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Superjunction MOSFETs suit PFC, PWM stages

Posted: 23 Sep 2009     Print Version  Bookmark and Share

Keywords:superjunction device  MOSFET  power factor correction 


Infineon Technologies AG has announced a family of 600V CoolMOS C6 devices that are easy to design-in and are suited for various energy conversion applications such as power factor correction (PFC) or pulse width modulation (PWM) stages. Infineon calls the CoolMOS C6 devices modern superjunction devices that offer extremely low capacitive losses and very low area specific RDS(on) values, thus making power supplies more efficient and compact, lighter and cooler. At the same time, the control of the switching behaviour and the robustness against parasitic inductances and capacitances in the board are significantly improved.

Infineon's latest CoolMOS generation meets efficiency requirements and government regulations and enables it's customer to choose from a broad portfolio which ranges from 36mΩ to 3.3Ω.

The 600V CoolMOS C6 devices also feature low area specific on-state resistance (Ron* A); low energy storage in output capacitance (Eoss); high body diode ruggedness; and low reverse recovery charge (Qrr).

They offer easy control of switching behaviour; better light load efficiency compared to C3; proven CoolMOS quality combined with high body diode ruggedness guarantee outstanding reliability; and lower price compared to previous CoolMOS generations.

In addition, they are well-suited for PFC and PWM stages for server and PC silverbox; in LCD and PDP TV; lighting; and adapters.

Get related application notes and technical articles on Power Design India.

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