Electronics Co. LtdThe 78L09U 78L09 is a Linear Voltage Regulator (LDO) ROHS manufactured by Hong Kong Chuangji Electronics Co. Ltd. It is a three-pin SOT-89 package device with a 3.3V output voltage and 800 mA current-limiting capability, making it suitable for use in a wide range of portable electronics applications. It features low quiescent current, low-dropout voltage, and temperature-compensated regulation, allowing it to maintain a reliable and stable output voltage. This makes it a great choice for powering devices with sensitive components. It also includes a wide range of protection features, such as overvoltage, over-current, short-circuit, and reverse polarity protection, ensuring the safety of your circuitry.