Test circuits
STB31N65M5, STF31N65M5, STFI31N65M5, STP31N65M5, STW31N65M5
3
Test circuits
Figure 19. Switching times test circuit for
resistive load
Figure 20. Gate charge test circuit
9''
9'
9*6
5*
3:
5/
½)
'87
½ ) 9''
9
N½
N½
Q)
9L 9 9*0$;
½)
,* &2167
N½
½
'87
9*
N½
3:
N½
$0Y
$0Y
Figure 21. Test circuit for inductive load
switching and diode recovery times
Figure 22. Unclamped inductive load test circuit
*
½
$
'
'87
6
%
$$
)$67
',2'(
/ ½ +
%
%
½)
'
*
5*
6
½)
9''
9L
/
9'
½)
½)
9''
,'
'87
$0Y
Figure 23. Unclamped inductive waveform
9%5'66
9'
3Z
$0Y
Figure 24. 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
10/25
DocID022848 Rev 3