Fairchild (onsemi) Tariff Inquiry

FAN1581D25X

FAN1581D25X Description

The FAN1581D25X is a linear voltage regulator designed by Fairchild Semiconductor, now part of onsemi, offering a fixed output voltage of 2.5V and a maximum output current of 5A. This regulator is housed in a TO252-5 package, making it suitable for surface-mount applications. Despite its obsolete status, the FAN1581D25X remains a viable option for applications requiring a robust and reliable power solution within a specific operating temperature range of 0°C to 125°C.

FAN1581D25X Features

• Operating Temperature Range: 0°C to 125°C, ensuring reliable performance in a wide range of environmental conditions.
• Low Quiescent Current: Only 6 mA, which minimizes power consumption in standby mode.
• High PSRR: 80dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Fixed Output Voltage: 2.5V, ideal for applications requiring a stable and precise power supply.
• Maximum Input Voltage: 7V, allowing for a variety of input power sources.
• High Output Current: Capable of delivering up to 5A, making it suitable for high-current applications.
• Single Regulator: Simplifies design and reduces component count.
• Protection Features: Over-current and over-temperature protection ensures safe operation and prolongs the life of the device.
• Positive Output Configuration: Suitable for applications requiring a positive voltage supply.
• Surface Mount: TO252-5 package, ideal for compact and space-constrained designs.
• Compliance: ROHS3 compliant, ensuring environmental friendliness and regulatory adherence.

FAN1581D25X Applications

The FAN1581D25X is well-suited for a variety of applications where a stable and reliable power supply is critical. Its high output current and fixed voltage make it ideal for:

• Power Supply Modules: Providing a stable 2.5V supply for microcontrollers, sensors, and other low-voltage electronics.
• Industrial Equipment: Ensuring reliable power in industrial settings where environmental conditions can vary.
• Telecommunications: Powering critical components in telecom infrastructure that require a stable and precise voltage.
• Consumer Electronics: Suitable for devices that need a high-current, low-voltage supply, such as portable chargers and battery packs.
• Automotive: Ideal for applications within vehicles that require a stable power source, such as infotainment systems and electronic control units.

Conclusion of FAN1581D25X

The FAN1581D25X is a robust and reliable linear voltage regulator that offers a fixed 2.5V output with a maximum current of 5A. Its low quiescent current and high PSRR make it an excellent choice for applications requiring efficient power management and noise reduction. The device's over-current and over-temperature protection features ensure safe operation, while its surface-mount packaging makes it suitable for compact designs. Although marked as obsolete, the FAN1581D25X remains a valuable component for engineers seeking a dependable power solution in various industrial and consumer applications.