Texas Instruments

LM2940S-5.0  

Linear & Switching Voltage Regulators

LM2940S-5.0 Description

The LM2940S-5.0 is a fixed positive linear voltage regulator designed for high-performance applications requiring a stable 5V output. Manufactured by Texas Instruments, this regulator is part of the Linear & Switching Voltage Regulators category and is housed in a surface-mount DDPak/TO263-3 package. It is designed to operate with a maximum input voltage of 26V and can deliver a continuous output current of up to 1A. The regulator features a low dropout voltage of 1V at 1A, ensuring efficient operation even under heavy load conditions. It also includes comprehensive protection features such as over-current, over-temperature, reverse polarity, and short-circuit protection, making it highly reliable and robust.

LM2940S-5.0 Features

• Output Type: Fixed
• Output Configuration: Positive
• Voltage - Input (Max): 26V
• Voltage - Output (Min/Fixed): 5V
• Current - Output: 1A
• Voltage Dropout (Max): 1V @ 1A
• Current - Supply (Max): 15 mA
• Current - Quiescent (Iq): 10 mA
• PSRR: 64dB (120Hz)
• Protection Features: Over Current, Over Temperature, Reverse Polarity, Short Circuit
• Mounting Type: Surface Mount
• Package: Tube
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• Product Status: Last Time Buy
• REACH Status: REACH Affected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The LM2940S-5.0 offers several unique advantages over similar models. Its low dropout voltage ensures high efficiency, making it ideal for applications where the input voltage is close to the output voltage. The regulator's robust protection features enhance its reliability and longevity, making it suitable for demanding industrial and automotive environments. Additionally, its surface-mount package allows for compact and efficient PCB layouts.

LM2940S-5.0 Applications

The LM2940S-5.0 is well-suited for a variety of applications where a stable 5V supply is required. Its high efficiency and robust protection features make it ideal for:

• Consumer Electronics: Powering microcontrollers, sensors, and other low-power devices.
• Industrial Equipment: Providing reliable power in harsh environments.
• Automotive Applications: Ensuring stable power supply in automotive electronic systems.
• Telecommunications: Supplying power to communication modules and embedded systems.
• Medical Devices: Ensuring reliable power for critical medical equipment.

The LM2940S-5.0's low dropout voltage and high output current capability make it particularly useful in applications where space is limited and efficiency is crucial. Its comprehensive protection features also make it a reliable choice for applications where reliability and longevity are paramount.

Conclusion of LM2940S-5.0

The LM2940S-5.0 is a versatile and reliable linear voltage regulator that offers a stable 5V output with a maximum input voltage of 26V and an output current of up to 1A. Its low dropout voltage, comprehensive protection features, and surface-mount package make it an excellent choice for a wide range of applications. Whether used in consumer electronics, industrial equipment, automotive systems, telecommunications, or medical devices, the LM2940S-5.0 provides the stability, efficiency, and reliability needed to ensure optimal performance.

LM2940S-5.0 Documents

Download datasheets and manufacturer documentation for LM2940S-5.0

PCN Assembly/Origin :

Mult Devices 12/Apr/2018      

Datasheets :

LM2940-N, 2940C Datasheet      

PCN Obsolescence/ EOL :

EOL 18/Sept/2023      

HTML Datasheet :

LM2940-N, 2940C Datasheet