onsemi

KA7808ETSTU

KA7808ETSTU Description

The KA7808ETSTU is a linear voltage regulator designed for applications requiring a stable 8V output at a maximum current of 1A. Manufactured by onsemi, this regulator is part of the KA7808 series and features a fixed output voltage configuration. It is housed in a through-hole TO220-3 package, making it suitable for a variety of electronic circuits. Despite being marked as obsolete, the KA7808ETSTU remains a reliable choice for applications where its specific voltage and current requirements are needed.

KA7808ETSTU Features

• Output Type: Fixed, ensuring a consistent 8V output.
• 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.
• Quiescent Current: Low quiescent current of 8 mA minimizes power consumption during idle states.
• Power Supply Rejection Ratio (PSRR): Achieves 73dB at 120Hz, effectively filtering out ripple and noise from the input power supply.
• Protection Features: Integrated over-temperature and short-circuit protection enhance reliability and protect against common failure modes.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) indicates the device is not sensitive to moisture, simplifying handling and storage requirements.
• Package Type: Through-hole TO220-3 package, ideal for applications requiring robust mechanical stability and ease of installation.
• Compliance: REACH Unaffected, ensuring compliance with environmental regulations.

KA7808ETSTU Applications

The KA7808ETSTU is well-suited for a range of applications where a stable 8V supply is required. Its features make it particularly suitable for:

• Power Supplies: Ideal for linear power supplies in consumer electronics, industrial equipment, and medical devices.
• Instrumentation: Provides a stable voltage source for precision instruments and measurement devices.
• Telecommunications: Suitable for powering low-power communication modules and interfaces.
• Automotive: Can be used in automotive electronic systems where a reliable 8V supply is needed.
• Consumer Electronics: Applicable in devices such as routers, modems, and set-top boxes.

Conclusion of KA7808ETSTU

The KA7808ETSTU, despite being marked as obsolete, remains a robust and reliable linear voltage regulator for applications requiring a stable 8V output. Its low dropout voltage, high PSRR, and integrated protection features make it a superior choice compared to similar models. The through-hole TO220-3 package ensures mechanical stability and ease of installation, while its compliance with environmental regulations ensures it meets industry standards. For applications where a fixed 8V output and moderate power delivery are required, the KA7808ETSTU is an ideal solution.