onsemi

KA378R05TSTU

KA378R05TSTU Description

The KA378R05TSTU is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 5V and a maximum output current of 3A. This regulator is housed in a Through Hole TO220F-4L package, making it suitable for a variety of applications requiring a stable power supply. The device is capable of operating with an input voltage up to 35V, ensuring compatibility with a wide range of power sources. The KA378R05TSTU is known for its low dropout voltage of 0.5V at 3A, which enhances efficiency and reduces power loss, especially in applications where the input voltage is close to the output voltage.

KA378R05TSTU Features

• Fixed Output Voltage: The KA378R05TSTU provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High Output Current: With a maximum output current of 3A, this regulator can support demanding applications that require high current loads.
• Low Dropout Voltage: The maximum dropout voltage of 0.5V at 3A ensures high efficiency and minimal power loss, making it suitable for applications with tight voltage margins.
• Protection Features: The regulator includes comprehensive protection features such as over-current, over-temperature, over-voltage, and short-circuit protection, enhancing reliability and longevity.
• Moisture Sensitivity Level: Rated at MSL 1 (Unlimited), the KA378R05TSTU is suitable for a wide range of environmental conditions without the need for special handling.
• Low Quiescent Current: The device operates with a quiescent current of 10 mA, minimizing power consumption during standby or low-load conditions.
• Mounting Type: The Through Hole mounting type ensures robust mechanical stability and ease of integration into various circuit designs.
• Package Type: The TO220F-4L package offers good thermal performance and is widely used in industrial and consumer electronics.

KA378R05TSTU Applications

The KA378R05TSTU is well-suited for a variety of applications where a reliable and efficient power supply is essential. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and other portable electronics that require a stable 5V supply.
• Industrial Equipment: Suitable for industrial control systems, automation devices, and machinery that demand high current and stable voltage.
• Telecommunications: Can be used in communication infrastructure equipment, such as base stations and routers, where a reliable power supply is critical.
• Automotive Systems: Applicable in automotive electronics, such as infotainment systems and dashboard electronics, which require a stable power source.
• Medical Devices: Suitable for medical equipment that requires precise voltage regulation and high reliability.

Conclusion of KA378R05TSTU

The KA378R05TSTU is a robust and efficient linear voltage regulator that offers a fixed 5V output and a maximum current of 3A. Its low dropout voltage and comprehensive protection features make it a reliable choice for applications requiring a stable power supply. The Through Hole mounting and TO220F-4L package ensure ease of integration and good thermal performance. Despite being marked as obsolete, the KA378R05TSTU remains a viable option for designers seeking a dependable and efficient power solution.