Infineon Technologies recently launched the OptiMOS Linear FET series. This new product family combines the state-of-the-art on-state resistance (RDS(on)) of a trench MOSFET with the wide safe operating area of a planar MOSFET. This solves the trade-off between RDS(on) and linear mode capability.
The OptiMOS Linear FET can operate in the saturation region of an enhanced mode MOSFET. It is an ideal fit for hot-swap, e-fuse, and protection applications commonly found in telecom and battery management systems (BMS). Both the rugged linear mode operation and the higher pulse current contribute to low conduction losses, faster startup and shorter down time. The part prevents damage at the load if there is a short circuit, by limiting high in-rush currents.
The OptiMOS Linear FET is available now in three voltage classes: 100 V, 150 V and 200 V. They can be supplied in either a D²PAK or D²PAK 7-pin package. These industry standard packages offer a compatible footprint for drop-in replacement.
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