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300V MOSFETs from Infineon target hard switching apps

Posted: 08 Jun 2015     Print Version  Bookmark and Share

Keywords:Infineon Technologies  MOSFET  UPS  power supplies 

Infineon Technologies has announced the OptiMOS 300V as the latest addition to its medium voltage MOSFETs. According to the company, the device is aimed at energy efficient solutions in applications such as telecom systems, uninterruptible power supplies (UPS), motor control, industrial power supplies and DC/AC inverters.

The company claimed that in hard switching applications such as AC/DC converters OptiMOS 300V cuts energy losses by 50 per cent. This allows for higher switching frequencies and, consequently, passive component and solution size reduction. OptiMOS 300V can provide voltage spike headroom for better reliability, safety and ease of design in a 60V telecom rectifier. The number of stages required in cascaded high voltage switch mode power supplies can also be reduced. A 110VAC UPS can now be realised with OptiMOS 300V.

OptiMOS 300V

"With 300V blocking capability, Infineon extends the benchmark OptiMOS technology into a, so far, non-mainstream voltage class to support evolving applications such as multilevel converters," said Richard Kuncic, VP & GM business line DC/DC at Infineon, adding, "...we expect this voltage class to become a new standard in the power MOSFET market."

Incorporating fast diode technology, OptiMOS 300V offers 70 per cent lower reverse recovery charge Qrr compared to the next best alternative device. This characteristic leads to smooth body diode behaviour and minimises voltage overshoot. OptiMOS 300V in the TO-220 package provides the industry's best RDS(on) with more than 58 per cent lower Figure of Merit (FOM: RDS(on) x QG) when compared to other available products, indicated the company.

OptiMOS 300V is available in two packages: D 2PAK with RDS(on) of 40.7mΩ and TO-220 with RDS(on) of 41mΩ.

- Graham Prophet
  EE Times Europe

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