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MC79L15ACD

MC79L15ACD Description

The MC79L15ACD is a linear regulator IC designed by Texas Instruments, offering a fixed -15V output voltage with a maximum output current of 100mA. This device is housed in an 8SOIC package and is suitable for surface mount applications. It operates within a temperature range of 0°C to 125°C (TJ), making it ideal for a variety of industrial and commercial applications. The MC79L15ACD features a maximum dropout voltage of 1.7V at 40mA, ensuring efficient power regulation even under varying load conditions. It also boasts a power supply rejection ratio (PSRR) of 39dB at 120Hz, which helps in maintaining stable output voltage despite fluctuations in the input supply. The regulator includes protection features such as over-temperature and short-circuit protection, enhancing its reliability and robustness. Despite its obsolescence, the MC79L15ACD remains a viable option for applications requiring a negative output configuration and a single regulator.

MC79L15ACD Features

• Fixed Output Voltage: Provides a stable -15V output, ensuring consistent power supply to connected devices.
• High Output Current: Capable of delivering up to 100mA, suitable for powering a wide range of electronic components.
• Wide Operating Temperature Range: Functions reliably between 0°C and 125°C (TJ), making it suitable for diverse environments.
• Low Dropout Voltage: A maximum dropout voltage of 1.7V at 40mA ensures efficient power regulation, especially under varying load conditions.
• High PSRR: Achieves a power supply rejection ratio of 39dB at 120Hz, maintaining stable output voltage despite input supply fluctuations.
• Protection Features: Includes over-temperature and short-circuit protection, enhancing reliability and robustness.
• Surface Mount Package: The 8SOIC package is ideal for surface mount applications, providing a compact and efficient solution.
• Negative Output Configuration: Unique negative output configuration, catering to specific power requirements.

MC79L15ACD Applications

The MC79L15ACD is well-suited for applications requiring a stable -15V power supply with a maximum output current of 100mA. Its wide operating temperature range and robust protection features make it ideal for industrial and commercial environments. Specific use cases include:

• Power Supply Units: Provides a stable -15V supply for various electronic components within power supply units.
• Industrial Control Systems: Ensures reliable power regulation in industrial control systems, where stable voltage supply is critical.
• Telecommunications Equipment: Suitable for powering components in telecommunications equipment, where efficient power management is essential.
• Medical Devices: Can be used in medical devices requiring a stable and reliable power supply, ensuring consistent performance.
• Automotive Electronics: Ideal for automotive applications where a negative output configuration is required.

Conclusion of MC79L15ACD

The MC79L15ACD, despite being obsolete, remains a reliable and efficient linear regulator IC. Its fixed -15V output voltage, high output current capability, and wide operating temperature range make it suitable for a variety of applications. The inclusion of over-temperature and short-circuit protection features enhances its robustness, making it a dependable choice for power management in industrial and commercial settings. While newer alternatives may offer advanced features, the MC79L15ACD continues to provide a cost-effective and reliable solution for applications requiring a negative output configuration and a single regulator.