Power

Superjunction MOSFET designed for PFC and flyback topologies

23rd August 2018
Lanna Cooper

Higher density, low power SMPS designs require high voltage MOSFETs in a growing number. Infineon ushers a new member of its CoolMOS P7 family, the 950V CoolMOS P7 Superjunction MOSFET. It meets even the most rigorous design requirements: for lighting, smart meter, mobile charger, notebook adapter, AUX power supply and industrial SMPS applications. This semiconductor solution delivers thermal and efficiency performance with lower bill of materials and overall production costs.

The 950V CoolMOS P7 attributes include outstanding DPAK R DS(on) enabling higher density designs. In addition, the V GS(th) and lowest V GS(th) tolerance make the MOSFET easy to drive and design-in.

Similar to the other members of the P7 family from Infineon, this component comes with an integrated Zener diode ESD protection. This results in better assembling yields and thus less cost, and less ESD related production issues.

The 950V CoolMOS P7 enables up to 1% efficiency increase and from 2°C to 10°C lower MOSFET temperature for more efficient designs. This component offers also up to 58% lower switching losses compared to previous generations of the CoolMOS family. Compared to competing technologies in the market the improvement is more than 50%.

The 950V CoolMOS P7 comes in TO-220 FullPAK, TO-251 IPAK LL, TO-252 DPAK, and SOT-223 packaging. This makes it possible to change from THD to SMD device.

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