The LM2594HVN-ADJ/NOPB is an adjustable 3A step-down switching regulator from the LM2594 family of parts sold by Texas Instruments. It is a pin-to-pin compatible upgrade for the older LM2596, with smaller size and improved efficiency. The LM2594HVN-ADJ/NOPB provides up to 3A output current, a wide input voltage range from 4.50V to 40V, adjustable output voltage from 0.8V to 37V and up to 97% power efficiency. It can be used in a variety of applications, including but not limited to motion control, telecommunications, distributed power systems, notebook and server applications, LED lighting, and point-of-load regulation.