onsemi

MC79M12CDTG

MC79M12CDTG Description

The MC79M12CDTG is a linear voltage regulator IC from onsemi, designed to provide a fixed negative output voltage of -12V with a maximum output current of 500mA. This device features a single output regulator, making it suitable for applications requiring a single voltage reference. The MC79M12CDTG is now considered obsolete, but it still offers excellent performance and reliability for legacy systems.

MC79M12CDTG Features

• Output Type: Fixed, providing a stable and consistent output voltage
• Current - Output: 500mA, suitable for low to medium power applications
• Number of Regulators: 1, simplifying the design for single output voltage requirements
• Output Configuration: Negative, ideal for applications requiring a negative voltage reference
• Voltage Dropout (Max): 1.1V @ 500mA (Typ), ensuring efficient operation even under heavy load conditions
• PSRR: 60dB (120Hz), providing excellent power supply rejection ratio for stable operation
• Protection Features: Over Current and Over Temperature, safeguarding the device from potential damage
• Operating Temperature: 0°C ~ 125°C, suitable for a wide range of operating environments
• RoHS Status: ROHS3 Compliant, ensuring environmental compliance
• Moisture Sensitivity Level (MSL): 1 (Unlimited), allowing for flexible handling and storage options
• Mounting Type: Surface Mount,PCB
• Package: Tube

MC79M12CDTG Applications

The MC79M12CDTG is ideal for various applications where a stable and reliable negative voltage reference is required. Some specific use cases include:

1. Audio and Video Equipment: Providing a stable -12V reference for audio and video amplifiers and signal processing circuits.
2. Industrial Control Systems: Powering low-voltage circuits in industrial control panels and automation systems.
3. Telecommunications: Supplying a stable -12V reference for signal conditioning and processing circuits in telecommunications equipment.
4. Automotive Electronics: Powering low-voltage circuits in automotive entertainment systems and control modules.

Conclusion of MC79M12CDTG

The MC79M12CDTG, despite being an obsolete product, still offers excellent performance and reliability for applications requiring a fixed negative output voltage. Its unique features, such as low voltage dropout, high PSRR, and overcurrent and overtemperature protection, make it an ideal choice for a wide range of applications. While it may not be suitable for new designs, it remains a valuable component for maintaining and upgrading legacy systems.