The LM1117S-1.8 Low Dropout Regulators (LDO) Positive Fixed 12V 1.8V 1A SOT-223 RoHS manufactured by HTC Korea is a low-dropout (LDO) linear voltage regulator IC from Texas Instruments. It is an LDO of the fixed-output voltage type and requires a minimum output current of 1A. It has a wide input voltage range of 10V to 15V and an ultra-low output voltage of 1.8V. It is housed in an SMD package (SOT-223) for surface mount technology and features over-current protection, temperature protection, and over-voltage protection. It is a RoHS (Restriction of Hazardous substances) compliant device, making it safe for use in various environments.