onsemi

MC78M05CT

MC78M05CT Description

The MC78M05CT is a linear voltage regulator designed to provide a stable 5V output voltage with a maximum output current of 500mA. Manufactured by onsemi, this regulator is housed in a TO220AB package, making it suitable for through-hole mounting. The MC78M05CT is part of the Linear & Switching Voltage Regulators category and is known for its robust performance and reliability. Despite being marked as obsolete, it remains a popular choice for applications requiring a fixed positive output configuration. The regulator operates within an input voltage range up to 35V and is designed to function efficiently within an operating temperature range of 0°C to 125°C. It also features protection against over-temperature and short circuits, ensuring safe operation under various conditions.

MC78M05CT Features

• Fixed Output Voltage: The MC78M05CT offers a fixed 5V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 35V, this regulator can handle a wide range of input voltages, making it versatile for various applications.
• High Output Current: Capable of delivering up to 500mA, the MC78M05CT can power multiple devices or components simultaneously.
• Single Regulator Design: The MC78M05CT includes a single regulator, simplifying circuit design and reducing component count.
• Positive Output Configuration: The regulator provides a positive output voltage, which is essential for many electronic.
  systems- Protection Features: Over-temperature and short-circuit protection ensure the regulator’s longevity and protect connected devices from damage.
• Low Noise and High PSRR: With a power supply rejection ratio (PSRR) of 80dB at 120Hz, the MC78M05CT minimizes noise and ripple, providing a clean power supply.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, making it suitable for a wide range of environments.
• Compliance: The MC78M05CT is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

MC78M05CT Applications

The MC78M05CT is ideal for a variety of applications where a stable 5V power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering small devices such as radios, portable CD players, and other low-power consumer electronics.
• Industrial Control Systems: Suitable for providing stable power to sensors, controllers, and other components in industrial environments.
• Telecommunications: Can be used to power communication modules, routers, and other networking equipment.
• Automotive Electronics: Provides reliable power to automotive control units, infotainment systems, and other electronic components in vehicles.
• Medical Devices: Ensures stable power supply to medical monitoring equipment, diagnostic devices, and other critical medical electronics.

Conclusion of MC78M05CT

The MC78M05CT is a reliable and versatile linear voltage regulator that offers a stable 5V output with a maximum current of 500mA. Its high input voltage range, protection features, and low noise performance make it an excellent choice for a wide range of applications. Despite being marked as obsolete, the MC78M05CT continues to be a preferred option for engineers and designers due to its robust performance and compliance with international regulations. Its through-hole mounting and TO220AB package ensure easy integration into existing designs, making it a valuable component in the electronics industry.