onsemi

KA78R09CTSTU

KA78R09CTSTU Description

The KA78R09CTSTU is a linear regulator IC designed for power management applications, manufactured by onsemi. This device offers a fixed output voltage of 9V and is capable of delivering a maximum output current of 1A. It is housed in a TO220F-4L package, making it suitable for through-hole mounting. The KA78R09CTSTU features a maximum input voltage of 35V and a dropout voltage of 0.5V at 1A, ensuring efficient operation even under high load conditions The. regulator includes an enable control feature, providing additional flexibility in system design. It also incorporates comprehensive protection features such as over-current, over-temperature, over-voltage, and short-circuit protection, enhancing reliability and safety. Despite being marked as obsolete, the KA78R09CTSTU remains a robust choice for applications requiring a stable and reliable power supply.

KA78R09CTSTU Features

• Output Type: Fixed, ensuring a stable 9V output voltage.
• Input Voltage Range: Up to 35V, providing compatibility with a wide range of input sources.
• Output Current: Capable of delivering up to 1A, suitable for moderate power applications.
• Dropout Voltage: Low dropout voltage of 0.5V at 1A, improving efficiency and performance.
• Control Features: Enable functionality allows for dynamic control of the regulator.
• Protection Features: Over-current, over-temperature, over-voltage, and short-circuit protection ensure robustness and reliability.
• Mounting Type: Through-hole mounting, suitable for applications requiring mechanical stability and ease of installation.
• Package: Supplied in a tube package, facilitating convenient handling and storage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating the device is not sensitive to moisture, enhancing its durability in various environments.

KA78R09CTSTU Applications

The KA78R09CTSTU is ideal for a variety of applications where a stable and reliable 9V power supply is required. Its features make it particularly suitable for:

• Consumer Electronics: Providing a stable power source for devices such as radios, amplifiers, and other audio equipment.
• Industrial Equipment: Ensuring reliable power delivery in control systems, sensors, and actuators.
• Telecommunications: Powering communication modules and peripherals that require a stable 9V supply.
• Automotive: Suitable for automotive applications where a robust and reliable power supply is essential.
• Medical Devices: Providing a stable power source for medical equipment that requires precise voltage regulation.

Conclusion of KA78R09CTSTU

The KA78R09CTSTU is a versatile and reliable linear regulator IC that offers a fixed 9V output with a maximum current of 1A. Its low dropout voltage and comprehensive protection features make it a robust choice for a wide range of applications. Despite being marked as obsolete, the KA78R09CTSTU remains a valuable component for engineers and designers seeking a dependable power management solution. Its through-hole mounting and tube packaging ensure ease of integration and handling, making it a practical choice for various power supply needs.