz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 1.7 mA  
Current - Quiescent (Iq) 95 µA  
Current - Output 100mA  
Control Features Enable  
Base Product Number LP2981  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Affected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LP2981AIM5-2.5

Manufacturer

Texas Instruments

Introduction

Low Drop Out Linear Regulator specialized for Power Management Applications

Product Features and Performance

Fixed 2.5V Output Voltage

Supports Up to 100mA Output Current

Low Dropout of 0.37V at 100mA Load

High PSRR 63dB at 1kHz

Low Quiescent Current of 95 µA

Wide Input Voltage Range up to 16V

Enable Control Feature for Power Saving

Product Advantages

High Efficiency for Battery Powered Devices

Stable with Ceramic Output Capacitors

Small Surface Mount Package (SOT-23-5)

Low Dropout Good for Low Voltage Operations

Key Technical Parameters

Input Voltage (Max) 16V

Output Voltage (Min/Fixed) 2.5V

Output Current 100mA

Dropout Voltage (Max) 0.37V

Quiescent Current (Iq) 95 µA

Quality and Safety Features

Protection Against Over Current

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with Ceramic Capacitors

SOT-23-5 Package for Use in Compact PCB Designs

Application Areas

Battery-Powered Devices

Portable Electronics

Microcontroller Power Supply

Product Lifecycle

Obsolete Status

Availability of Replacements or Upgrades may be Limited

Key Reasons to Choose This Product

Optimized for Low Voltage Electronics

Ideal for Power Sensitive Devices needing Low Quiescent Current

Texas Instruments Reputation for Quality and Reliability

Built-in Protection Features Enhance Device Safety

Excellent Noise Suppression Capabilities

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LP2981AIM5-2.5

Product Attribute LP2981AIM5-2.8 LP2981AIM5-2.9/NOPB LP2981AIM5-2.8/NOPB LP2981AIM5-2.7/NOPB
Part Number LP2981AIM5-2.8 LP2981AIM5-2.9/NOPB LP2981AIM5-2.8/NOPB LP2981AIM5-2.7/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Current - Supply (Max) - - - -
Voltage - Output (Min/Fixed) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Current - Output - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
PSRR - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Protection Features - - - -
Voltage - Input (Max) - - - -
Current - Quiescent (Iq) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Output Configuration - - - -
Voltage Dropout (Max) - - - -
Voltage - Output (Max) - - - -
Control Features - - - -
Number of Regulators - - - -
Series - - - -

LP2981AIM5-2.5 Datasheet PDF

Download LP2981AIM5-2.5 pdf datasheets and Texas Instruments documentation for LP2981AIM5-2.5 - Texas Instruments.

PCN Design/Specification
Cylindrical Battery Holders.pdf
PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf
HTML Datasheet
LP2981 Datasheet.pdf
PCN Assembly/Origin
2.73KHz.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LP2981AIM5-2.5 Image

LP2981AIM5-2.5

Texas Instruments
32D-LP2981AIM5-2.5

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