onsemi

FAN1581T15

FAN1581T15 Description

The FAN1581T15 is a linear regulator IC designed for power management applications, offering a fixed output voltage of 1.5V and a maximum output current of 5A. Manufactured by onsemi, this device is housed in a through-hole TO220-5 package, ensuring robust mechanical stability and ease of integration into various electronic systems. The FAN1581T15 operates within an input voltage range up to 7V, providing a dropout voltage of 1.18V at full load, which is crucial for maintaining efficiency in low-voltage applications. With a quiescent current of only 6 mA, this regulator is optimized for low power consumption, making it suitable for battery-operated devices and other power-sensitive applications. The device also features overcurrent and overtemperature protection, ensuring reliable operation under varying load conditions. The operating temperature range of 0°C to 125°C makes it suitable for a wide range of industrial and consumer applications. Despite being marked as obsolete, the FAN1581T15 remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

FAN1581T15 Features

• Fixed Output Voltage: The FAN1581T15 provides a stable 1.5V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Output Current: Capable of delivering up to 5A of output current, this regulator is well-suited for applications requiring high power output.
• Low Dropout Voltage: With a dropout voltage of 1.18V at 5A, the FAN1581T15 maintains high efficiency even at low input voltages, making it ideal for battery-powered devices.
• Low Quiescent Current: The 6 mA quiescent current minimizes power consumption during idle periods, enhancing overall system efficiency.
• Protection Features: Overcurrent and overtemperature protection ensure the regulator operates safely under various load conditions, preventing damage to the device and connected components.
• Wide Operating Temperature Range: The device operates reliably from 0°C to 125°C, making it suitable for a broad range of applications, including those in harsh environments.
• Through-Hole Mounting: The TO220-5 package facilitates easy integration into printed circuit boards, ensuring mechanical stability and ease of assembly.

FAN1581T15 Applications

The FAN1581T15 is ideal for a variety of power management applications, particularly those requiring a stable and efficient power supply. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make this regulator suitable for applications where battery life is critical, such as portable electronics and handheld devices.
• Industrial Control Systems: The wide operating temperature range and robust protection features ensure reliable operation in industrial environments, making it ideal for control systems and instrumentation.
• Telecommunications: The high output current and stable voltage output make the FAN1581T15 suitable for powering communication modules and other electronic components in telecommunication systems.
• Consumer Electronics: The device can be used in a variety of consumer electronics applications, such as power supplies for audio equipment, gaming consoles, and other devices requiring stable power delivery.

Conclusion of FAN1581T15

The FAN1581T15 is a versatile linear regulator IC that offers a unique combination of features tailored for efficient power management. Its fixed 1.5V output voltage and ability to deliver up to 5A of current make it suitable for a wide range of applications, from battery-operated devices to industrial control systems. The low dropout voltage and low quiescent current further enhance its efficiency, while overcurrent and overtemperature protection ensure reliable operation. Despite being marked as obsolete, the FAN1581T15 remains a reliable and efficient choice for specific applications where its unique features provide significant advantages.