SH8M12 Datasheet, PDF (10/11 Pages) Rohm – 4V Drive Nch + Pch MOSFET

SH8M12
 Measurement circuits
<Tr1(Nch)>
VGS
RG
ID
VDS
RL
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
Data Sheet
<Tr2(Pch)>
VGS
RG
ID
D.U.T.
VDS
RL
VDD
Fig.3-1 Switching Time Measurement Circuit
IG(Const.)
ID
VGS
VDS
RL
D.U.T.
VDD
Fig.4-1 Gate Charge Measurement Circuit
Pulse Width
VGS
10%
50%
90% ^50%
10%
10%
VDS
td(on)
90%
tr
ton
td(off)
90%
tf
toff
Fig.3-2　Switching Waveforms
VG
VGS
Qgs
Qg
Qgd
Charge
Fig.4-2 Gate Charge Waveform
 Notice
This product might cause chip aging and breakdown under the large electrified environment. Please consider to design
ESD protection circuit.
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© 2011 ROHM Co., Ltd. All rights reserved.
10/10
2011.05 - Rev.A