onsemi

KA7924

KA7924 Description

The KA7924 is a linear regulator IC designed for power management applications, manufactured by onsemi. This device is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust performance and reliability. The KA7924 features a fixed output voltage of -24V and is capable of delivering a continuous output current of 1A. It is housed in a Through Hole TO220-3 package, making it suitable for a wide range of industrial and commercial applications.

KA7924 Features

• Output Type: Fixed at -24V, ensuring stable power supply for various electronic systems.
• Current - Output: Capable of delivering a steady 1A output current, suitable for demanding applications requiring high current loads.
• Number of Regulators: Single regulator design simplifies circuit design and reduces complexity.
• Output Configuration: Negative output voltage, ideal for applications requiring negative voltage rails.
• Product Status: Although marked as obsolete, the KA7924 remains a reliable choice for legacy systems and specific applications where its features are still highly valued.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.
• Voltage Dropout (Max): 2V at 1A (Typ), providing efficient operation even under high load conditions.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), making it suitable for a wide range of environmental conditions without the need for special handling.
• Operating Temperature: Wide range of 0°C to 125°C, ensuring reliable performance in various operating environments.
• Current - Quiescent (Iq): Low quiescent current of 6 mA, contributing to high efficiency and reduced power consumption.
• PSRR: 60dB at 120Hz, ensuring excellent noise rejection and stable output voltage.
• Protection Features: Over-temperature and short-circuit protection, safeguarding the device and connected circuits from potential damage.
• Mounting Type: Through Hole, facilitating easy integration into printed circuit boards and ensuring mechanical stability.
• Package: Bulk packaging, suitable for high-volume production and inventory management.

KA7924 Applications

The KA7924 is ideal for a variety of applications where a stable and reliable negative voltage supply is required. Some specific use cases include:

• Industrial Control Systems: Providing stable power to control modules and sensors that require a negative voltage rail.
• Telecommunications Equipment: Ensuring reliable operation of communication circuits that need a consistent -24V supply.
• Medical Devices: Powering critical components in medical equipment where stable voltage is essential for accurate performance.
• Automotive Electronics: Supplying power to automotive systems that require negative voltage for specific functions.
• Legacy Systems: Maintaining compatibility and performance in older systems where the KA7924 was originally designed to be used.

Conclusion of KA7924

The KA7924 is a versatile and reliable linear regulator IC that offers a fixed -24V output with a robust 1A current capability. Its low dropout voltage, low quiescent current, and high PSRR make it an efficient and stable power solution. The inclusion of over-temperature and short-circuit protection ensures the device's longevity and reliability in various applications. Despite being marked as obsolete, the KA7924 remains a valuable component for specific applications and legacy systems where its unique features and performance benefits are still highly relevant.