oss 2
× Vin
×
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, can be seen from Fig 16.
Qgs2 indicates the charge that must be supplied by the gate driver between the time that the threshold voltage has been reached and the time the drain cur.
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Applications l High Frequency Synchronous Buck
Converters for Computer Processor Power l Lead-Free
PD - 95530
IRF3711ZPbF IRF3711ZSPbF IRF3711ZLPbF
HEXFET® Power MOSFET
VDSS RDS(on) max Qg
20V 6.0m: 16nC
Benefits
l Low RDS(on) at 4.
IRF3711ZPbF Datasheet
