onsemi

FAN1117AS25X

FAN1117AS25X Description

The FAN1117AS25X is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 2.5V with a maximum input voltage of 18V. This regulator is capable of delivering a continuous output current of 1A, making it suitable for a variety of applications requiring stable power supply. The device is housed in a surface-mount SOT223-4 package, which is ideal for compact designs and efficient thermal management. The FAN1117AS25X operates within a wide temperature range of 0°C to 125°C, ensuring reliable performance in various environmental conditions.

FAN1117AS25X Features

• Fixed Output Voltage: The FAN1117AS25X provides a stable 2.5V output voltage, which is ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 18V, this regulator can handle a wide range of input voltages, making it versatile for different power sources.
• High Output Current: The regulator is designed to deliver a continuous output current of 1A, ensuring sufficient power for demanding applications.
• Low Dropout Voltage: The maximum dropout voltage of 1.2V at 1A ensures high efficiency, especially when operating close to the input voltage.
• Protection Features: The FAN1117AS25X includes over-current and over-temperature protection, safeguarding the device and connected circuits from potential damage.
• Surface-Mount Package: The SOT223-4 package allows for easy integration into compact designs while providing efficient thermal dissipation.
• Wide Operating Temperature Range: The regulator operates reliably from 0°C to 125°C, making it suitable for applications in various environments.
• PSRR Performance: The regulator offers a high power supply rejection ratio (PSRR) of 72dB at 120Hz, ensuring minimal noise and ripple in the output voltage.

FAN1117AS25X Applications

The FAN1117AS25X is well-suited for a range of applications where a stable and efficient power supply is essential. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive electronic components in devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Suitable for industrial control systems and instrumentation where reliable power supply and thermal management are critical.
• Automotive Applications: The wide operating temperature range and robust protection features make this regulator suitable for automotive electronic systems.
• Telecommunications: Can be used in base stations and other telecom equipment where a stable power supply is necessary for uninterrupted operation.

Conclusion of FAN1117AS25X

The FAN1117AS25X is a high-performance linear voltage regulator that offers a stable 2.5V output with a maximum input voltage of 18V and a continuous output current of 1A. Its low dropout voltage, high PSRR, and robust protection features make it a reliable choice for a variety of applications. The surface-mount SOT223-4 package ensures efficient thermal management and easy integration into compact designs. Despite being marked as obsolete, the FAN1117AS25X remains a viable option for applications requiring a stable and efficient power supply.