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MC79M05CTG

MC79M05CTG Description

The MC79M05CTG is a linear regulator IC designed for applications requiring a stable -5V output voltage with a maximum output current of 500mA. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a Through Hole TO220AB package. Despite being marked as obsolete, the MC79M05CTG remains a reliable choice for specific applications due to its robust design and performance characteristics.

MC79M05CTG Features

• Output Type: Fixed at -5V, ensuring consistent voltage regulation.
• Output Current: Capable of delivering up to 500mA, suitable for a wide range of low to medium power applications.
• Number of Regulators: Single regulator design simplifies circuit implementation.
• Output Configuration: Negative output voltage, ideal for applications requiring negative power supplies.
• Voltage Dropout: A maximum dropout voltage of 1.1V at 500mA (typical) ensures efficient operation even at lower input voltages.
• Protection Features: Over Current and Over Temperature protection mechanisms safeguard the device and connected circuits from damage.
• Operating Temperature: Wide operating temperature range of 0°C to 125°C, making it suitable for both commercial and industrial environments.
• PSRR: High Power Supply Rejection Ratio of 66dB at 120Hz, minimizing the impact of input voltage variations on the output.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and safety standards are met.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), indicating the device is not sensitive to moisture, enhancing reliability in various storage and operating conditions.
• Package: Supplied in a Tube package, facilitating easy handling and integration into through-hole designs.

MC79M05CTG Applications

The MC79M05CTG is particularly well-suited for applications that require a stable negative voltage supply. Some specific use cases include:

• Analog Circuits: Providing a stable -5V supply for op-amps, ADCs, and DACs in precision analog signal processing.
• Telecommunications: Powering negative voltage rails in communication equipment and base stations.
• Industrial Controls: Supplying negative voltage for PLCs, sensors, and actuators in industrial automation systems.
• Medical Equipment: Ensuring reliable power for medical devices that require negative voltage for specific components.
• Consumer Electronics: Used in devices such as printers, scanners, and other peripherals that require a negative voltage supply.

Conclusion of MC79M05CTG

The MC79M05CTG, despite its obsolete status, continues to offer significant value in applications requiring a stable -5V output with robust protection features. Its wide operating temperature range, high PSRR, and compliance with environmental standards make it a reliable choice for both existing and new designs. While modern alternatives may offer additional features, the MC79M05CTG remains a cost-effective and dependable solution for applications where its specific capabilities are required.