Microsemi

LX8940CP

LX8940CP Description

The LX8940CP is a linear voltage regulator designed by Microsemi Corporation, offering a fixed output voltage of 5V and a maximum output current of 1A. This regulator is housed in a through-hole TO-220 package, making it suitable for a variety of power applications. The device is designed to operate within an input voltage range up to 26V, ensuring robust performance across different power supply conditions. With a dropout voltage of 0.8V at 1A, the LX8940CP provides efficient regulation even under high current loads. The regulator features a quiescent current of 15mA and a supply current of up to 180mA, ensuring minimal power consumption during operation. The LX8940CP also includes over-temperature and short-circuit, protection enhancing its reliability and safety in various operating environments. The device operates within a temperature range of 0°C to 125°C, making it suitable for industrial and commercial applications. Despite being marked as obsolete, the LX8940CP remains unaffected by REACH regulations and is classified under ECCN EAR99 and HTSUS 8542.39.0001.

LX8940CP Features

• Fixed Output: Voltage Provides a stable 5V output, ideal for powering sensitive electronic components.
• High Input Voltage Range: Capable of handling input voltages up to 26V, offering flexibility in power supply design.
• Low Dropout Voltage: Ensures efficient operation with a dropout voltage of only 0.8V at 1A, minimizing power loss.
• Protection Features: Equipped with over-temperature and short-circuit protection, enhancing reliability and safety.
• Low Quiescent Current: Features a quiescent current of 15mA, reducing power consumption during standby.
• Through-Hole Mounting: Utilizes a TO-220 package, suitable for robust mechanical integration in various applications.
• Wide Operating Temperature Range: Operates reliably from 0°C to 125°C, making it suitable for a broad range of environments.
• Regulation Performance: Achieves a power supply rejection ratio (PSRR) of 66dB at 120Hz, ensuring high performance in noise-sensitive applications.

LX8940CP Applications

The LX8940CP is ideal for a variety of applications requiring a stable 5V power supply. Its robust design and low dropout voltage make it particularly suitable for:

• Industrial Control Systems: Provides reliable power for PLCs, sensors, and actuators.
• Telecommunications: Powers base stations, repeaters, and communication other equipment.
• Medical Devices: Ensures stable power supply for medical monitoring and diagnostic equipment.
• Automotive Electronics: Suitable for in-vehicle systems, including infotainment and control modules.
• Consumer Electronics: Ideal for powering routers, modems, and other home networking devices.

Conclusion of LX8940CP

The LX8940CP is a versatile linear voltage regulator that offers a reliable and efficient power solution for a wide range of applications. Its low dropout voltage, robust protection features, and wide operating temperature range make it a standout choice in the market. Despite being marked as obsolete, the LX8940CP remains a valuable component for engineers and designers seeking a stable and efficient power supply solution.