STW62N65M5
3
Test circuits
Test circuits
Figure 15. Switching times test circuit for
resistive load
Figure 16. Gate charge test circuit
VDD
VD
VGS
RG
PW
RL
2200
μF
D.U.T.
3.3
μF VDD
12V
47kΩ
1kΩ
100nF
Vi=20V=VGMAX
2200
μF
IG=CONST
2.7kΩ
100Ω
D.U.T.
VG
47kΩ
PW
AM01468v1
1kΩ
AM01469v1
Figure 17. Test circuit for inductive load
switching and diode recovery times
Figure 18. Unclamped inductive load test circuit
G
25 Ω
A
D
D.U.T.
S
B
AA
FAST
DIODE
L=100μH
B
3.3
B
μF
D
G
RG
S
1000
μF
VDD
Vi
L
VD
2200
3.3
μF
μF
VDD
ID
D.U.T.
AM01470v1
Figure 19. Unclamped inductive waveform
9%5'66
9'
Pw
AM01471v1
Figure 20. Switching time waveform
Inductive Load Turn - off
Id
90%Vds
90%Id
9''
,'0
,'
9''
Vgs
90%Vgs on
10%Vds
Vds
Vgs(I(t))
$0Y
td(v)
tr(v)
tf(i)
tc(off)
10%Id
AM05540v1
DocID024837 Rev 3
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