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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLP3871ES-2.5
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LP3871ES-2.5 - Texas Instruments

Manufacturer Part Number
LP3871ES-2.5
Manufacturer
Texas Instruments
Allelco Part Number
32D-LP3871ES-2.5
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR 2.5V 800MA DDPAK
Package
DDPAK/TO-263-5
Data sheet
-
Our certification
In stock: 4810

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Specifications

LP3871ES-2.5 Tech Specifications
Texas Instruments - LP3871ES-2.5 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LP3871ES-2.5

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 0.35V @ 800mA  
Voltage - Output (Min/Fixed) 2.5V  
Voltage - Output (Max) -  
Voltage - Input (Max) 7V  
Supplier Device Package DDPAK/TO-263-5  
Series -  
Protection Features Over Current, Over Temperature, Short Circuit  
Package / Case TO-263-6, D²Pak (5 Leads + Tab), TO-263BA  
Package Tube  
PSRR 73dB ~ 57dB (120Hz)  
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) 15 mA  
Current - Quiescent (Iq) 5 mA  
Current - Output 800mA  
Control Features Enable  
Base Product Number LP3871  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LP3871ES-2.5

Manufacturer

Texas Instruments

Introduction

The LP3871ES-2.5 is a high-performance, low-dropout linear voltage regulator from Texas Instruments. It is designed to provide a highly accurate and stable 2.5V output voltage from an input voltage of up to 7V. The regulator features excellent load and line regulation, low quiescent current, and robust protection mechanisms, making it suitable for a wide range of applications.

Product Features and Performance

Fixed 2.5V output voltage

Input voltage range up to 7V

Low dropout voltage of 0.35V @ 800mA output current

Output current capability up to 800mA

Quiescent current of 5mA

High power supply rejection ratio (PSRR) of 73dB to 57dB (120Hz)

Integrated enable control

Over-current, over-temperature, and short-circuit protection

Product Advantages

Highly accurate and stable output voltage

Efficient power delivery with low dropout voltage

Robust protection features for enhanced reliability

Compact and thermally efficient TO-263 package

Key Reasons to Choose This Product

Reliable and consistent performance for critical power supply applications

Optimal power efficiency and thermal management

Comprehensive protection features to ensure safe and reliable operation

Compact and versatile package options

Quality and Safety Features

Designed and manufactured to strict quality standards

Robust protection mechanisms against overcurrent, overtemperature, and short-circuit conditions

Ensures safe and reliable operation in a wide range of applications

Compatibility

The LP3871ES-2.5 is compatible with a variety of electronic systems and devices that require a 2.5V regulated power supply.

Application Areas

Portable electronics

Industrial equipment

Automotive systems

Communications and networking devices

Medical and healthcare equipment

Product Lifecycle

The LP3871ES-2.5 is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Texas Instruments or other manufacturers. Customers are advised to contact our website's sales team for more information on the availability of similar products and potential alternatives.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LP3871ES-2.5

Product Attribute LP3871ES-2.5/NOPB LP3871ESX-2.5 LP3871EMPX-2.5/NOPB LP3871EMPX-2.5
Part Number LP3871ES-2.5/NOPB LP3871ESX-2.5 LP3871EMPX-2.5/NOPB LP3871EMPX-2.5
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Protection Features - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Output Type - Current - Unbuffered Voltage - Buffered -
PSRR - - - -
Voltage Dropout (Max) - - - -
Voltage - Input (Max) - - - -
Output Configuration - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Output - - - -
Control Features - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Output (Min/Fixed) - - - -
Current - Supply (Max) - - - -
Number of Regulators - - - -
Current - Quiescent (Iq) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Series - - - -
Voltage - Output (Max) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

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.

Write a Review

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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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LP3871ES-2.5 Image

LP3871ES-2.5

Texas Instruments
32D-LP3871ES-2.5

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