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ST rolls out 60V power MOSFETs

Posted: 11 Sep 2015     Print Version  Bookmark and Share

Keywords:STMicroelectronics  MOSFET  DC/DC converter  solar micro-inverter 

STMicroelectronics has expanded its trench-based STripFET F7 series of low-voltage MOSFETs with the release of 60V devices to enable telecom, server and desktop-PC power supplies, as well as industrial power supplies and DC/DC converters in solar micro-inverters. The power MOSFETs claim to address tough energy-efficiency specifications and maximise power density.

STripFET F7 MOSFETs combine improved conduction efficiency and switching performance with a simplified trench-gate structure, which allows very low on-resistance, capacitance, and gate charge with a superior figure of merit (RDS(ON) x Qg). In addition, the intrinsic body diode has low recovery charge, which contributes to faster switching. High avalanche ruggedness ensures robust performance under harsh electrical conditions and the low ratio of reverse-transfer capacitance to input capacitance (Crss/Ciss) increases EMI immunity.


ST's 60V STripFET F7 MOSFETs are tailored for synchronous rectification and allow fewer parallel devices for the desired maximum current, which helps increase power density and lower the component count. The range comprises 12 part numbers, covering industry-standard power packages and maximum current from 90A to 260A (silicon-limited continuous drain current at Tc = 25°C). The packages supported are PowerFLAT 5x6, PowerFLAT 3.3x3.3, DPAK, D2PAK, TO-220, TO-220FP, and 2-lead or 6-lead H2PAK.

All devices are in mass production and available from $0.98 for the 90A STL90N6F7 in PowerFLAT 5x6 for orders of 1000 units.

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