onsemi

KA78L18AZTA

KA78L18AZTA Description

The KA78L18AZTA is a linear regulator IC designed for power management applications, manufactured by onsemi. This device is part of the Power Management IC (PMIC) category and is housed in a TO92-3 package. It features a fixed output voltage of 18V and is capable of delivering a maximum output current of 100mA. The KA78L18AZTA is designed to operate with an input voltage range up to 35V, making it suitable for a variety of power supply applications. The regulator is designed with a positive output configuration and includes protection features such as over-temperature and short-circuit protection to ensure reliable operation. The device operates within a temperature range of 0°C to 125°C, making it suitable for industrial and automotive applications. Despite its obsolete status, the KA78L18AZTA remains a robust choice for applications requiring a stable 18V output.

KA78L18AZTA Features

• Fixed Output Voltage: The KA78L18AZTA provides a stable 18V output, 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 designs.
• Low Quiescent Current: The device features a low quiescent current of 6mA, which minimizes power consumption during operation, enhancing overall efficiency.
• High PSRR: The KA78L18AZTA boasts a high power supply rejection ratio (PSRR) of 48dB at 120Hz, effectively filtering out noise and ripple from the input power supply.
• Protection Features: Over-temperature and short-circuit protection ensure the device remains safe and reliable under adverse conditions.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environments.
• Mounting Type: The through-hole mounting type facilitates easy integration into printed circuit boards, ensuring mechanical stability and ease of assembly.
• Compliance: The KA78L18AZTA is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international regulations.

KA78L18AZTA Applications

The KA78L18AZTA is ideal for applications requiring a stable 18V power supply. Its high input voltage range and low quiescent current make it suitable for a variety of power management tasks, including:

• Industrial Equipment: Providing a stable power supply for sensors, actuators, and control systems in industrial settings.
• Automotive Electronics: Ensuring reliable power delivery to electronic components in vehicles, such as infotainment systems and control modules.
• Consumer Electronics: Used in devices like power adapters and battery chargers where a stable voltage is crucial for proper operation.
• Telecommunications: Supplying power to communication equipment and infrastructure, ensuring consistent performance.
• Medical Devices: Providing a reliable power source for medical equipment that requires stable voltage levels.

Conclusion of KA78L18AZTA

The KA78L18AZTA is a robust linear regulator IC designed for power management applications. Its fixed 18V output, high input voltage range, and low quiescent current make it an efficient and reliable choice for a variety of applications. The inclusion of over-temperature and short-circuit protection ensures the device remains safe and reliable under adverse conditions. Despite its obsolete status, the KA78L18AZTA remains a viable option for applications requiring a stable 18V power supply. Its compliance with international regulations and versatile mounting type further enhance its appeal in the electronics industry.