onsemi

MC78M08CDTX

MC78M08CDTX Description

The MC78M08CDTX is a fixed positive linear voltage regulator designed by onsemi, offering a robust and reliable solution for power management applications. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a DPAK surface-mount package, making it suitable for a wide range of electronic devices. Despite its obsolete status, the MC78M08CDTX remains a valuable component due to its specific technical attributes and performance benefits.

MC78M08CDTX Features

• Output Type: Fixed
• Output Voltage: 8V
• Input Voltage Range: Up to 35V
• Output Current: 500mA
• Voltage Dropout: 2V (Typ) at 500mA
• Quiescent Current: 6mA
• Power Supply Rejection Ratio (PSRR): 80dB at 120Hz
• Operating Temperature Range: 0°C to 125°C
• Protection Features: Over-temperature and short-circuit protection
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: DPAK (Surface Mount)
• Compliance: REACH Unaffected, ECCN: EAR99, HTSUS: 8542.39.0001
• Packaging: Tape & Reel (TR)

The MC78M08CDTX stands out due to its fixed positive output configuration, ensuring a stable 8V supply even under varying input conditions. Its low dropout voltage of 2V at 500mA ensures efficient power conversion, especially in applications where the input voltage is close to the output voltage. The regulator's high PSRR of 80dB at 120Hz minimizes noise and ripple, making it ideal for sensitive analog circuits. Additionally, the over-temperature and short-circuit protection features enhance the reliability and robustness of the device, safeguarding it against potential damage.

MC78M08CDTX Applications

The MC78M08CDTX is well-suited for a variety of applications where a stable and reliable power supply is crucial. Its fixed 8V output and robust protection features make it ideal for:

• Consumer Electronics: Powering analog circuits in devices such as audio equipment, where low noise and high PSRR are essential.
• Industrial Equipment: Providing stable power to sensors, actuators, and control systems that require a fixed voltage supply.
• Telecommunications: Ensuring reliable power for low-power communication modules and interface circuits.
• Automotive: Suitable for automotive electronics where the operating temperature range and robust protection features are critical.

Conclusion of MC78M08CDTX

The MC78M08CDTX, despite being marked as obsolete, continues to offer significant value in power management applications. Its fixed positive output, low dropout voltage, and high PSRR make it a reliable choice for applications requiring stable and efficient power conversion. The inclusion of over-temperature and short-circuit protection further enhances its robustness and reliability. While newer alternatives may exist, the MC78M08CDTX remains a viable option for designers seeking a proven and dependable linear regulator in a surface-mount DPAK package.