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IRFU3709ZCPBF - HEXFET Power MOSFET

Download the IRFU3709ZCPBF datasheet PDF. This datasheet also includes the IRFR3709ZCPBF variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (IRFR3709ZCPBF_InternationalRectifier.pdf) that lists specifications for multiple related part numbers.

Overview

PD - 96046 IRFR3709ZCPbF IRFU3709ZCPbF Applications l High Frequency Synchronous Buck Converters for Computer Processor Power l High Frequency Isolated DC-DC Converters with Synchronous.

Key Features

  • ) ⎛ Qgd +⎜I × × Vin × ig ⎝ + (Qg × Vg × f ) + ⎛ Qoss × Vin × f ⎞ ⎝ 2 ⎠ ⎞ ⎞ ⎛ Qgs 2 f⎟ + ⎜ I × × Vin × f ⎟ ig ⎠ ⎝ ⎠ This simplified loss equation includes the terms Qgs2 and Qoss which are new to Power MOSFET data sheets. Qgs2 is a sub element of traditional gate-source charge that is included in all MOSFET data sheets. The importance of splitting this gate-source charge into two sub elements, Qgs1 and Qgs2, can be seen from Fig 16. Qgs2 indicates the charge that must be supplied by the gate dr.

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