SF1585LGT with Switching Controllers SOT26 RoHS is a surface-mount switching controller manufactured by Sifirst. This electronic part is designed to provide a fixed frequency of operation with a wide input voltage range of 2.5V to 24V. It also features low quiescent current, wide operating temperature range from -40°C to +105°C, and integrated protection features such as soft start, input over-voltage protection, and output short-circuit protection. It is compliant with the RoHS directive which restricts the use of hazardous substances in electric and electronic equipment.