Texas Instruments

LM2940T-9.0  

Linear & Switching Voltage Regulators

LM2940T-9.0 Description

The LM2940T-9.0 is a fixed output linear regulator designed by Texas Instruments, offering a robust and reliable solution for power management applications. This regulator is housed in a TO-220-3 package, making it suitable for through-hole mounting. It is designed to provide a stable 9V output voltage with a maximum output current of 1A. The LM2940T-9.0 features a maximum input voltage of 26V and a dropout voltage of 1V at full load, ensuring efficient operation even under varying input conditions.

LM2940T-9.0 Features

• Fixed Output Voltage: The LM2940T-9.0 provides a stable 9V output voltage, making it ideal for applications requiring a fixed voltage supply.
• High Input Voltage Range: With a maximum input voltage of 26V, this regulator can handle a wide range of input voltages, enhancing its versatility.
• Low Dropout Voltage: The dropout voltage is maximized at 1V under a 1A load, ensuring high efficiency and minimal power loss.
• Protection Features: The LM2940T-9.0 includes over-current, over-temperature, reverse polarity, and short-circuit protection, safeguarding the device and connected circuits from damage.
• Low Quiescent Current: The quiescent current is only 10 mA, contributing to high efficiency and minimal power consumption.
• High PSRR: The power supply rejection ratio (PSRR) is 64dB at 120Hz, ensuring excellent noise rejection and stable output voltage.
• Compliance and Reliability: The LM2940T-9.0 is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage life.

LM2940T-9.0 Applications

The LM2940T-9.0 is well-suited for a variety of applications where a stable and reliable power supply is essential. Its fixed 9V output and high input voltage range make it ideal for:

• Embedded Systems: Providing a stable power supply for microcontrollers, sensors, and other embedded components.
• Industrial Equipment: Ensuring reliable operation in harsh industrial environments where wide input voltage ranges and protection features are crucial.
• Consumer Electronics: Powering devices that require a fixed voltage supply, such as portable electronics and home appliances.
• Telecommunications: Supplying power to communication modules and peripherals that demand high efficiency and low dropout voltage.

Conclusion of LM2940T-9.0

The LM2940T-9.0 from Texas Instruments is a high-performance linear regulator that offers a stable 9V output with a maximum current of 1A. Its low dropout voltage, wide input voltage range, and comprehensive protection features make it a reliable choice for various power management applications. The device’s compliance with environmental and regulatory standards further enhances its suitability for modern electronics. Whether used in embedded systems, industrial equipment, consumer electronics, or telecommunications, the LM2940T-9.0 provides a robust and efficient power solution.

LM2940T-9.0 Documents

Download datasheets and manufacturer documentation for LM2940T-9.0

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