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FAN1582DX

FAN1582DX Description

The FAN1582DX is a high-performance linear voltage regulator designed by Fairchild Semiconductor (now part of ON Semiconductor). This IC offers adjustable output voltage capabilities, making it highly versatile for a wide range of applications. With a maximum input voltage of 7V and an output current capacity of up to 3A, the FAN1582DX is well-suited for demanding power supply requirements. The regulator features a low quiescent current of 6 mA, ensuring efficient power consumption even under light load conditions. Its output voltage range is adjustable from 1.25V to 5.7V, providing flexibility in various electronic designs. The device also boasts a high power supply rejection ratio (PSRR) of 80dB at 120Hz, which significantly reduces noise and ripple in the output voltage. The FAN1582DX is housed in a TO-252 package, which is ideal for surface-mount applications, and it includes essential protection features such as over-current and over-temperature protection to ensure reliable operation. Despite its obsolete status, the FAN1582DX remains a valuable component for specific legacy systems and applications where its unique features are still required.

FAN1582DX Features

• Adjustable Output Voltage: The FAN1582DX offers an adjustable output voltage range from 1.25V to 5.7V, providing flexibility to meet diverse power supply needs.
• High Output Current: Capable of delivering up to 3A of output current, this regulator is suitable for applications requiring high power delivery.
• Low Dropout Voltage: With a maximum dropout voltage of 1.18V at 3A, the FAN1582DX ensures efficient operation even at low input-to-output voltage differentials.
• Low Quiescent Current: The device consumes only 6 mA of quiescent current, making it energy-efficient and suitable for battery-powered and low-power applications.
• High PSRR: A power supply rejection ratio of 80dB at 120Hz effectively minimizes noise and ripple in the output voltage, ensuring clean power supply to sensitive circuits.
• Protection Features: Over-current and over-temperature protection features safeguard the regulator and connected circuits from potential damage.
• Surface-Mount Package: The TO-252 package is designed for surface-mount technology, facilitating easy integration into modern PCB designs.
• ROHS3 Compliant: The FAN1582DX meets the stringent ROHS3 compliance standards, ensuring environmental sustainability and regulatory adherence.

FAN1582DX Applications

The FAN1582DX is ideal for a variety of applications where adjustable output voltage and high current delivery are critical. Its adjustable output range and high PSRR make it suitable for precision power supplies in laboratory and industrial settings. The regulator's low dropout voltage and low quiescent current are beneficial for portable devices and battery-powered systems that require efficient power management. Additionally, its surface-mount package and protection features make it a reliable choice for automotive electronics, telecommunications equipment, and consumer electronics where space constraints and reliability are paramount. The FAN1582DX is particularly well-suited for applications that demand a balance of high performance, flexibility, and robustness.

Conclusion of FAN1582DX

The FAN1582DX, despite being marked as obsolete, remains a robust and versatile linear voltage regulator with unique features that set it apart from similar models. Its adjustable output voltage, high output current capability, and low dropout voltage make it an excellent choice for applications requiring precise and efficient power management. The inclusion of over-current and over-temperature protection ensures reliable operation, while its surface-mount package and ROHS3 compliance cater to modern design requirements. For engineers and designers working with legacy systems or specific applications where these features are essential, the FAN1582DX continues to be a reliable and efficient solution.