The LM2575T-3.3 is a DC to DC Step-Down Switching Regulator manufactured by Huaguan. It is a fully integrated voltage regulator with an output voltage of 3.3V and is in the TO-220 package, meeting the EU requirements for the RoHS Directive 2002/95/EC. This part can provide up to 1.5 A of output current, and is suitable for use in a variety of different electronic applications such as lighting, computers, and communications. The LM2575T-3.3 can be easily integrated into a variety of systems due to its small size, high efficiency, and low cost. The regulation is accomplished by pulse width modulation, which can be adjusted with shutdown and enable pins. The LM2575T-3.3 is RoHS compliant, so it is a great choice for applications in consumer electronics and automotive, where environmental concerns are a priority.