The RH6618 is an LED driver SOP8 RoHS manufactured by Ronghe. It is a low voltage, high efficiency, single-output buck DC-DC converter with built-in LED drivers. This device has an operating input voltage range of 2.5V to 5.5V and an output voltage range of 0.7V to 5V. It has a typical efficiency of up to 98%, with a maximum output current of 500mA. The device is RoHS compliant and is available in an 8-pin SOP package with extended temperature range of -40°C to +85°C. It provides over temperature and short circuit protection for safe and reliable operation.