Microchip MIC5239-3.3YS 500mA Low Dropout Voltage Regulator 30V SOT-223 4-Pin MIC5239-3.3YS

Microchip MIC5239-3.3YS is a 500mA low dropout (LDO) voltage regulator designed for precise voltage management in electronic circuits. Encapsulated in a SOT-223 4-pin surface mount package, it provides highly efficient and reliable voltage regulation for devices requiring 3.3V output. The device supports a maximum input voltage of 30V and operates effectively from a minimum input of 2.3V. Its advanced low quiescent current of 23μA helps minimize power dissipation, ideal for battery-powered and power-sensitive applications.

This voltage regulator is engineered to withstand operating temperatures up to 125°C, making it suitable for a wide range of environmental conditions. Its compact size with dimensions 6.5mm in length, 3.5mm width, and 1.6mm height supports high-density PCB layouts. The MIC5239 series is often selected for industrial, automotive, communications, and consumer electronics requiring tight voltage regulation within compact form factors.

The device’s positive polarity and surface mount design facilitate easy installation on modern PCBs. The low dropout feature ensures stable output voltage even when the input voltage is close to the regulator output voltage, increasing efficiency in power supply design. This regulator suits applications including portable instrumentation, control systems, and general-purpose voltage regulation in embedded systems.

Maximum input voltage of 30V for wide input source compatibility. Low quiescent current of 23μA to maximize battery life. SOT-223 surface mount package with compact dimensions for space-saving design. Operating temperature tolerance up to 125°C for harsh environment use.

4-pin configuration facilitating straightforward PCB integration. Stable regulation in low dropout scenarios for efficient power management. Positive polarity operation suitable for standard power rails.

Microchip’s MIC5239-3.3YS Voltage Regulator is a dependable component in power management IC catalogues, supporting designs across electronic, industrial, and automotive sectors. It integrates well within modern power supply circuits delivering consistent performance. Explore EnvMart’s Electronics & Electricals category for more power management solutions and semiconductor components from trusted brands like Microchip.