STMICROELECTRONICS LD3985 SERIES handbook

The LD3985 is a low-power three-terminal regulator with an input voltage range of 2.5V to 6V and an output voltage range of 1.2V to 5V. It features ultra-low dropout voltage, low quiescent current, low noise, logic-controlled electronic shutdown, internal current and thermal limiting, and is suitable for low-power applications and battery-powered systems.