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150-V N-channel power MOSFET offers on-resistance down to 18-mohms for DC/DC applications

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By eeNews Europe

The Vishay Siliconix SiR872ADP offers low on-resistance of 18 mΩ at 10 V and 23 mΩ at 7.5 V while maintaining low gate charge of 31 nC typical at 10 V and 22.8 nC typical at 7.5 V.

The device is optimized for primary-side switching and secondary-side synchronous rectification in DC/DC converters, DC/AC inverters, and boost converters for telecom bricks, solar micro-inverters, and brushless DC motors. In these applications, the SiR872ADP offers 45% lower on-resistance than previous-generation devices to reduce conduction losses and improve total system efficiency.

The SiR872ADP provides a low on-resistance times gate charge – a key figure of merit (FOM) for MOSFETs in DC/DC converter applications – of 563 mΩ-nC at 10 V and 524 mΩ-nC at 7.5 V. The device’s FOM reduces conduction and switching losses to improve total system efficiency. By providing higher performance than multiple previous-generation devices, the MOSFET can potentially reduce overall component count and simplify designs.

The SiR872ADP is 100 % Rg- and UIS-tested, halogen-free according to the JEDEC JS709A definition, and compliant to RoHS Directive 2011/65/EU. The device joins the recently released 100 V SiR846ADP and SiR870ADP and 80 V SiR826ADP ThunderFET MOSFETs, offering designers a variety of medium-voltage options in the PowerPAK SO-8 package. Vishay addresses the needs of all power conversion applications through its ThunderFET, TrenchFET Gen IV, and E/D Series MOSFETs.

Availability

Samples and production quantities of the new MOSFET are available now, with lead times of 13 to 14 weeks for large orders.

More information about the SiR872ADP power MOSFET at
www.vishay.com/doc?63979


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