The LM1117S-3.3 is a low dropout (LDO) positive fixed 1.3V @ 1A 12V 3.3V Regulator manufactured by HTC Korea. This LDO regulator is designed with an input voltage of 1.3V. It has maximum output current of up to 1A and operates at a voltage range of 12V-3.3V. The LM1117S-3.3 is packaged in a SOT-223 form and is RoHS compliant. This device is designed for a wide variety of uses, including cellular phones, PDAs, and other portable equipment. With its low voltage applications, it provides consistent low power consumption and consumes only 250mV of dropout voltage to provide stable operation. Furthermore, it offers a wide operating temperature range and has a maximum junction temperature of 150°C ensuring long lifetime and high reliability.