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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLP2981-50DBVRG4
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LP2981-50DBVRG4 - Texas Instruments

Manufacturer Part Number
LP2981-50DBVRG4
Manufacturer
Texas Instruments
Allelco Part Number
32D-LP2981-50DBVRG4
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR 5V 100MA SOT23-5
Package
SOT-23-5
Data sheet
-
RoHs Status
ROHS3 Compliant
Our certification
In stock: 16670

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Specifications

LP2981-50DBVRG4 Tech Specifications
Texas Instruments - LP2981-50DBVRG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LP2981-50DBVRG4

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 0.37V @ 100mA  
Voltage - Output (Min/Fixed) 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 ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LP2981-50DBVRG4

Manufacturer

Texas Instruments

Introduction

The LP2981-50DBVRG4 is a high-performance, low-dropout linear voltage regulator from Texas Instruments. It offers a fixed 5V output voltage with up to 100mA of output current, making it suitable for a wide range of applications.

Product Features and Performance

Fixed 5V output voltage

Up to 100mA output current

Low dropout voltage of 0.37V at 100mA

Quiescent current of only 95μA

Supply current of up to 1.7mA

High power supply rejection ratio (PSRR) of 63dB at 1kHz

Enable control feature

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

Product Advantages

Compact and space-saving SOT-23-5 package

Excellent line and load regulation

Reliable and robust design with protection features

Suitable for a wide range of applications

Key Reasons to Choose This Product

Efficient and power-saving performance with low dropout and quiescent current

Robust protection features for enhanced reliability

Compact and versatile package for easy integration into your design

Trusted Texas Instruments quality and reliability

Quality and Safety Features

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

Designed and manufactured to high-quality standards

Compatibility

Suitable for a wide range of applications, including consumer electronics, industrial equipment, and more.

Application Areas

Consumer electronics

Industrial equipment

Portable devices

Automotive systems

Backup power supplies

Product Lifecycle

The LP2981-50DBVRG4 has been discontinued at DiGi-Electronics. However, there are equivalent or alternative models available from Texas Instruments, such as the LP2981-33DBVRG4 (3.3V output) and the LP2981-18DBVRG4 (1.8V output). Please contact our sales team via our website for more information on these alternative options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LP2981-50DBVRG4

Product Attribute LP2981-50DBVTG4 LP2981-50DBVR LP2981A-28DBVRG4 LP2981-33DBVRG4
Part Number LP2981-50DBVTG4 LP2981-50DBVR LP2981A-28DBVRG4 LP2981-33DBVRG4
Manufacturer Luminary Micro / Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Output (Max) - - - -
Current - Quiescent (Iq) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Regulators - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
PSRR - - - -
Voltage - Output (Min/Fixed) - - - -
Control Features - - - -
Current - Supply (Max) - - - -
Protection Features - - - -
Voltage - Input (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Output - - - -
Voltage Dropout (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Output Configuration - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Output Type - Current - Unbuffered Voltage - Buffered -

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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LP2981-50DBVRG4 Image

LP2981-50DBVRG4

Texas Instruments
32D-LP2981-50DBVRG4

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