T he 40N05 is the high cell density trenched N-ch MOSFETs, which provide excellent RDSON and gate charge for most of the synchronous buck converter applications. T he 40N05 meet the RoHS and Green Product BVDSS RDSON ID 40V 19mΩ 7AT he 40N05 is the high cell density trenched N-ch MOSFETs, which provide excellent RDSON and gate charge for most of the synchronous buck converter applications.