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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLM3940IT-3.3
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LM3940IT-3.3 - Texas Instruments

Manufacturer Part Number
LM3940IT-3.3
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM3940IT-3.3
ECAD Model
Parts Description
IC REG LINEAR 3.3V 1A TO220-3
Detailed Description
Package
TO-220-3
Data sheet
LM3940IT-3.3.pdf
RoHs Status
ROHS3 Compliant
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Specifications

LM3940IT-3.3 Tech Specifications
Texas Instruments - LM3940IT-3.3 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM3940IT-3.3

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 0.2V @ 100mA  
Voltage - Output (Min/Fixed) 3.3V  
Voltage - Output (Max) -  
Voltage - Input (Max) 7.5V  
Supplier Device Package TO-220-3  
Series -  
Protection Features Over Temperature, Short Circuit  
Package / Case TO-220-3  
Package Tube  
Product Attribute Attribute Value  
PSRR -  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Through Hole  
Current - Output 1A  
Control Features -  
Base Product Number LM3940  

Parts Introduction

Manufacturer Part Number

LM3940IT-3.3

Manufacturer

Texas Instruments

Introduction

Low dropout voltage regulator designed for power management

Product Features and Performance

Positive fixed output

3V fixed output voltage

1A current output

Low dropout voltage of 0.2V @ 100mA

Thermal and short circuit protection

Wide operating temperature range from -40°C to 125°C

Product Advantages

High-efficiency linear regulator

Low dropout suitable for battery-operated devices

Robust thermal protection enhances reliability

Key Technical Parameters

Input voltage up to 7.5V

Output voltage 3.3V

Maximum output current 1A

Dropout voltage 0.2V at 100mA load

Quality and Safety Features

Over-temperature protection

Short circuit protection

Compatibility

Compatible with various circuits requiring a stable 3.3V supply

Application Areas

Consumer electronics

Industrial controls

Telecommunications

Portable devices

Product Lifecycle

Last Time Buy status

Potential for discontinuation with recommendations for replacements or upgrades

Reasons to Choose This Product

Reliable Texas Instruments manufacturing

High current output for demanding applications

Low dropout ideal for efficient operations

Strong protection features for enhanced safety and longevity

Suitable for a wide range of temperatures making it versatile for various environments

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM3940IT-3.3

Product Attribute LM3940IT-3.3 LM3940IMPX-3.3 LM3940ISX-3.3 LM3940IMP-3.3
Part Number LM3940IT-3.3 LM3940IMPX-3.3 LM3940ISX-3.3 LM3940IMP-3.3
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Current - Output 1A 1A 1A 1A
Series - - - -
Voltage - Output (Min/Fixed) 3.3V 3.3V 3.3V 3.3V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Number of Regulators 1 1 1 1
Control Features - - - -
Package / Case TO-220-3 TO-261-4, TO-261AA TO-263-4, D²Pak (3 Leads + Tab), TO-263AA TO-261-4, TO-261AA
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Voltage - Output (Max) - - - -
Supplier Device Package TO-220-3 SOT-223-4 DDPAK/TO-263-3 SOT-223-4
Protection Features Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit Over Temperature, Short Circuit
Voltage Dropout (Max) 0.2V @ 100mA 0.2V @ 100mA 0.2V @ 100mA 0.2V @ 100mA
PSRR - - - -
Base Product Number LM3940 LM3940 LM3940 LM3940
Mounting Type Through Hole Surface Mount Surface Mount Surface Mount
Voltage - Input (Max) 7.5V 7.5V 7.5V 7.5V
Output Configuration Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed

LM3940IT-3.3 Datasheet PDF

Download LM3940IT-3.3 pdf datasheets and Texas Instruments documentation for LM3940IT-3.3 - Texas Instruments.

PCN Assembly/Origin
Mult Devices 12/Apr/2018.pdf

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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.

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Delivery Method

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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.

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LM3940IT-3.3 Image

LM3940IT-3.3

Texas Instruments
32D-LM3940IT-3.3

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