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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLM2940CSX-12
Texas Instruments
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See specifications for product details.

LM2940CSX-12 - Texas Instruments

Manufacturer Part Number
LM2940CSX-12
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM2940CSX-12
ECAD Model
Parts Description
IC REG LIN 12V 1A DDPAK/TO263-3
Detailed Description
Package
TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Data sheet
LM2940, LM2940C Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 22136

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Quantity

Specifications

LM2940CSX-12 Tech Specifications
Texas Instruments - LM2940CSX-12 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM2940CSX-12

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 0.8V @ 1A  
Voltage - Output (Min/Fixed) 12V  
Voltage - Output (Max) -  
Voltage - Input (Max) 26V  
Supplier Device Package DDPAK/TO-263-3  
Series -  
Protection Features Over Current, Over Temperature, Reverse Polarity, Short Circuit  
Package / Case TO-263-4, D²Pak (3 Leads + Tab), TO-263AA  
Package Tape & Reel (TR)  
PSRR 66dB (120Hz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature 0°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 15 mA  
Current - Quiescent (Iq) 10 mA  
Current - Output 1A  
Control Features -  
Base Product Number LM2940  

Parts Introduction

Manufacturer Part Number

LM2940CSX-12

Manufacturer

Texas Instruments

Introduction

Low Drop Out Linear Regulator designed for moderate load applications

Product Features and Performance

Linear Voltage Regulator with Positive Output

Low Dropout Voltage: 0.8V at 1A

Output Current up to 1A

Quiescent Current: 10 mA

Supply Current: 15 mA Maximum

Power Supply Rejection Ratio (PSRR): 66dB at 120Hz

Product Advantages

Minimal Design Complexity

High Voltage Input Capability: Up to 26V

Fixed Voltage Output of 12V for stable operation

High-Efficiency Operation

Protection against overcurrent and overtemperature scenarios

Key Technical Parameters

Voltage - Input (Max): 26V

Voltage - Output (Min/Fixed): 12V

Current - Output: 1A

Voltage Dropout (Max): 0.8V @ 1A

Current - Quiescent (Iq): 10 mA

PSRR: 66dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Surface Mount compatible

Compatible with TO-263-4, D2PAK (3 Leads + Tab), TO-263AA packages

Application Areas

Consumer Electronics

Personal Computers

Power Management Circuits

Moderate Load Applications

Product Lifecycle

Last Time Buy status

Identify replacement options or product upgrades in the near future

Several Key Reasons to Choose This Product

High Input Voltage Range making it versatile for various applications

Low Dropout feature suitable for steady performance

Built-in safety features offer enhanced reliability

Fixed output simplifies design considerations

Tape & Reel Packaging for efficient assembly

efficient heat dissipation due to TO-263 package

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM2940CSX-12

Product Attribute LM2940CSX-12 LM2940CT-12 LM2940CSX-9.0 LM2940CS-5.0
Part Number LM2940CSX-12 LM2940CT-12 LM2940CSX-9.0 LM2940CS-5.0
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Base Product Number LM2940 LM2940 - LM2940
Number of Regulators 1 1 1 1
Protection Features Over Current, Over Temperature, Reverse Polarity, Short Circuit Over Current, Over Temperature, Reverse Polarity, Short Circuit Over Current, Over Temperature, Reverse Polarity, Short Circuit Over Current, Over Temperature, Reverse Polarity, Short Circuit
Output Configuration Positive Positive Positive Positive
Voltage - Input (Max) 26V 26V 26V 26V
Operating Temperature 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C 0°C ~ 125°C
Current - Supply (Max) 15 mA 15 mA 15mA 15 mA
Supplier Device Package DDPAK/TO-263-3 TO-220-3 DDPAK/TO-263-3 DDPAK/TO-263-3
Package / Case TO-263-4, D²Pak (3 Leads + Tab), TO-263AA TO-220-3 TO-263-4, D²Pak (3 Leads + Tab), TO-263AA TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Mounting Type Surface Mount Through Hole Surface Mount Surface Mount
PSRR 66dB (120Hz) 66dB (120Hz) 64dB (120Hz) 64dB (120Hz)
Current - Quiescent (Iq) 10 mA 10 mA 10mA 10 mA
Output Type Fixed Fixed Fixed Fixed
Package Tape & Reel (TR) Tube - Tube
Voltage - Output (Max) - - - -
Current - Output 1A 1A 1A 1A
Series - - - -
Voltage - Output (Min/Fixed) 12V 12V 9V 5V
Voltage Dropout (Max) 0.8V @ 1A 0.8V @ 1A 0.8V @ 1A 0.8V @ 1A
Control Features - - - -

LM2940CSX-12 Datasheet PDF

Download LM2940CSX-12 pdf datasheets and Texas Instruments documentation for LM2940CSX-12 - Texas Instruments.

PCN Assembly/Origin
Mult Devices 12/Apr/2018.pdf
HTML Datasheet
LM2940, LM2940C Datasheet.pdf

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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Texas Instruments

LM2940CSX-12

Texas Instruments
32D-LM2940CSX-12

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