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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLP3961ES-1.8
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LP3961ES-1.8 - Texas Instruments

Manufacturer Part Number
LP3961ES-1.8
Manufacturer
Texas Instruments
Allelco Part Number
32D-LP3961ES-1.8
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR 1.8V 800MA DDPAK
Package
DDPAK/TO-263-5
Data sheet
1.LP3961ES-1.8.pdf ...

Datasheets

LP3961, LP3964.pdf
RoHs Status
ROHS3 Compliant
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Specifications

LP3961ES-1.8 Tech Specifications
Texas Instruments - LP3961ES-1.8 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LP3961ES-1.8

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 0.35V @ 800mA  
Voltage - Output (Min/Fixed) 1.8V  
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 -  
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) 9 mA  
Current - Output 800mA  
Control Features Enable  
Base Product Number LP3961  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LP3961ES-1.8

Manufacturer

Texas Instruments

Introduction

The LP3961ES-1.8 is a linear, low-dropout (LDO) voltage regulator designed for power-sensitive applications, ensuring stable and efficient operation.

Product Features and Performance

Supports fixed output voltage of 1.8V

Maximum input voltage of 7V

Maximum dropout voltage of 0.35V at 800mA load

Capable of delivering a current up to 800mA

Quiescent current of 9 mA, and a maximum supply current of 15 mA

Over current, over temperature, and short circuit protection

Enabled with control features

Operating temperature range from -40°C to 125°C

Product Advantages

Efficient low voltage regulation suitable for battery-operated devices

Robust thermal and current management enhances reliability

Low quiescent current helps in extending battery life

Integrated protection features improve device longevity

Key Technical Parameters

Voltage Input (Max): 7V

Voltage Output (Min/Fixed): 1.8V

Voltage Dropout (Max): 0.35V @ 800mA

Current Output: 800mA

Current Quiescent (Iq): 9 mA

Current Supply (Max): 15 mA

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with various applications requiring a 1.8V stable output within the provided current limits

Application Areas

Suited for low-power applications across telecommunications, consumer electronics, and portable device sectors

Product Lifecycle

Currently designated as “Last Time Buy” indicating nearing discontinuation

No direct replacements mentioned; check for potential upgrades with similar specifications

Several Key Reasons to Choose This Product

High degree of reliability and performance under wide temperature ranges

Low dropout voltage enhances the efficiency for battery-operated devices

Comprehensive protection features safeguard the unit and connected components against potential damage

Low quiescent current maximizes the battery life for portable applications

Broad compatibility and application range adds versatile utility

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LP3961ES-1.8

Product Attribute LP3961ES-1.8/NOPB LP3961ES-1.8-NS LP3961EMPX-1.8 LP3961EMPX-1.8/NOPB
Part Number LP3961ES-1.8/NOPB LP3961ES-1.8-NS LP3961EMPX-1.8 LP3961EMPX-1.8/NOPB
Manufacturer Texas Instruments National Semiconductor Texas Instruments Texas Instruments
Voltage Dropout (Max) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
PSRR - - - -
Control Features - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Output (Min/Fixed) - - - -
Current - Supply (Max) - - - -
Current - Quiescent (Iq) - - - -
Number of Regulators - - - -
Current - Output - - - -
Voltage - Input (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Output (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Output Configuration - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Protection Features - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

LP3961ES-1.8 Datasheet PDF

Download LP3961ES-1.8 pdf datasheets and Texas Instruments documentation for LP3961ES-1.8 - Texas Instruments.

Datasheets
LP3961, LP3964.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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LP3961ES-1.8 Image

LP3961ES-1.8

Texas Instruments
32D-LP3961ES-1.8

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