The WD1015EA-5/TR DC-DC Converter with Step-Down Adjustable 1 2.7V 5.5V 0.6V 5.5V 1.2A SOT-23-5L RoHS is an electronic component manufactured by Will Semiconductor. It is a step-down DC-DC converter, adjustable from 2.7V to 5.5V, with a maximum current of 1.2A. It is a small SOT-23-5L RoHS (Restriction of Hazardous Substances) package, designed for applications that require a reliable, low-cost power-management solution. Its wide output voltage range, low minimum output voltage, and adjustable current-limit feature make it an ideal choice for use in embedded systems, such as telecommunication equipment, industrial controllers, and consumer electronics.