onsemi

MC78M12BDT

MC78M12BDT Description

The MC78M12BDT is a fixed positive linear voltage regulator designed to deliver a stable 12V output at a maximum current of 500mA. Manufactured by onsemi, this regulator is housed in a DPAK package, making it suitable for surface-mount applications. Despite its obsolescence, the MC78M12BDT remains a reliable choice for applications requiring a fixed 12V output with robust protection features.

MC78M12BDT Features

• Output Type: Fixed, ensuring a consistent 12V output.
• Input Voltage Range: Maximum input voltage of 35V, providing flexibility in power supply requirements.
• Output Current: Capable of delivering up to 500mA, suitable for moderate power applications.
• Output Configuration: Positive, ideal for applications requiring a stable positive voltage.
• Protection Features: Over-temperature and short-circuit protection ensure reliability and longevity.
• Power Supply Rejection Ratio (PSRR): 80dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Package: DPAK, offering a robust and compact solution for surface-mount applications.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), indicating the device is not moisture-sensitive and can be stored without special handling.
• Compliance: REACH Unaffected, ensuring compliance with environmental regulations.

MC78M12BDT Applications

The MC78M12BDT is ideal for a variety of applications where a stable 12V output is required. Its robust design and protection features make it suitable for:

• Power Supply Circuits: Providing a stable voltage source for electronic devices.
• Consumer Electronics: Reliable power regulation in devices such as televisions, radios, and other consumer products.
• Industrial Equipment: Ensuring stable power supply in industrial control systems and automation equipment.
• Telecommunications: Powering various components in telecommunication infrastructure.
• Automotive Electronics: Suitable for applications requiring a stable 12V supply in automotive systems.

Conclusion of MC78M12BDT

The MC78M12BDT, despite being an obsolete model, remains a reliable choice for applications requiring a fixed 12V output. Its robust protection features, high PSRR, and compact DPAK package make it an attractive option for engineers looking for a stable and reliable voltage regulator. While newer models may offer additional features, the MC78M12BDT continues to deliver consistent performance in a variety of applications.