onsemi

KA278R05CTU

KA278R05CTU Description

The KA278R05CTU is a fixed output linear regulator from onsemi, designed to provide a stable 5V output at a maximum current of 2A. This device is housed in a TO220F-4L package, making it suitable for through-hole mounting. Despite its obsolete status, the KA278R05CTU remains a reliable choice for applications requiring a robust power management solution. The regulator features a maximum input voltage of 35V and a dropout voltage of 0.5V at full load, ensuring efficient operation even under varying input conditions. It also includes comprehensive protection features such as over current, over temperature, over voltage, and short circuit protection, enhancing its reliability and durability.

KA278R05CTU Features

• Fixed Output Voltage: The KA278R05CTU provides a stable 5V output, making it ideal for applications requiring a consistent power supply.
• High Current Capability: With a maximum output current of 2A, this regulator can support a wide range of power-hungry devices.
• Low Dropout Voltage: A dropout voltage of 0.5V at 2A ensures efficient operation, even with input voltages close to the output voltage.
• Comprehensive Protection: Features over current, over temperature, over voltage, and short circuit protection, safeguarding both the regulator and connected devices.
• Through-Hole Mounting: The TO220F-4L package is designed for through-hole mounting, providing a secure and reliable installation.
• Low Quiescent Current: A quiescent current of 10 mA minimizes power consumption during standby, enhancing overall efficiency.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the device is suitable for a wide range of environmental conditions.

KA278R05CTU Applications

The KA278R05CTU is well-suited for a variety of applications where a stable and reliable power supply is crucial. Its fixed 5V output and high current capability make it ideal for:

• Consumer Electronics: Powering devices such as routers, modems, and set-top boxes.
• Industrial Equipment: Providing stable power to control systems and sensors.
• Telecommunications: Ensuring reliable power for network infrastructure components.
• Automotive: Supporting in-vehicle electronics and accessories.
• Medical Devices: Powering diagnostic equipment and monitoring devices.

Conclusion of KA278R05CTU

The KA278R05CTU from onsemi is a robust linear regulator offering a stable 5V output at up to 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 KA278R05CTU remains a viable option for designers seeking a proven power management solution. Its through-hole mounting and low quiescent current further enhance its suitability for applications requiring stability and efficiency.