onsemi

KA7805ERTF

KA7805ERTF Description

The KA7805ERTF is a fixed output linear voltage regulator from onsemi, designed to deliver a stable 5V output at a maximum current of 1A. This regulator is housed in a DPAK package, making it suitable for surface mount applications. Despite being marked as obsolete, the KA7805ERTF remains a reliable choice for many applications due to its robust performance and compliance with industry standards such as REACH and RoHS3. The regulator features a maximum input voltage of 35V and a dropout voltage of 2V at 1A, ensuring efficient operation even under varying input conditions. It also includes over-temperature and short-circuit protection, enhancing its reliability and safety in diverse electronic systems.

KA7805ERTF Features

• Fixed Output Voltage: Provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High Input Voltage Range: Capable of handling input voltages up to 35V, offering flexibility in power source selection.
• Low Dropout Voltage: With a dropout voltage of 2V at 1A, the KA7805ERTF ensures efficient power conversion, minimizing power loss and heat generation.
• Over-Temperature and Short-Circuit Protection: These features safeguard the regulator and connected components from damage due to overheating or excessive current.
• Low Quiescent Current: Consumes only 8 mA in quiescent state, contributing to energy efficiency.
• High Power Supply Rejection Ratio (PSRR): Achieves 73dB at 120Hz, effectively filtering out noise from the input power supply.
• Compliance and Packaging: REACH unaffected and RoHS3 compliant, ensuring environmental safety. Packaged in tape & reel (TR) format for convenient handling and assembly.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), making it suitable for a wide range of manufacturing environments.

KA7805ERTF Applications

The KA7805ERTF is well-suited for a variety of applications where a reliable and efficient 5V power supply is required. 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 Control Systems: Provides a robust power solution for PLCs, sensors, and actuators, ensuring stable operation in demanding industrial environments.
• Telecommunications: Suitable for powering communication modules and base stations, where reliability and efficiency are critical.
• Automotive Electronics: Can be used in automotive applications such as infotainment systems and electronic control units, benefiting from its high input voltage range and protection features.
• Medical Devices: Ensures stable power supply for medical equipment, contributing to the reliability and safety of critical devices.

Conclusion of KA7805ERTF

The KA7805ERTF is a versatile and reliable linear voltage regulator that offers a stable 5V output with a maximum current of 1A. Its low dropout voltage, high PSRR, and protection features make it an excellent choice for a wide range of applications. Despite being marked as obsolete, its robust performance and compliance with industry standards ensure that it remains a valuable component in the electronics industry. Whether used in consumer electronics, industrial systems, or automotive applications, the KA7805ERTF provides a dependable power solution that meets the demands of modern electronic devices.