Texas Instruments

MC79L05ACDE4

MC79L05ACDE4 Description

The MC79L05ACDE4 is a highly reliable linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of -5V and a maximum output current of 100mA. This single regulator is housed in an 8-pin SOIC package, making it suitable for surface mount applications. The device is designed to operate within a temperature range of 0°C to 125°C, ensuring robust performance in a variety of environmental conditions. With a dropout voltage of 1.7V at 40mA, the MC79L05ACDE4 ensures efficient power delivery even under varying load conditions. The regulator also features over-temperature and short-circuit protection, enhancing its reliability and longevity in demanding applications.

MC79L05ACDE4 Features

• Fixed Output Voltage: The MC79L05ACDE4 provides a stable -5V output, making it ideal for applications requiring a consistent negative voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 1.7V at 40mA, the regulator maintains high efficiency even at lower input voltages, reducing power loss and improving overall system efficiency.
• Protection Features: Over-temperature and short-circuit protection ensure the device remains safe and operational under adverse conditions, protecting both the regulator and connected components.
• High PSRR: A power supply rejection ratio (PSRR) of 49dB at 120Hz minimizes the impact of input voltage variations on the output, ensuring a clean and stable power supply.
• Compliance and Reliability: The MC79L05ACDE4 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Its moisture sensitivity level (MSL) of 1 (unlimited) ensures it is suitable for a wide range of manufacturing processes.
• Mounting Type: The surface mount design allows for easy integration into compact and high-density PCB layouts, making it suitable for modern electronic designs.

MC79L05ACDE4 Applications

The MC79L05ACDE4 is well-suited for a variety of applications where a stable negative voltage supply is required. Some specific use cases include:

• Analog Circuits: Providing a stable -5V supply for operational amplifiers, ADCs, and DACs in precision analog signal processing applications.
• Power Supplies: Ideal for use in power supply designs where a negative voltage rail is needed, such as in dual-supply systems.
• Industrial Equipment: Suitable for industrial control systems, instrumentation, and other applications requiring reliable and stable power sources.
• Consumer Electronics: Can be used in consumer devices that require a negative voltage supply for specific components, enhancing overall system performance and reliability.

Conclusion of MC79L05ACDE4

The MC79L05ACDE4 from Texas Instruments is a versatile and reliable linear voltage regulator that offers a fixed -5V output with a maximum current of 100mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for applications requiring a stable negative voltage supply. The surface mount package and compliance with environmental standards further enhance its suitability for modern electronic designs. Whether used in precision analog circuits, power supplies, or industrial equipment, the MC79L05ACDE4 ensures reliable and efficient performance, making it a standout choice in its category.