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IRF3709ZCSPBF Datasheet Hexfet Power MOSFET

Manufacturer: International Rectifier (now Infineon)

Overview: www.DataSheet4U.com PD - 95529 IRF3709ZCSPbF IRF3709ZCLPbF Applications l High Frequency Synchronous Buck Converters for Computer Processor Power l Lead-Free HEXFET® Power MOSFET VDSS RDS(on).

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • + (Qrr × Vin × f ) ⎠ ⎝ 2.
  • dissipated primarily in Q1. Ploss = (Irms × Rds(on ) ) 2 ⎛ ⎞ ⎛ Qgs 2 Qgd +⎜I× × Vin × f ⎟ + ⎜ I × × Vin × ig ig ⎝ ⎠ ⎝ + (Qg × Vg × f ) + ⎛ Qoss × Vin × f ⎞ ⎝ 2 ⎠ ⎞ f⎟ ⎠ 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,.

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