The TPS53622ARSBT is a current-mode, spread-spectrum, Step Down DC/DC converter from Texas Instruments. It is designed to provide high efficiency and good transient performance with a small form factor. The device is based on an interleaved architecture and has an input voltage range of 4.5V to 28V, an output voltage range of 0.8V to 5.5V, and a maximum output current of 3A. The device also features an adjustable switching frequency of 200kHz to 1.7MHz and a minimum step down ratio of 2:1. The device has integrated loop compensation and includes additional features such as soft-start, rise/fall time control, power save/burst operation, over temperature protection, and over current protection. It is available in a 3mmx3mm, 18-pin VSSOP package and is RoHS compliant.