Panasonic

AN78L24

AN78L24 Description

The AN78L24 is a linear voltage regulator designed by Panasonic Electronic Components, offering a fixed output voltage of 24V and a maximum output current of 100mA. This regulator is housed in a Through Hole package, making it suitable for applications requiring robust mechanical stability and ease of integration. The AN78L24 operates within a temperature range of 0°C to 125°C, ensuring reliable performance in a variety of environmental conditions. It features a quiescent current of 3.5 mA, which is relatively low, contributing to high efficiency and reduced power consumption. The regulator also boasts a Power Supply Rejection Ratio (PSRR) of 44dB at 120Hz, effectively filtering out noise from the input power supply to maintain a stable output voltage.

AN78L24 Features

• Fixed Output Voltage: The AN78L24 provides a stable 24V output, making it ideal for applications requiring a consistent power supply.
• High PSRR: With a PSRR of 44dB at 120Hz, the regulator effectively minimizes noise and ripple, ensuring a clean output voltage.
• Low Quiescent Current: The 3.5 mA quiescent current ensures high efficiency and reduced power consumption, making it suitable for applications where power efficiency is critical.
• Wide Operating Temperature Range: The regulator operates reliably from 0°C to 125°C, making it suitable for a wide range of industrial and consumer applications.
• Over Current and Over Temperature Protection: These protection features enhance the reliability and durability of the regulator, safeguarding it against potential damage from overloads and thermal issues.
• Through Hole Mounting: The Through Hole package type ensures robust mechanical stability and ease of integration into various electronic systems.

AN78L24 Applications

The AN78L24 is well-suited for a variety of applications where a stable and reliable power supply is essential. Some specific use cases include:

• Industrial Control Systems: Providing a stable 24V supply for sensors, actuators, and control circuits in industrial environments.
• Consumer Electronics: Powering devices such as routers, modems, and other small electronic appliances that require a consistent 24V supply.
• Automotive Electronics: Supplying power to various electronic components in vehicles, ensuring reliable operation even in varying temperature conditions.
• Telecommunications: Used in communication equipment where a stable power supply is crucial for maintaining signal integrity and system performance.

Conclusion of AN78L24

The AN78L24 linear voltage regulator from Panasonic Electronic Components offers a robust and reliable solution for applications requiring a stable 24V power supply. Its low quiescent current and high PSRR make it an efficient and noise-resistant choice, while its wide operating temperature range and protective features ensure durability and reliability. Although the product is now obsolete, it remains a valuable component for existing systems and legacy designs. For new projects, engineers may consider alternative models with similar specifications but updated features and improved performance.