The LM2576T-3.3 DC-DC Converter is a step-down Step-Down, Fixed Output Voltage DC-DC Converter manufactured by HGSEMI. It has 16V to 40V input voltage range and a 3.3V, 3A output voltage. It has a TO-220-5 package and is RoHS compliant. The LM2576T-3.3 DC-DC Converter offers a wide input voltage range and fixed output voltage which makes it ideal for applications such as step-down voltage regulation, battery charger circuits, DC/DC conversion, and industrial supplies. It has a high efficiency of up to 90%, very low noise, and is protected against short circuits, over current, and over voltage.