600V power MOSFETs "approach perfect switching performance"

The 600V MDmesh M2 EP devices combine ST’s proven strip layout with an improved vertical structure and an optimised diffusion process to approach the ideal switch, with very low R_DS(ON) and the lowest available turn-off switching losses. They are tailored for very-high-frequency converters (over 150kHz), making them suitable for the most demanding PSU (Power Supply Unit) applications.

Suitable for both hard- and soft-switching topologies, including resonant topologies such as LLC, the devices offer extremely low switching losses, especially under light-load conditions.  In addition to the very low gate charge (Qg) exhibited by all MDmesh M2 devices, the M2 EP devices feature up to a 20% reduction in E_off  (turn-off energy), thus reducing by the same percentage the turn-off switching losses in hard-switching converters. This E_off reduction in the low current range boosts the efficiency under light-load conditions, where efficiency-certification rules are becoming increasingly demanding.

The enhanced shape of the turn-off waveforms leads to higher efficiency and lower noise in resonant converters, allowing more energy to be stored and re-used, rather than dissipated as heat, cycle by cycle.

Offered in a wide range of packages (PowerFLAT 5x6 HV, DPAK, D2PAK, TO-220, TO-220FP, I2PAKFP, and TO-247) the MDmesh M2 EP family targets power-supply applications that require the highest efficiency levels.  All devices are in full production, with pricing starting at $1.50 for the STD15N60M2-EP in a DPAK package for orders of 1000 pieces.