SH8M70
N-ch
? Measurement circuit
Data Sheet
V GS
I D
V DS
Pulse Width
R L
V GS
50%
10%
90%
50%
R G
D.U.T.
V DS
10%
10%
V DD
90%
90%
t d(on)
t on
t r
t d(off)
t off
t r
Fig.13 Switching Time Measurement Circuit
Fig.14 Switching Waveforms
I G (Const.)
R G
V GS
I D
D.U.T.
R L
V DD
V DS
V G
V GS
Q gs
Q gd
Q g
Charge
Fig.15 Gate Charge Measurement Circuit
P-ch
? Measurement circuit
Fig.16 Gate Charge Waveform
V GS
I D
V DS
Pulse Width
R L
V GS
10%
50%
50%
90%
D.U.T.
R G
V DD
10%
10%
V DS
t d(on)
90%
t r
t d(off)
90%
t r
t on
t off
Fig.17 Switching Time Measurement Circuit
Fig.18 Switching Waveforms
I G (Const.)
R G
V GS
I D
D.U.T.
R L
V DD
V DS
V G
V GS
Q gs
Q g
Q gd
Charge
Fig.19 Gate Charge Measurement Circuit
Fig.20 Gate Charge Waveform
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7/7
2010.06 - Rev.B
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