onsemi

KA79M05

KA79M05 Description

The KA79M05 is a fixed output, negative linear voltage regulator designed for a wide range of power management applications. Manufactured by onsemi, this regulator offers a robust solution for providing a stable -5V output at a current of up to 500mA. The KA79M05 is housed in a Through Hole TO220-3 package, making it suitable for both prototyping and production environments. Despite being marked as obsolete, the KA79M05 remains a reliable choice for applications requiring a negative voltage supply.

KA79M05 Features

• Output Type: Fixed, ensuring a stable -5V output.
• 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 supply rail.
• Voltage Dropout: A maximum dropout voltage of 1.1V at 500mA ensures efficient operation even at lower input voltages.
• Operating Temperature Range: Wide operating temperature range from 0°C to 125°C, suitable for both commercial and industrial environments.
• Quiescent Current: Low quiescent current of 6mA minimizes power consumption during idle states.
• Power Supply Rejection Ratio (PSRR): 60dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Protection Features: Over-temperature and short-circuit protection ensure reliable operation and protect against potential faults.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), indicating the component is not sensitive to moisture, enhancing its reliability in various environmental conditions.
• Compliance: REACH Unaffected and ECCN EAR99, ensuring compliance with international regulations and standards.

KA79M05 Applications

The KA79M05 is ideal for applications requiring a stable negative voltage supply. Its key applications include:

• Analog Circuits: Providing a clean and stable -5V supply for op-amps, ADCs, and DACs.
• Power Supplies: Used in power supply units where a negative rail is necessary.
• Industrial Equipment: Suitable for industrial control systems and instrumentation that require a negative voltage supply.
• Telecommunications: Ideal for telecom equipment needing a reliable negative voltage source.
• Consumer Electronics: Used in consumer devices that require a negative voltage rail for specific components.

Conclusion of KA79M05

The KA79M05 is a versatile and reliable linear voltage regulator designed to provide a stable -5V output. Its low dropout voltage, low quiescent current, and robust protection features make it an excellent choice for a variety of applications. Despite being marked as obsolete, the KA79M05 remains a reliable and efficient solution for applications requiring a negative voltage supply. Its wide operating temperature range and compliance with international standards further enhance its suitability for diverse environments. For designers and engineers seeking a dependable negative voltage regulator, the KA79M05 is a proven option that offers stability, efficiency, and reliability.