IRF7821PBF Datasheet Power MOSFET

Manufacturer: International Rectifier (now Infineon)

Overview: PD - 95213A IRF7821PbF HEXFET® Power MOSFET Applications l High Frequency Point-of-Load Synchronous Buck Converter for Applications in Networking & Computing Systems.

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IRF7821PBF power mosfet by International Rectifier (now Infineon) - Datasheet Preview

Datasheet Details

Part number	IRF7821PBF
Manufacturer	International Rectifier (now Infineon)
File Size	308.80 KB
Description	Power MOSFET
Download	IRF7821PBF Download (PDF)

Key Features

light load the MOSFET must still be turned on and off by the control IC so the gate drive losses become much more significant. Secondly, the output charge Qoss and reverse recovery charge Qrr both generate losses that are transfered to Q1 and increase the dissipation in that device. Thirdly, gate charge will impact the MOSFETs’ susceptibility to Cdv/dt turn on. The drain of Q2 is connected to the switching node of the converter and therefore sees transitions between ground and Vin. As Q1 turns o.

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