onsemi

KA278R33CTU

KA278R33CTU Description

The KA278R33CTU is a linear regulator IC designed for power management applications, manufactured by onsemi. This device is characterized by its fixed output voltage of 3.3V and a maximum output current of 2A. It is housed in a Through Hole TO220F-4L package, making it suitable for a variety of electronic systems where reliable power regulation is required. Despite being marked as obsolete, the KA278R33CTU remains a robust solution for power management needs, offering a maximum input voltage of 35V and a dropout voltage of 0.5V at 2A. The device is REACH unaffected and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage conditions. It also features over current, over temperature, over voltage, and short circuit protection, ensuring safe operation under various conditions.

KA278R33CTU Features

• Fixed Output Voltage: The KA278R33CTU provides a stable 3.3V output, ideal for applications requiring a consistent power supply.
• High Output Current: Capable of delivering up to 2A, this regulator is suitable for applications with higher current demands.
• Low Dropout Voltage: With a maximum dropout voltage of 0.5V at 2A, the KA278R33CTU ensures efficient power regulation even at low input voltages.
• Protection Features: Over current, over temperature, over voltage, and short circuit protection enhance the reliability and safety of the device.
• Through Hole Mounting: The TO220F-4L package is designed for through-hole mounting, providing a secure and durable installation in various electronic systems.
• Low Quiescent Current: A quiescent current of 10 mA ensures minimal power consumption during operation.
• Compliance and Reliability: The device is REACH unaffected and has an MSL of 1, making it suitable for long-term storage and use in diverse environments.

KA278R33CTU Applications

The KA278R33CTU is well-suited for a range of applications where stable power regulation is essential. Its fixed 3.3V output and high current capability make it ideal for:

• Embedded Systems: Providing a reliable power supply for microcontrollers, sensors, and other embedded components.
• Industrial Equipment: Ensuring stable power delivery in industrial control systems and automation devices.
• Telecommunications: Supplying power to communication modules and networking equipment.
• Consumer Electronics: Powering devices such as routers, modems, and other consumer electronics that require a stable 3.3V supply.

Conclusion of KA278R33CTU

The KA278R33CTU is a versatile linear regulator IC that offers a stable 3.3V output with a maximum current of 2A. Its low dropout voltage and comprehensive protection features make it a reliable choice for a variety of applications. Despite being marked as obsolete, the KA278R33CTU remains a valuable component for power management needs, especially in environments where through-hole mounting and robust protection features are required. Its compliance with REACH and low moisture sensitivity level further enhance its suitability for long-term use in diverse electronic systems.