The HT78L05ARZ, manufactured by HTCSEMI, is a linear voltage regulator (LDO) in an SO-8 surface mount package. It is designed for use in low-voltage system applications, providing a stable, low-noise power supply from low- current input sources. It features a wide input voltage range of 2.5V to 12V and a maximum output current of 200mA. It is RoHS compliant, making it an ideal choice for applications that require an environmentally friendly design. The device utilizes precision voltage references and advanced circuit design techniques to ensure maximum performance. Other features include low quiescent current, low dropout voltage, and high power supply rejection ratio.