onsemi

MC79M05BTG

MC79M05BTG Description

The MC79M05BTG is a fixed-output, negative voltage regulator IC manufactured by onsemi. It is designed to provide a stable -5V output voltage with a maximum output current of 500mA. The device offers a low voltage dropout of 1.1V at 500mA, ensuring reliable operation even under low input voltage conditions. The MC79M05BTG is packaged in a through-hole TO220AB tube package, making it suitable for various applications requiring a compact and efficient voltage regulator.

MC79M05BTG Features

• Fixed Output Type: The MC79M05BTG provides a fixed -5V output voltage, simplifying the design process and ensuring consistent performance.
• 500mA Output Current: Capable of delivering up to 500mA, this device can support a wide range of applications requiring a negative voltage supply.
• Negative Output Configuration: The negative output voltage makes it ideal for applications requiring a dual power supply or specific negative voltage requirements.
• Low Voltage Dropout: With a maximum dropout voltage of 1.1V at 500mA, the MC79M05BTG maintains stable operation even under low input voltage conditions.
• Over Current and Over Temperature Protection: The device incorporates built-in protection features to prevent damage due to overcurrent or overheating.
• 66dB PSRR at 120Hz: The MC79M05BTG offers excellent power supply rejection ratio, ensuring minimal noise coupling from the input to the output.
• RoHS3 Compliant: The device is compliant with the RoHS3 directive, making it suitable for use in environmentally friendly applications.

MC79M05BTG Applications

The MC79M05BTG is ideal for various applications requiring a stable -5V output voltage, such as:

• Audio and Video Equipment: The device's low noise characteristics make it suitable for use in audio and video equipment, where noise can significantly impact performance.
• Industrial Control Systems: The MC79M05BTG can be used in industrial control systems that require a stable negative voltage supply for reliable operation.
• Telecommunications Equipment: The device's low dropout voltage and excellent PSRR make it suitable for use in telecommunications equipment, where signal integrity is crucial.
• Power Supplies: The MC79M05BTG can be used in power supply designs that require a negative voltage output, simplifying the design process and improving efficiency.

Conclusion of MC79M05BTG

The MC79M05BTG is a reliable and efficient fixed-output, negative voltage regulator IC from onsemi. Its low dropout voltage, excellent PSRR, and built-in protection features make it an ideal choice for a wide range of applications requiring a stable -5V output voltage. While the device is now considered obsolete, it remains a popular choice for legacy systems and applications where a reliable and efficient negative voltage regulator is required.