onsemi

KA278R05CYDTU  

Linear & Switching Voltage Regulators

KA278R05CYDTU Description

The KA278R05CYDTU is a linear regulator IC designed for power management applications, manufactured by onsemi. This device offers a fixed output voltage of 5V and is capable of delivering a continuous output current of up to 2A. It is housed in a through-hole TO220F-4L package, making it suitable for a variety of industrial and consumer electronics applications. The KA278R05CYDTU features a maximum input voltage of 35V and a dropout voltage of 0.5V at 2A, ensuring efficient power conversion even under varying input conditions. The regulator includes comprehensive protection features such as over-current, over-temperature, over-voltage, and short-circuit protection, enhancing its reliability and robustness. Despite being marked as obsolete, the KA278R05CYDTU remains a viable option for legacy systems and applications where its specific attributes are required.

KA278R05CYDTU Features

• Output Type: Fixed, providing a stable 5V output voltage.
• Input Voltage Range: Up to 35V, offering flexibility in power supply design.
• Output Current: 2A, suitable for a wide range of power-hungry applications.
• Dropout Voltage: Low dropout voltage of 0.5V at 2A, ensuring high efficiency.
• Protection Features: Over-current, over-temperature, over-voltage, and short-circuit protection, enhancing reliability.
• Mounting Type: Through-hole, facilitating easy integration into PCB designs.
• Package: TO220F-4L, housed in a tube for convenient handling and storage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various environmental conditions.
• Quiescent Current: Low quiescent current of 10 mA, minimizing power consumption in standby mode.
• Product Status: Obsolete, but still available for legacy systems.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.

KA278R05CYDTU Applications

The KA278R05CYDTU is ideal for applications requiring a stable 5V supply with a high current capability. Its robust protection features make it suitable for environments where power surges and short circuits are potential risks. Specific use cases include:

• Power Supplies: Ideal for linear power supplies in consumer electronics and industrial equipment.
• Telecommunications: Suitable for powering telecom infrastructure components requiring a stable 5V supply.
• Automotive: Can be used in automotive applications where a reliable power source is critical.
• Consumer Electronics: Applicable in devices such as routers, modems, and set-top boxes.
• Industrial Control Systems: Provides a stable power source for control systems and instrumentation.

Conclusion of KA278R05CYDTU

The KA278R05CYDTU is a versatile linear regulator IC with a fixed 5V output and a robust set of protection features. Its ability to deliver up to 2A of current and operate efficiently with a low dropout voltage makes it a reliable choice for various power management applications. Despite being marked as obsolete, the KA278R05CYDTU remains a valuable component for legacy systems and applications where its specific attributes are essential. Its low quiescent current and comprehensive protection features further enhance its suitability for a wide range of industrial and consumer electronics applications.

KA278R05CYDTU Documents

Download datasheets and manufacturer documentation for KA278R05CYDTU