The XL4101E1 is a DC-DC Converter Step-Down Adjustable from XLSEMI. It is a TO-263-5 packaged device and is RoHS compliant. This device has an input voltage range of 4.5-40V, an output voltage of 1.235-37V, and an output current of 3A. It has very low Ripple & Noise, high efficiency, wide dynamic range, and excellent load and line regulation. This device also features soft-start, external shutdown, and short-circuit protection. It is suitable for various kinds of application, such as automotive, battery powered systems, and digital equipment.