onsemi

MC78M12CDTT5G

MC78M12CDTT5G Description

The MC78M12CDTT5G is a linear voltage regulator designed by onsemi, a leading manufacturer in the power management sector. This regulator is part of the Power Management Integrated Circuits (PMIC) category and offers a fixed output voltage of 12V with a maximum output current of 500mA. It is housed in a DPAK package, which is well-suited for surface mount applications. The device is designed to operate within an input voltage range up to 35V and features a positive output configuration. Despite being marked as obsolete, the MC78M12CDTT5G remains a reliable choice for applications requiring a stable 12V supply. It is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. The regulator operates within a temperature range of 0°C to 125°C, making it suitable for a variety of industrial and consumer applications. Additionally, it offers a high power supply rejection ratio (PSRR) of 80dB at 120Hz, which helps in maintaining a clean and stable output voltage even under varying input conditions. The device also includes protection features such as over-temperature and short-circuit protection, enhancing its reliability and durability.

MC78M12CDTT5G Features

• Fixed Output Voltage: Provides a stable 12V output, ideal for applications requiring a consistent power supply.
• High Input Voltage Range: Capable of handling input voltages up to 35V, offering flexibility in power source selection.
• High PSRR: With a PSRR of 80dB at 120Hz, it effectively filters out noise from the input power supply, ensuring a clean output voltage.
• Protection Features: Over-temperature and short-circuit protection enhance the device's reliability and longevity.
• Wide Operating Temperature Range: Functions reliably from 0°C to 125°C, making it suitable for various environmental conditions.
• Surface Mount Compatibility: The DPAK package is designed for surface mount technology, facilitating easy integration into modern PCB designs.
• Regulatory Compliance: REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates the device is not sensitive to moisture, reducing the risk of damage during storage and assembly.

MC78M12CDTT5G Applications

The MC78M12CDTT5G is well-suited for applications that require a stable 12V power supply with a maximum current of 500mA. Its high PSRR and protection features make it ideal for use in:

• Consumer Electronics: Powering devices such as routers, set-top boxes, and other small appliances that require a stable 12V supply.
• Industrial Equipment: Providing a reliable power source for sensors, actuators, and other components in industrial control systems.
• Automotive Applications: Suitable for powering electronic modules in vehicles that operate within the specified temperature range.
• Telecommunications: Ideal for powering small communication devices and modules that require a stable voltage supply.

Conclusion of MC78M12CDTT5G

The MC78M12CDTT5G is a robust linear voltage regulator that offers a stable 12V output with a maximum current of 500mA. Its high PSRR, wide operating temperature range, and protection features make it a reliable choice for various applications. Despite being marked as obsolete, its performance and compliance with environmental and regulatory standards ensure it remains a viable option for designers and engineers. The DPAK package and surface mount compatibility further enhance its suitability for modern electronics. Whether used in consumer electronics, industrial equipment, automotive applications, or telecommunications, the MC78M12CDTT5G provides a dependable power solution.