STMicroelectronics

L4940V10  

Linear & Switching Voltage Regulators

L4940V10 Description

The L4940V10 is a fixed output linear voltage regulator designed by STMicroelectronics, featuring a robust set of specifications tailored for demanding applications. This regulator is designed to provide a stable 10V output voltage with a maximum output current of 1.5A. It operates efficiently within an voltage input range up to 17V, ensuring reliable performance across various power supply conditions. The regulator is housed in a through-hole TO220AB package, making it suitable for a wide range of industrial and consumer applications.

L4940V10 Features

• Output Type: Fixed at 10V, ensuring consistent power delivery.
• Input Voltage Range: Up to 17V, providing flexibility in power supply design.
• Output Current: Capable of delivering up to 1.5A, suitable for high-current applications.
• Low Dropout Voltage: Maximum dropout voltage of 0.9V at 1.5A, enhancing efficiency and performance in low-voltage scenarios.
• Protection Features: Over-temperature, reverse polarity, and short-circuit protection, safeguarding the device and connected circuits.
• Low Quiescent Current: 8 mA, minimizing power consumption during standby.
• High PSRR: 62dB at 120Hz, ensuring excellent noise rejection and stable output.
• Mounting Type: Through-hole, facilitating easy integration into PCB designs.
• Package: TO220AB in a tube, offering robust mechanical stability and thermal performance.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

L4940V10 Applications

The L4940V10 is ideal for applications requiring a stable and reliable power supply with a fixed output voltage. Its high output current capability and low dropout voltage make it suitable for:

• Consumer Electronics: Powering devices that require a stable 10V supply, such as audio amplifiers, LED drivers, and small appliances.
• Industrial Systems: Providing regulated power for sensors, actuators, and control systems in industrial environments.
• Telecommunications: Supplying power to communication modules and base stations.
• Automotive: Used in automotive electronics where a stable voltage supply is crucial for reliable operation.

Conclusion of L4940V10

The L4940V10 from STMicroelectronics is a versatile and reliable linear voltage regulator with a fixed 10V output. Its high output current capability, low dropout voltage, and comprehensive protection features make it an excellent choice for a variety of applications. Despite being marked as obsolete, the L4940V10 remains a robust solution for applications requiring a stable and efficient power supply. Its compliance with environmental and regulatory standards ensures that it meets the requirements of modern electronics design.

L4940V10 Documents

Download datasheets and manufacturer documentation for L4940V10

Datasheets :

L4940xx      

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