Microchip Technology

MIC5209-5.0BU  

Linear & Switching Voltage Regulators

MIC5209-5.0BU Description

The MIC5209-5.0BU is a fixed-output linear regulator designed by Microchip Technology, offering a robust and efficient solution for power management applications. This single regulator IC provides a stable 5V output with a maximum current capacity of 500mA, making it suitable for a wide range of electronic devices. The regulator is designed to operate within an input voltage range up to 16V, ensuring compatibility with various power sources. With a dropout voltage of only 0.6V at full load, the MIC5209-5.0BU ensures high efficiency even under low input voltage conditions.

MIC5209-5.0BU Features

The MIC5209-5.0BU features a comprehensive set of protection mechanisms, including over-current, over-temperature, and reverse polarity protection, ensuring reliable operation and safeguarding against potential faults. The regulator also includes an enable control feature, allowing users to turn the regulator on or off as needed, which is particularly useful for power-saving applications. The low quiescent current of 170 µA and a maximum supply current of 25 mA contribute to the overall efficiency and energy savings. Additionally, the regulator boasts a high power supply rejection ratio (PSRR) of 75dB at 120Hz, minimizing the impact of input voltage variations on the output.

MIC5209-5.0BU Applications

The MIC5209-5.0BU is ideal for applications requiring a stable 5V supply with moderate current demands. Its compact surface-mount TO263-5 package makes it suitable for space-constrained designs, such as portable electronics, consumer devices, and embedded systems. The regulator's low dropout voltage and high PSRR make it particularly well-suited for applications where input voltage fluctuations are common, such as battery-powered devices or systems with variable input power sources. The enable feature allows for dynamic power management, making it a preferred choice for systems that require power-saving modes or need to be powered off remotely.

Conclusion of MIC5209-5.0BU

The MIC5209-5.0BU from Microchip Technology is a versatile and reliable linear regulator that offers a fixed 5V output with a maximum current of 500mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for a variety of applications, especially those requiring stable power supply and efficient power management. Despite its obsolete status, the MIC5209-5.0BU remains a valuable component for existing designs and can be a reliable option for new projects where its specific features are required.

MIC5209-5.0BU Documents

Download datasheets and manufacturer documentation for MIC5209-5.0BU