FAN1581M12

FAN1581M12 Application Field and Working Principle

FAN1581M12 is a linear PMIC voltage regulator made by FANETICS INC. This IC is an advanced linear regulator with improved transient response and minimized output noise using an on-chip error amplifier gain. The FAN1581M12 is designed to provide adjustable output voltage with 5V to 24V IN, and output current range up to 800mA. It is housed in a SOT-26 or DFN footprint package and provides high power dissipation capability.

Application Field

The FAN1581M12 can be applied to many industries, such as telecommunications, industrial, consumer electronics, and computing. Its features make it well-suited for memory and mixed-signal voltage conversion as well as medium to high power applications. Additionally, the FAN1581M12 can be used as a synchronous buck converter by adding an external MOSFET.

Features and Benefits

FAN1581M12 is a high-performance regulator featuring fixed output voltage and adjustable minimal output current. It is designed to achieve the best transient response with an on-chip error amplifier providing maximum loop gain. The Quad Load Step Circuitry helps minimize output noise, which makes FAN1581M12 suitable for low and high output voltage applications. Additionally, the regulator is protected against over-temperature, over-voltage, over-current, and under-voltage conditions. The FAN1581M12 includes features such as Shutdown Mode (Auto/Manual) to maximize power efficiency.

Working Principle

The FAN1581M12 works as an adjustable voltage regulator by comparing the input voltage with the feedback voltage to modify its output voltage. When the output voltage is lower than the feedback voltage, the error amplifier forces the output transistor to increase the current, which in turn increases the output voltage. And when the output voltage is higher than the feedback voltage, the error amplifier forces the output transistor to reduce the current, thus reducing the output voltage.

Conclusion

The FAN1581M12 from FANETICS is a linear PMIC voltage regulator with adjustable output current and fixed output voltage, designed for use in medium to high power applications. It is a high-performance voltage regulator with improved transient response and minimized output noise. The regulator is flexible and easily applied to many industries to provide adjustable output voltage with 5V to 24V IN and output current up to 800mA.