The PJ78L06SQ is a SOT-89 RoHS-compliant Linear Voltage Regulator manufactured by Pingjingsemi. This regulator offers an output current range of 0.1A to 1A and is capable of providing an output voltage of up to 6V. It utilizes an internal power transistor for output drive, and features a very low dropout voltage, making it ideal for use in low voltage and/or low dropout applications. The PJ78L06SQ also offers numerous protection features, including over temperature, current limiting, and short circuit protection.