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High-efficiency super-junction MOSFETs provide increased power density

Technology Cover
Post Date: 2019-05-26, STMicroelectronics

STMicroelectronics's MDmesh M6 series super-junction transistors created for high efficiency in medium-power resonant and hard-switching converter topologies, the MDmesh M6 series MOSFETs enable increased power density in equipment such as battery chargers, PC power supplies, LED drivers, power adapters, telecom and server power supplies, and solar micro-inverters.

The MOSFETs provide high-efficiency performance for increased power density. The series enables gate charges as low as 18nC, with an optimised capacitance profile to target high efficiency on new topologies in power conversion applications. The company's M6 super-junction technology helps reduce RDS(ON) to as little as 0.036Ohms, allowing further efficiency gains.

Providing current ratings from 8A to 72A and breakdown voltages ranging from 600V to 700V, the MOSFETs’ threshold voltage is optimised for soft switching, making them perfect for LLC resonant converters and boost-PFC converters. The MOSFETs are offered in a broad range of packaging options, including a TO-LL package solution that allows efficient thermal management in a 30% smaller footprint compared to other packages.

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