The AT6211C25SEG-N is a SOT-23-5 Linear Voltage Regulator (LDO) manufactured by Agertech. This device is a three-terminal, adjustable, low-dropout (LDO) regulator with an input voltage range of 4.75V to 21V and an output voltage adjustable from 0.8V to 25V. It has tight line and load regulation, current limit with foldback protection, and thermal shutdown protection. It features a logic-controlled EN input to enable or disable the output. It is RoHS compliant, making it an ideal choice for use in RoHS compliant products.