onsemi

KA7805ERTM

KA7805ERTM Description

The KA7805ERTM is a fixed linear voltage regulator designed by onsemi, offering a robust and reliable solution for power management in various electronic applications. This regulator features a fixed output voltage of 5V and is capable of delivering a continuous output current of up to 1A. It is housed in a DPAK package, which is well-suited for surface mount applications. The KA7805ERTM is designed to operate with an input voltage range up to 35V, making it versatile for a wide range of power supply requirements.

KA7805ERTM Features

• Fixed Output Voltage: The KA7805ERTM provides a stable 5V output voltage, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 35V, this regulator can handle a broad range of input power sources, enhancing its flexibility in various applications.
• Low Dropout Voltage: The regulator has a typical dropout voltage of 2V at 1A, which means it can maintain regulation even when the input voltage is close to the output voltage. This feature is particularly useful in applications where the input voltage may vary significantly.
• Low Quiescent Current: The KA7805ERTM operates with a quiescent current of only 8 mA, minimizing power consumption and improving efficiency.
• High Power Supply Rejection Ratio (PSRR): At 73dB (120Hz), the KA7805ERTM effectively filters out noise from the input power supply, ensuring a clean and stable output voltage.
• Protection Features: The regulator includes over-temperature and short-circuit protection, safeguarding both the device and the connected circuitry from potential damage.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), the KA7805ERTM is suitable for use in environments with varying humidity levels without the need for special handling precautions.
• Compliance: The KA7805ERTM is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

KA7805ERTM Applications

The KA7805ERTM is ideal for a variety of applications where a stable and reliable 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 Equipment: Suitable for industrial control systems, sensors, and actuators that need a reliable power source to ensure consistent operation.
• Automotive Applications: Can be used in automotive electronics where a stable 5V supply is necessary for various control modules and sensors.
• Communication Systems: Provides a stable power supply for communication devices, ensuring reliable operation and minimal downtime.
• Medical Devices: Suitable for powering medical equipment that requires a stable and clean power supply to ensure accurate readings and reliable operation.

Conclusion of KA7805ERTM

The KA7805ERTM is a versatile and reliable linear voltage regulator that offers a stable 5V output with a maximum input voltage of 35V. Its low dropout voltage and low quiescent current make it an efficient choice for applications where power consumption and input voltage variability are critical factors. The inclusion of over-temperature and short-circuit protection ensures the device's longevity and reliability. While the KA7805ERTM is now obsolete, it remains a robust solution for applications requiring a stable and efficient 5V power supply.