onsemi

MC79M08CTG

MC79M08CTG Description

The MC79M08CTG is a fixed-output linear regulator designed for providing a stable -8V output at a maximum current of 500mA. Manufactured by onsemi, this regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in a TO220AB package, making it suitable for through-hole mounting. Despite its obsolete status, the MC79M08CTG remains a reliable choice for applications requiring a negative voltage supply.

MC79M08CTG Features

• Output Type: Fixed at -8V, ensuring a stable and consistent voltage supply.
• Output Current: Capable of delivering up to 500mA, making it suitable for a variety of low to medium power applications.
• Number of Regulators: Single regulator design simplifies circuit design and reduces component count.
• Output Configuration: Negative output voltage, ideal for applications requiring a negative power supply.
• Voltage Dropout: A maximum dropout voltage of 1.1V at 500mA (typical) ensures efficient operation even at low input voltages.
• Power Supply Rejection Ratio (PSRR): 63dB at 120Hz, providing excellent noise rejection and stable output.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and protect against faults.
• Operating Temperature Range: 0°C to 125°C, making it suitable for a wide range of environmental conditions.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for storage and handling in various conditions.
• Package: Supplied in a tube package, facilitating easy handling and integration into through-hole designs.

MC79M08CTG Applications

The MC79M08CTG is ideal for applications requiring a stable negative voltage supply. Some specific use cases include:

• Analog Circuits: Providing power to operational amplifiers, ADCs, and DACs that require a negative supply voltage.
• Communication Systems: Supplying power to components that need a negative bias, such as modulators and demodulators.
• Medical Equipment: Powering sensitive medical devices that require stable and reliable negative voltage sources.
• Industrial Controls: Used in control systems where a negative voltage is necessary for specific components or sensors.
• Audio Amplifiers: Providing a negative supply rail for audio amplifiers to achieve balanced audio output.

Conclusion of MC79M08CTG

The MC79M08CTG, despite being obsolete, remains a robust and reliable choice for applications requiring a fixed -8V output at up to 500mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it a standout option in the market. The through-hole mounting and tube packaging ensure ease of integration into existing designs. While newer alternatives may offer additional features, the MC79M08CTG continues to serve as a dependable solution for a variety of power management needs.