100 V, 140 A N-channel in a 8-PowerWDFN
The 72 nC total gate charge at 10 V sets the gate-drive power requirement; at a 100 kHz switching frequency the driver must supply about 7.2 mA average current just to charge and discharge the gate capacitance.
Thermal and switching headroom
Maximum power dissipation is 3 W with the device on a standard PCB at 25°C ambient, but rises to 167 W when the case is held at 25°C — the actual dissipation depends entirely on the thermal interface to the heatsink or PCB copper plane. Input capacitance is 5300 pF at 50 V drain-source; this capacitance must be charged and discharged each switching cycle, contributing to the driver's dynamic current demand and the switching losses in hard-switched topologies.
Package and footprint considerations
The 0.50 mm pitch pads demand careful solder-paste stencil design to avoid bridging.
Sourcing and lifecycle
The OptiMOS™ 5 family includes multiple voltage and Rds(on) variants in the same PG-WSON-8-2 footprint, allowing a pin-compatible upgrade path if the current rating or on-resistance requirement changes during the design cycle.