Texas Instruments

LM2940CSX-15/NOPB  

Linear & Switching Voltage Regulators

LM2940CSX-15/NOPB Description

The LM2940CSX-15/NOPB is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 15V and capable of delivering up to 1A of current. This regulator is optimized for surface mount applications and comes in a DDPAK/TO263-3 package, making it suitable for a wide range of industrial and consumer electronics. The LM2940CSX-15/NOPB features a maximum input voltage of 26V and a dropout voltage of only 0.8V at full load, ensuring efficient operation even under varying input conditions. With a quiescent current of 10mA and a supply current of up to 15mA, this regulator is designed for low-power applications while maintaining high performance. The device operates within a temperature range of 0°C to 125°C, making it suitable for demanding environments. It also includes comprehensive protection features such as over-current, over-temperature, reverse polarity, and short-circuit protection, ensuring robustness and reliability.

LM2940CSX-15/NOPB Features

• Fixed Output Voltage: Provides a stable 15V output, ideal for applications requiring a precise voltage supply.
• High Current Capability: Delivers up to 1A of output current, suitable for powering demanding circuits.
• Low Dropout Voltage: A maximum dropout voltage of 0.8V at 1A ensures efficient operation even with low input-to-output voltage differentials.
• Comprehensive Protection: Features over-current, over-temperature, reverse polarity, and short-circuit protection, enhancing reliability and longevity.
• Low Quiescent Current: Operates with a quiescent current of only 10mA, making it suitable for low-power applications.
• Wide Operating Temperature Range: Functions reliably within a temperature range of 0°C to 125°C, suitable for various environmental conditions.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 66dB at 120Hz, minimizing noise and voltage fluctuations.
• Surface Mount Package: The DDPAK/TO263-3 package is designed for easy integration into surface mount designs, reducing board space and improving thermal performance.

LM2940CSX-15/NOPB Applications

The LM2940CSX-15/NOPB is ideal for a variety of applications where a stable and efficient power supply is required. Its high current capability and low dropout voltage make it particularly suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power to control systems, sensors, and actuators.
• Telecommunications: Supplying power to base stations, routers, and other networking equipment.
• Automotive Electronics: Ensuring reliable power for in-vehicle infotainment systems and electronic control units.
• Medical Devices: Powering diagnostic equipment and portable medical devices that require precise voltage regulation.

Conclusion of LM2940CSX-15/NOPB

The LM2940CSX-15/NOPB from Texas Instruments is a versatile and reliable linear voltage regulator, offering a fixed 15V output with a maximum current of 1A. Its low dropout voltage, comprehensive protection features, and low quiescent current make it an excellent choice for a wide range of applications. The device's surface mount package and wide operating temperature range further enhance its suitability for various industrial and consumer electronics. Whether powering consumer devices, industrial equipment, or medical instruments, the LM2940CSX-15/NOPB provides the stability and efficiency needed for high-performance applications.

LM2940CSX-15/NOPB Documents

Download datasheets and manufacturer documentation for LM2940CSX-15/NOPB

PCN Assembly/Origin :

Mult Devices 12/Apr/2018      

Datasheets :

LM2940-N, 2940C Datasheet      

HTML Datasheet :

LM2940-N, 2940C Datasheet