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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearUA78L05AIDR
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UA78L05AIDR - Texas Instruments

Manufacturer Part Number
UA78L05AIDR
Manufacturer
Texas Instruments
Allelco Part Number
32D-UA78L05AIDR
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR 5V 100MA 8SOIC
Package
8-SOIC
Data sheet
1.UA78L05AIDR.pdf ...

HTML Datasheet

UA78L02-15A.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 248340
  • Unit Price: $0.245
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $0.245 $0.25
10+ $0.20 $2.00
30+ $0.181 $5.43
100+ $0.157 $15.70
500+ $0.126 $63.00
1000+ $0.12 $120.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

UA78L05AIDR Tech Specifications
Texas Instruments - UA78L05AIDR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - UA78L05AIDR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 1.7V @ 40mA  
Voltage - Output (Min/Fixed) 5V  
Voltage - Output (Max) -  
Voltage - Input (Max) 20V  
Supplier Device Package 8-SOIC  
Series -  
Protection Features Over Current, Over Temperature, Reverse Polarity, Short Circuit  
Package / Case 8-SOIC (0.154', 3.90mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
PSRR 49dB (120Hz)  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Output 100mA  
Control Features -  
Base Product Number UA78L05  

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

UA78L05AIDR

Manufacturer

Texas Instruments

Introduction

The UA78L05AIDR is a low-dropout linear voltage regulator designed for power management, specifically to provide a fixed 5V output from an input voltage up to 20V.

Product Features and Performance

Output Type: Fixed

Configuration: Positive

Maximum Input Voltage: 20V

Fixed Output Voltage: 5V

Maximum Dropout Voltage: 1.7V at 40mA

Maximum Output Current: 100mA

Power Supply Rejection Ratio (PSRR): 49dB at 120Hz

Operates over a temperature range of -40°C to 125°C

Product Advantages

Integrated protection features: Over Current, Over Temperature, Reverse Polarity, and Short Circuit protection

High PSRR for effective noise filtering in sensitive applications

Key Technical Parameters

Input Voltage (Max): 20V

Output Voltage (Min/Fixed): 5V

Voltage Dropout (Max): 1.7V @ 40mA

Current Output: 100mA

PSRR: 49dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Suitable for a wide range of applications due to its common 8-SOIC packaging

Application Areas

Consumer Electronics

Portable Devices

Power Supply Modules

Microcontroller Power Supply

Product Lifecycle

Product Status: Active

Not nearing discontinuation and replacements or upgrades are readily available

Several Key Reasons to Choose This Product

Robust output current capacity of 100mA suitable for various electronic devices

High reliability with integrated protection against overcurrent, temperature extremes, and circuit malfunctions

Efficient dropout performance ensuring stable operation even with low input-to-output differentials

Wide operating temperature range making it ideal for harsh environments

Surface-mount packaging for easy integration into a variety of circuit designs

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments UA78L05AIDR

Product Attribute UA78L05AIDRE4 UA78L05AIDRG4 UA78L05AIDG4 UA78L05AILPRE3
Part Number UA78L05AIDRE4 UA78L05AIDRG4 UA78L05AIDG4 UA78L05AILPRE3
Manufacturer Luminary Micro / Texas Instruments Luminary Micro / Texas Instruments Luminary Micro / Texas Instruments Texas Instruments
Protection Features - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Input (Max) - - - -
Voltage - Output (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage Dropout (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Output Configuration - - - -
Voltage - Output (Min/Fixed) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Current - Output - - - -
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Output Type - Current - Unbuffered Voltage - Buffered -
Number of Regulators - - - -
Control Features - - - -
PSRR - - - -

UA78L05AIDR Datasheet PDF

Download UA78L05AIDR pdf datasheets and Texas Instruments documentation for UA78L05AIDR - Texas Instruments.

PCN Design/Specification
Design 25/Feb/2022.pdf Mult Devices Font 21/Apr/2018.pdf
HTML Datasheet
UA78L02-15A.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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UA78L05AIDR Image

UA78L05AIDR

Texas Instruments
32D-UA78L05AIDR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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