onsemi

KA7805AETU

KA7805AETU Description

The KA7805AETU is a linear voltage regulator designed for applications requiring a stable 5V output voltage with a maximum output current of 1A. Manufactured by onsemi, this regulator is housed in a through-hole TO220-3 package, making it suitable for a wide range of industrial and consumer electronics applications. Despite its obsolete status, the KA7805AETU remains a reliable choice for engineers and designers due to its robust performance and comprehensive protection features.

KA7805AETU Features

• Output Type: Fixed at 5V, ensuring a stable and consistent voltage supply.
• Input Voltage Range: Capable of handling input voltages up to 35V, providing flexibility in power supply design.
• Output Current: Delivers a maximum output current of 1A, suitable for moderate power applications.
• Dropout Voltage: A typical dropout voltage of 2V at 1A ensures efficient operation even at lower input voltages.
• Protection Features: Equipped with over-temperature and short-circuit protection to safeguard the regulator and connected circuits.
• Operating Temperature: Functions reliably within a temperature range of 0°C to 125°C, making it suitable for a variety of environmental conditions.
• Quiescent Current: Low quiescent current of 6mA minimizes power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 68dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates that the component is not sensitive to moisture, facilitating easier handling and storage.
• Package Type: Supplied in a tube package, suitable for through-hole mounting and easy integration into PCB designs.

KA7805AETU Applications

The KA7805AETU is ideal for a variety of applications where a stable 5V supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics.
• Industrial Equipment: Suitable for industrial control systems, instrumentation, and automation devices that require a reliable power supply.
• Telecommunications: Can be used in telecom equipment for powering various components and modules.
• Automotive: Applicable in automotive electronics for powering control units and sensors.
• Medical Devices: Suitable for medical equipment where a stable and reliable power supply is crucial.

Conclusion of KA7805AETU

The KA7805AETU from onsemi is a robust linear voltage regulator that offers a stable 5V output with a maximum current of 1A. Its comprehensive protection features, low dropout voltage, and wide operating temperature range make it a reliable choice for various applications. Despite being marked as obsolete, the KA7805AETU continues to be a valuable component for engineers and designers due to its proven performance and compatibility with existing designs. Its through-hole TO220-3 package and low quiescent current further enhance its suitability for a wide range of electronic systems.