Microchip MCP1711T-30I/OT: A Compact 300mA Low-Dropout Voltage Regulator for Modern Electronics

In the realm of power management, efficient and stable voltage regulation is critical for the performance and longevity of electronic devices. The Microchip MCP1711T-30I/OT stands out as a high-performance, fixed-output 300mA low-dropout (LDO) voltage regulator designed to meet the demands of compact, power-sensitive applications. With its ultra-low dropout voltage and minimal quiescent current, this LDO ensures optimal efficiency even in scenarios where input voltage is only marginally higher than the output.

The MCP1711T-30I/OT delivers a fixed 3.0V output with remarkable accuracy, making it ideal for powering microcontrollers, sensors, wireless modules, and other low-power components in battery-operated systems. Its dropout voltage of just 80mV (typical) at 300mA allows it to maintain regulation even as battery voltage decays, extending operational life. Additionally, the device features a low ground current of 20μA (typical), which minimizes power loss and enhances energy efficiency in always-on applications.

Housed in a space-saving SOT-23-5 package, this LDO is engineered for compact PCB layouts while providing robust performance across an input voltage range of 2.7V to 6.0V. Built-in protections such as current limit and thermal shutdown safeguard the regulator and downstream circuitry under fault conditions. The MCP1711T-30I/OT also offers excellent line and load transient response, ensuring stable output voltage despite fluctuations in input supply or load current.

ICGOODFIND: The Microchip MCP1711T-30I/OT is an exceptional choice for designers seeking a reliable, efficient, and compact LDO regulator for portable and low-power devices. Its combination of low dropout, low quiescent current, and integrated protection features makes it a versatile solution for modern electronic systems.

Keywords:

Low-Dropout Regulator, 300mA LDO, Low Quiescent Current, Thermal Shutdown, SOT-23 Package