ON Semiconductor FAN2509S285X: High-Performance Low-Dropout Voltage Regulator

The FAN2509S285X from ON Semiconductor is a highly reliable low-dropout voltage regulator designed to deliver a fixed output voltage of 2.85V with an impressive accuracy of ±2.5%. This component is part of ON Semiconductor's extensive range of power management solutions, tailored to meet the rigorous standards of today's electronic devices.

With its ability to supply up to 150mA of output current, the FAN2509S285X is an excellent choice for portable applications where extended battery life is paramount. This voltage regulator boasts a low dropout voltage of typically 120mV at 150mA load, which significantly enhances the efficiency of the system by allowing operations closer to the battery voltage. This feature is particularly beneficial for single-cell, battery-powered equipment where maximum utilization of the available power is necessary.

The FAN2509S285X incorporates several key features that ensure the stability and protection of the user's application. It includes an over-temperature shutdown and current limit to safeguard the device and the load from adverse conditions. Additionally, the regulator's low quiescent current, which is typically 50μA, reduces the overall power consumption when the device is in idle mode, further contributing to the conservation of battery life.

This voltage regulator is available in a compact SOT-23-5 package, making it an ideal solution for space-constrained applications. The small footprint of the FAN2509S285X does not compromise its performance, as it still delivers a noise-reduced and clean voltage, which is critical for RF and precision analog circuits.

ON Semiconductor's FAN2509S285X is designed for a wide range of applications, including cellular phones, PDAs, digital cameras, microcontrollers, and other portable electronic devices. Its combination of low dropout performance, high output accuracy, and power-saving features makes it a versatile and essential component in any power-sensitive design.

Engineers and designers seeking a reliable and efficient power management solution will find the FAN2509S285X to be an exceptional choice that meets the stringent requirements of modern electronics while providing a robust and energy-efficient operation.