MALVERN, PA. Vishay Intertechnology Inc. has introduced a new 80-V TrenchFET Gen IV n-channel power MOSFET in the 6.15-mm by 5.15-mm PowerPAK SO-8 single package. Designed to save energy by increasing the efficiency of power-conversion topologies and switching circuitry, the Vishay Siliconix SiR680ADP offers on-resistance times gate charge—a key figure of merit (FOM) for MOSFETs used in power conversion applications—of 129 mΩ*nC.
The device combines on-resistance down to 2.35 mΩ typical at 10 V with ultralow gate charge of 55 nC and COSS of 614 pF. These specifications are fine-tuned to reduce the power losses from switching, channel conduction, and diode conduction, resulting in increased efficiency. The MOSFET's on-resistance times gate charge FOM is 12.2 % lower than the closest competing product and 22.5 % lower than the previous-generation device, making it the most efficient solution available for typical 48-V input to 12-V output DC/DC converters, the company reported.
The SiR680ADP will serve as a building block in a wide variety of DC/DC and AC/DC conversion applications such as synchronous rectification, primary-side switching, buck-boost converters, resonant tank switching converters, and the OR-ing function in systems such as telecom and data center server power supplies; solar micro-inverters; motor drive control in power tools and industrial equipment; and battery switching in battery management modules.
The MOSFET is 100% RG- and UIS-tested, RoHS-compliant, and halogen-free.
Samples and production quantities of the SiR680ADP are available now, with lead times of 12 weeks. Pricing for U.S. delivery in 10,000-piece quantities is approximately $0.75 per piece.
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