Infineon has introduced the new OptiMOS 40V and 60V power MOSFET families. These devices are optimized for synchronous rectification in Switched Mode Power Supplies such as those deployed in servers and desktop PCs. In addition, they are a perfect choice for a broad range of industrial applications like motor control, solar micro inverter and fast switching DC/DC converter.
Implemented on Infineon’s advanced thin wafer technology, the new OptiMOS 40V and 60V families offer 35 percent lower R DS(on) and lower gate charge reducing the Figure of Merit (R DS(on) x Q g) by 45 percent when compared to alternative devices. This allows power loss reduction of ten percent when the devices are used in the secondary side rectification of a server power supply. A monolithically integrated Schottky-like diode in the 1mΩ and 1.4mΩ 40V SuperSO8 devices reduces the reverse recovery charge (Q rr) in synchronous rectification applications. This leads to lower conduction losses and higher efficiency. Furthermore, significant reduction of the voltage overshoot reduces the need for snubber circuitry, saving engineering cost and effort.
The new OptiMOS 40V devices in SuperSO8 and S3O8 (3x3mm) packages are available in R DS(on) ranges from 1.0mΩ to 2.3mΩ. The new OptiMOS 60V devices in SuperSO8 packages are available in R DS(on) classes of 1.6mΩ and 2.8mΩ. Additional devices are available in TO-220, S3O8, I²PAK, D²PAK and DPAK packages.
