onsemi

MC78M08ABT

MC78M08ABT Description

The MC78M08ABT is a fixed output linear regulator designed by onsemi, a leading manufacturer in the power management sector. This IC features a fixed output voltage of 8V and a maximum output current of 500mA, making it suitable for a variety of applications requiring stable power supply. The regulator is housed in a TO220AB package, which is ideal for through-hole mounting, ensuring robust mechanical stability and thermal performance. The MC78M08ABT operates with an input voltage range up to 35V, providing flexibility in diverse power supply scenarios. Despite being marked as obsolete, it remains a reliable choice due to its high performance and robust design.

MC78M08ABT Features

• Fixed Output Voltage: The MC78M08ABT offers a fixed output voltage of 8V, ensuring consistent power delivery 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 power supply configurations.
• High Output Current: Capable of delivering up to 500mA, the MC78M08ABT is suitable for applications requiring moderate to high current loads.
• Thermal and Short-Circuit Protection: The regulator includes over-temperature and short-circuit protection features, enhancing reliability and safeguarding against potential faults.
• Low Noise and High PSRR: The MC78M08ABT boasts a high power supply rejection ratio (PSRR) of 80dB at 120Hz, ensuring low noise and stable output voltage.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the regulator is suitable for storage and handling in a wide range of environmental conditions.
• Compliance: The MC78M08ABT is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

MC78M08ABT Applications

The MC78M08ABT is ideal for applications requiring a stable 8V power supply with moderate current output. Some specific use cases include:

• Consumer Electronics: Ideal for powering small electronic devices such as portable audio equipment, where a stable 8V supply is required.
• Industrial Applications: Suitable for industrial control systems and instrumentation requiring a reliable power source.
• Automotive Electronics: Can be used in automotive applications where a fixed 8V supply is needed for various electronic components.
• Telecommunications: Provides a stable power supply for low-power telecommunication equipment and peripherals.

Conclusion of MC78M08ABT

The MC78M08ABT is a robust and reliable linear regulator designed for applications requiring a fixed 8V output and up to 500mA of current. Despite its obsolete status, the regulator's high PSRR, thermal and short-circuit protection, and wide input voltage range make it a valuable component in various power management applications. Its through-hole mounting and TO220AB package ensure mechanical stability and ease of integration into existing designs. The MC78M08ABT remains a preferred choice for engineers and designers seeking a dependable power supply solution in consumer, industrial, automotive, and telecommunications sectors.