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MC79L24ACP

MC79L24ACP Description

The MC79L24ACP is a linear regulator IC designed for applications requiring a fixed -24V output voltage with a maximum output current of 100mA. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a Through Hole TO92-3 package. Despite being marked as obsolete, the MC79L24ACP remains a reliable solution for specific power management needs.

Key technical specifications include a dropout voltage of 1.7V at 40mA (typical), ensuring efficient operation even at lower input voltages. The regulator operates within a temperature range of 0°C to 125°C, making it suitable for a variety of industrial and consumer applications. Additionally, the MC79L24ACP features a Power Supply Rejection Ratio (PSRR) of 47dB at 120Hz, which helps in maintaining a stable output voltage under varying input conditions.

MC79L24ACP Features

• Fixed Output Voltage: The MC79L24ACP provides a stable -24V output, ideal for applications requiring a consistent negative voltage supply.
• Output Current: With a maximum output current of 100mA, this regulator can efficiently power small to medium-sized electronic circuits.
• Low Dropout Voltage: The 1.7V dropout voltage at 40mA ensures high efficiency, particularly in applications where the input voltage is close to the output voltage.
• Protection Features: Integrated over-temperature and short-circuit protection enhance the reliability and robustness of the device, safeguarding it against common operational faults.
• Wide Operating Temperature Range: The 0°C to 125°C operating temperature range makes the MC79L24ACP suitable for use in environments with varying thermal conditions.
• Through Hole Mounting: The through-hole mounting type facilitates easy integration into printed circuit boards and ensures mechanical stability in the final assembly.

MC79L24ACP Applications

The MC79L24ACP is well-suited for a range of applications where a stable -24V supply is required. Some specific use cases include:

• Telecommunications Equipment: Providing a reliable power supply for components in telecommunication systems that require a negative voltage rail.
• Industrial Control Systems: Ensuring stable power for sensors, actuators, and control circuits in industrial environments.
• Consumer Electronics: Powering small electronic devices and peripherals that operate on a -24V supply.
• Medical Devices: Supplying power to medical equipment where a stable and reliable negative voltage is crucial for accurate operation.

Conclusion of MC79L24ACP

The MC79L24ACP, despite its obsolete status, remains a valuable component for applications requiring a stable -24V output. Its low dropout voltage, wide operating temperature range, and robust protection features make it a reliable choice for various power management needs. While newer alternatives may offer additional features, the MC79L24ACP continues to provide a cost-effective and dependable solution for specific applications. For designers and engineers working with legacy systems or requiring a straightforward negative voltage regulator, the MC79L24ACP is an excellent option to consider.