40V OptiMOS MOSFET family is optimized for synchronous rectification

40V OptiMOS MOSFET family is optimized for synchronous rectification

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Based on Infineon’s thin wafer technology, a family of 40V MOSFETs are claimed to enable “significant performance benefits” and will cover a wide voltage range.

The OptiMOS 6 family has been optimized for synchronous rectification in switch mode power supplies (SMPS) for servers, desktop PCs, wireless chargers, quick chargers and ORing circuits.

They deliver a 30 per cent reduced on state resistance and improved figure of merits (Q g x R DS(on) down by 29 per cent and Q gd x R DS(on) down by 46 per cent) to meet efficiency in SMPS applications over a wide range of output power, avoiding the trade-off between low and high load conditions, says Infineon.

The efficiency curve clearly shows that OptiMOS 6 outperforms previous generation products at low output power levels due to its superior switching performance. This can be maintained at even higher output levels despite the dominance of R DS(on) losses. As a result, developers profit from easier thermal designs and less paralleling efforts leading to lower system cost.

Two packages are available:

  • The SuperSO8 measure 5.0 x 6.0mm, with R DS(on) ranging from 5.9 to 0.7 mOhm.
  • The PQFN option measure 3.0 x 3.0, 3.3 x 3.3mm and has R DS(on) ranging from 6.3 to 1.8 mOhm.

More information is available at www.infineon.com/optimos6

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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