onsemi

MC78M24BT

MC78M24BT Description

The MC78M24BT is a linear regulator IC designed for power management applications, manufactured by onsemi. This device features a fixed output voltage of 24V and is capable of delivering up to 500mA of output current. It operates with a maximum input voltage of 40V, making it suitable for a wide range of power supply requirements. The regulator is housed in a through-hole TO220AB package, which offers robust mechanical stability and excellent thermal performance. Despite its obsolescence status, the MC78M24BT remains a reliable choice for applications requiring a stable and precise voltage output.

MC78M24BT Features

• Fixed Output Voltage: The MC78M24BT provides a stable 24V output, ensuring consistent performance in various power management applications.
• High Input Voltage Range: With a maximum input voltage of 40V, this regulator can handle a broad range of input voltages, making it versatile for different power supply designs.
• High Output Current Capability: Delivering up to 500mA of output current, the MC78M24BT is well-suited for applications requiring moderate to high current loads.
• Protection Features: The device includes over-temperature and short-circuit protection, enhancing its reliability and durability in demanding operating conditions.
• Low Noise and High PSRR: The MC78M24BT boasts a high power supply rejection ratio (PSRR) of 70dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), the device is suitable for use in environments with varying humidity levels without the need for special handling.
• Compliance and Packaging: The MC78M24BT is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations. It is packaged in a tube, facilitating easy handling and storage.

MC78M24BT Applications

The MC78M24BT is ideal for a variety of applications where a stable and reliable power supply is crucial. Some specific use cases include:

• Industrial Control Systems: Providing a stable 24V supply for PLCs, sensors, and actuators.
• Telecommunications: Powering communication modules and base stations that require precise voltage regulation.
• Medical Equipment: Ensuring reliable power for devices such as monitors and diagnostic equipment.
• Automotive Electronics: Supplying power to electronic control units (ECUs) and other automotive systems.
• Consumer Electronics: Used in power supplies for appliances and devices that require a stable voltage source.

Conclusion of MC78M24BT

The MC78M24BT from onsemi is a robust linear regulator IC that offers a fixed 24V output with a maximum input voltage of 40V and an output current capability of 500mA. Its high PSRR, over-temperature and short-circuit protection features, and compliance with international standards make it a reliable choice for various power management applications. Despite being obsolete, the MC78M24BT continues to be a preferred solution for applications requiring a stable and precise voltage output. Its through-hole TO220AB package ensures mechanical stability and thermal performance, making it suitable for industrial, telecommunications, medical, automotive, and consumer electronics applications.