onsemi

KA7806ETU

KA7806ETU Description

The KA7806ETU is a linear voltage regulator designed for a wide range of power management applications. Manufactured by onsemi, this device is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust performance and reliability. The KA7806ETU features a fixed output voltage of 6V and is capable of delivering a continuous output current of 1A. It operates within an input voltage range up to 35V, making it suitable for various power supply requirements.

This regulator is housed in a through-hole TO220-3 package, which is ideal for applications requiring high power dissipation and thermal stability. The KA7806ETU also includes essential protection features such as over-temperature and short-circuit protection, ensuring safe operation under adverse conditions. Despite its obsolescence status, the KA7806ETU remains a viable option for legacy systems and applications where its specific characteristics are required.

KA7806ETU Features

• Fixed Output Voltage: The KA7806ETU provides a stable 6V output, which is ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 35V, this regulator can handle a wide range of input voltages, making it versatile for various power sources.
• Low Dropout Voltage: The maximum dropout voltage of 2V at 1A ensures efficient power conversion, even when the input voltage is close to the output voltage.
• Low Quiescent Current: A quiescent current of only 8 mA minimizes power consumption during standby conditions, enhancing overall system efficiency.
• High PSRR: The Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz ensures that the regulator can effectively filter out noise from the input power supply, resulting in a cleaner output voltage.
• Protection Features: Over-temperature and short-circuit protection safeguard the device and connected components from damage, enhancing reliability and longevity.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• Compliance: The KA7806ETU is REACH unaffected, ensuring compliance with environmental and safety regulations.

KA7806ETU Applications

The KA7806ETU is well-suited for a variety of applications where a stable 6V power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as radios, amplifiers, and other consumer electronics that require a stable 6V supply.
• Industrial Equipment: Suitable for industrial applications where reliability and robustness are critical, such as in control systems and instrumentation.
• Automotive Electronics: Can be used in automotive applications where a stable power supply is essential for electronic components.
• Telecommunications: Provides a reliable power source for communication equipment, ensuring stable operation under varying conditions.
• Legacy Systems: Given its obsolescence status, the KA7806ETU is particularly useful for maintaining and repairing legacy systems where modern alternatives are not compatible.

Conclusion of KA7806ETU

The KA7806ETU is a reliable and efficient linear voltage regulator that offers a stable 6V output with a maximum input voltage of 35V. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring a clean and efficient power supply. The inclusion of over-temperature and short-circuit protection features ensures robustness and reliability, making it suitable for a wide range of applications, from consumer electronics to industrial equipment. Despite being marked as obsolete, the KA7806ETU remains a valuable component for maintaining legacy systems and ensuring their continued operation.