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| HFH18N50S Datasheet, PDF (6/7 Pages) SemiHow Co.,Ltd. – 500V N-Channel MOSFET | |||
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Fig 15. Peak Diode Recovery dv/dt Test Circuit & Waveforms
DUT
+
VDS
_
IS
L
Driver
RG
Same Type
as DUT
VDD
VGS
⢠dv/dt controlled by RG
⢠IS controlled by pulse period
VGS
( Driver )
IS
( DUT )
VDS
( DUT )
D = --G--a--t-e--P--u--l-s-e---W---id--t-h--
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
â SEMIHOW REV.A0,Nov 2009
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