600V super-junction mosfets optimised for soft switching

600V super-junction mosfets optimised for soft switching

Edith 2018-12-13

STMicroelectronics’ MDmesh M6 600V super-junction transistors are aimed at medium-power resonant and hard-switching converter topologies.

STMicroelectronics’ MDmesh M6 600V.jpg

There are 37 part numbers covering 13 to 72A, with threshold voltage optimised for soft switching, suiting the transistors LLC resonant converters and boost-PFC converters.


Rds(on) to as low as 36mΩ.


For hard-switching topologies, the capacitance profile is claimed to enhance light-load efficiency, and gate charge is as low as 16nC for low loss when switching at high frequency.


Package options include “the space-saving and thermally efficient new leadless TO-LL”, according to ST, “The JEDEC-registered TO-LL power-package outline has 30% smaller footprint and 50% lower height than the established D²PAK 7pin. Low parasitic inductances helps minimise electromagnetic interference.”


For the less adventurous, standard DPAK, D2PAK, TO-220, TO-247, and PowerFLAT are also available.


Applications are expected in battery chargers, power adaptors, PC power supplies, LED-lighting drivers, telecoms, servers, and solar micro-inverters.


Source from:electronicsweekly

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