Co., LtdThe SCJA1117B-3.3-A is a linear voltage regulator (LDO) manufactured by Changjing Electronics Technology Co., Ltd with a SOT-89-3L package that is RoHS compliant. It is a low-dropout three-terminal regulator designed to provide a regulated voltage source from input voltages that are higher than, equal to, or slightly lower than the output voltage. The SCJA1117B-3.3-A features a wide input voltage range of up to 42V, a low quiescent current of only 5mA, a low dropout voltage of 350mV, high ripple rejection of 70dB, high output current of 800mA, and excellent thermal performance. It is suitable for use in various applications such as mobile phones, PDAs, PLLs, and portable electronics.