MIC5283YME-TR: A High-Performance 500mA Low-Dropout Linear Regulator with Precision Enable Control

The MIC5283YME-TR is a robust 500mA low-dropout (LDO) linear regulator designed to deliver clean, stable power in a wide array of applications. Its key advantage lies in its ability to maintain regulation with an exceptionally low voltage differential between its input and output, making it exceptionally efficient for powering modern low-voltage digital cores, RF circuits, and sensitive analog components where noise and power dissipation are critical concerns.

A standout feature of this regulator is its integrated enable control circuit. This active-high enable (EN) pin allows for external on/off control of the regulator, facilitating sophisticated power management sequencing and significantly reducing standby current to a mere 1µA (max) when shut down. This capability is indispensable for battery-powered devices, enabling designers to implement power-saving modes that drastically extend operational life.

The device is engineered for maximum reliability and ease of use. It requires only a small 1.0µF ceramic capacitor on the output for stability, saving valuable board space and cost. It also incorporates crucial protection features such as internal current limiting and thermal shutdown, which safeguard both the regulator and the load under fault conditions. With a low dropout voltage of typically 190mV at full 500mA load, it excels in scenarios where the input voltage is only marginally higher than the output, preserving energy and minimizing heat generation.

Housed in a space-efficient MSOP-8 package, the MIC5283YME-TR offers a compact footprint without compromising performance. It is available in a range of fixed output voltages, providing designers with flexibility for various system requirements.

ICGOOODFIND: The MIC5283YME-TR is an ideal solution for designers seeking a compact, high-current, and feature-rich LDO. Its combination of low dropout voltage, ultra-low shutdown current, and robust protection features makes it a superior choice for power-sensitive portable electronics, networking equipment, and post-regulation for switching power supplies.

Keywords: Low-Dropout (LDO) Regulator, Enable Circuit, 500mA, Thermal Shutdown, Power Management