The Monolithic Power Systems Inc. MP3421GG-P is a DC-DC switching regulator that is part of the MP3421 series. It has an adjustable output type and a boost topology. The MP3421GG-P has a maximum output voltage of 5.5V and a minimum/fixed output voltage of 2.5V. It has a synchronous rectifier and a frequency switching of 600kHz. This regulator has a current output of 5.5A and a positive output configuration. The input voltage range is between 1.9V and 5.5V. The MP3421GG-P is packaged in a 14-QFN (2x2) package and has a standard package quantity of 500. It is RoHS compliant and is unaffected by REACH. It has an MSL level of 1, which means that it has an unlimited floor life at <30&#176;C/85% RH.