800V CoolMOS P7 series claims benchmark efficiency & thermal performance

800V CoolMOS P7 series claims benchmark efficiency & thermal performance

New Products |
By Graham Prophet

The devices are primarily aimed at flyback topologies which are typically found in applications such as adapter, LED lighting, audio, industrial and auxiliary power. The 800V P7 offers up to 0.6% efficiency gain. This translates into 2 to 8°C lower MOSFET temperature compared to the CoolMOS C3 or to competitor parts tested in typical flyback applications. This benchmark results from a combination of optimized device parameters: including the reduction of more than 50 percent in EOSS and QG, as well as a reduced CISS and COSS. The further improved performance enables higher power density designs through lower switching losses and better DPAK RDS(on) products.


Ease-of-use of is an intrinsic feature designed into this product family, Infineon adds. The integrated Zener Diode significantly improves ESD ruggedness, thus reducing ESD related production yield losses. The MOSFET is easy to drive and to design-in due to its V(GS)th of 3 V and the smallest VGS(th) variation of ±0.5 V. This combination allows for lower driving voltage and lower switching losses. Additionally, it helps to avoid unintentional operation in the linear region.


The family of 800 V CoolMOS P7 MOSFETs will be available in twelve RDS(on) classes and in six packages to fully address the needs of target applications. Products with RDS(on) of 280 mΩ, 450 mΩ, 1400 mΩ and 4500 mΩ can be ordered now.





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