The LM1085T-3.3 Low Dropout Regulators (LDO) TO-220-3 RoHS is a device manufactured by HGSEMI that regulates a voltage. It is a three-terminal adjustable voltage regulator that offers an input voltage range of 1.8V to 20V and an output voltage of 3.3V with 1.5A maximum output current. The device requires only 1.5V of input headroom for full regulation and has a dropout voltage of 0.4V at 1A output current for better system performance. It features thermal shutdown and current limit protection for enhanced system reliability. This device is suitable for use in various applications such as notebook computers, PDAs, cellular phones, video game systems, disk drives, and other applications that require a regulated supply.