SH8M41TB1 Datasheet, PDF (8/9 Pages) Rohm – 4V Drive Nch + Pch MOSFET

SH8M41
 Measurement circuits
<Tr1(Nch)>
VGS
RG
ID
RL
VDS
D.U.T.
VDD
Fig.1-1 Switching time measurement circuit
VGS
IG(Const.)
ID
VDS
RL
D.U.T.
VDD
Fig.2-1 Gate charge measurement circuit
　
Pulse width
50%
VGS
10%
VDS
10%
90% _50%
10%
td(on)
90%
tr
ton
td(off)
90%
tf
toff
Fig.1-2 Switching waveforms
VG
VGS
Qgs
Qg
Qgd
Charge
Fig.2-2 Gate Charge Waveform
<Tr2(Pch)>
VGS
RG
ID
D.U.T.
VDS
RL
VDD
Figg..13--11 Switching Time Measurement Circuit
IG(Const.)
ID
VGS
VDS
RL
D.U.T.
VDD
FFiigg..24--11 Gate charge measurement circuit
Pulse Width
VGS
10%
50%
90% ^50%
10%
10%
VDS
td(on)
90%
tr
ton
td(off)
90%
tf
toff
FFiigg..13--2 Switching Waveforms
VG
VGS
Qgs
Qg
Qgd
Charge
FFig.24--22 Gate Charge Waveform
Data Sheet
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8/8
2010.07 - Rev.A