MIC5219-2.8YM5-TR: A Precision 2.8V, 150mA Low-Dropout Linear Regulator for Demanding Applications

In the realm of power management, stability and efficiency are paramount. The MIC5219-2.8YM5-TR stands out as a highly reliable 2.8V, 150mA low-dropout (LDO) linear voltage regulator engineered to deliver exceptional performance in space-constrained and power-sensitive designs. This regulator is specifically tailored to provide a fixed, precise output voltage, making it an ideal choice for powering microcontrollers, sensors, and other critical circuitry where noise and ripple are unacceptable.

A key advantage of the MIC5219-2.8YM5-TR is its remarkably low dropout voltage. With a dropout of just 175mV at 50mA and 350mV at the full 150mA load, it can maintain a stable 2.8V output even as the input voltage approaches the output level. This feature is invaluable in battery-powered applications, such as portable medical devices, handheld instruments, and IoT modules, where it maximizes battery life by allowing the system to operate until the battery is nearly depleted.

Beyond its dropout performance, this LDO excels in providing a clean, stable output. It features very low noise output and high power supply ripple rejection (PSRR), which are critical for noise-sensitive analog and RF circuits. The device requires only a small 1µF ceramic capacitor on the output for stability, simplifying board design and reducing both component count and overall solution size. Its SOT-23-5 package is perfect for applications where PCB real estate is at a premium.

The MIC5219-2.8YM5-TR also incorporates robust protection features, including current limiting and thermal shutdown, safeguarding both the regulator and the downstream load under fault conditions. Its low ground current remains stable over the entire load range, further enhancing its efficiency profile.

ICGOOODFIND: The MIC5219-2.8YM5-TR is a superior solution for designers seeking a compact, efficient, and ultra-reliable voltage regulator. Its combination of low dropout voltage, excellent line and load regulation, and minimal external component requirement makes it an excellent choice for extending battery runtime and ensuring system reliability in a wide array of modern electronic products.

Keywords:

Low-Dropout (LDO) Regulator

Low Noise Output

Battery-Powered Applications

Thermal Shutdown Protection

SOT-23-5 Package