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KA7809RTM

KA7809RTM Description

The KA7809RTM is a high-performance linear voltage regulator designed by Fairchild Semiconductor (now part of onsemi). This regulator is specifically engineered to provide a fixed output voltage of 9V, making it ideal for applications requiring a stable and reliable power supply. The KA7809RTM features a maximum input voltage of 35V and is capable of delivering a continuous output current of 1A. Housed in a DPAK package, this regulator is designed for surface mount applications, ensuring efficient heat dissipation and compact integration into various electronic systems.

KA7809RTM Features

• Fixed Output Voltage: The KA7809RTM provides a fixed output voltage of 9V, ensuring consistent power delivery to connected devices.
• 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 supply applications.
• High Output Current: Capable of delivering up to 1A of output current, the KA7809RTM is suitable for applications requiring higher current loads.
• Low Dropout Voltage: The regulator has a maximum dropout voltage of 2V at 1A, ensuring efficient operation even at lower input-to-output voltage differences.
• Protection Features: The KA7809RTM includes over-current, over-temperature, and short-circuit protection, enhancing the reliability and safety of the power supply system.
• Low Quiescent Current: With a quiescent current of only 8 mA, the KA7809RTM minimizes power consumption during standby conditions.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 71dB at 120Hz, effectively filtering out noise from the input power supply.
• Wide Operating Temperature Range: The KA7809RTM operates reliably within a temperature range of 0°C to 125°C, making it suitable for a variety of environmental conditions.
• Compliance and Packaging: The KA7809RTM is REACH affected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It is available in bulk packaging, facilitating easy procurement and integration.

KA7809RTM Applications

The KA7809RTM is ideal for a range of applications where a stable and efficient power supply is crucial. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and other portable electronics that require a stable 9V supply.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that need reliable power sources with protection features.
• Automotive Electronics: Can be used in automotive applications where a fixed voltage supply is needed for various electronic components.
• Medical Devices: Applicable in medical equipment where stable power supply and low noise are essential for accurate operation.
• Telecommunications: Useful in telecom infrastructure for powering various modules and components that require a fixed voltage.

Conclusion of KA7809RTM

The KA7809RTM is a robust and versatile linear voltage regulator that offers a fixed 9V output with a wide input voltage range and high output current capability. Its low dropout voltage, comprehensive protection features, and high PSRR make it an excellent choice for applications requiring stable and efficient power delivery. The KA7809RTM's compliance with environmental and regulatory standards, along with its surface mount packaging, ensures ease of integration and reliability in various electronic systems. Whether used in consumer electronics, industrial equipment, or automotive applications, the KA7809RTM stands out as a reliable and efficient power supply solution.