IRFW840A 데이터 시트보기 (PDF) - Fairchild Semiconductor

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IRFW840A

Advanced Power MOSFET

Fairchild Semiconductor 

IRFW/I840A

1&+$11(/

32:(5 026)(7

Fig 15. Peak Diode Recovery dv/dt Test Circuit & Waveforms

DUT

+

VDS

--

IS

L

VGS

Driver

RG

Same Type

as DUT

VDD

VGS

dv/dt controlled by RG

IS controlled by Duty Factor D

VGS

( Driver )

IS

( DUT )

VDS

( DUT )

Gate Pulse Width

D

=

--------------------------

Gate Pulse Period

10V

IFM , Body Diode Forward Current

di/dt

IRM

Body Diode Reverse Current

Body Diode Recovery dv/dt

Vf

VDD

Body Diode

Forward Voltage Drop

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