70-W424NIA800SH-M800F Datasheet, PDF (25/32 Pages) Vincotech – Snubber diode for optional asymmetrical inductance

70-W424NIA800SH-M800F
datasheet
Buck switching definitions
Figure 5
Buck IGBT
Turn-off Switching Waveforms & definition of t _Eoff
125
%
I_{C 1%}
100
Figure 6
Buck IGBT
Turn-on Switching Waveforms & definition of t _Eon
125
%
100
75
75
50
50
25
U_{ge 90%}
0
25
U_{ge 10%}
0
U_{ce 3%}
-25
-0,1
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
time (us)
P _off (100%) =
E _off (100%) =
t _{E off} =
483
kW
38,21 mJ
0,58
µs
-25
2,2
2,3
2,4
2,5
P _on (100%) =
E _on (100%) =
t _{E on} =
483
kW
13,39 mJ
0,38
µs
2,6
2,7
time(us)
Figure 7
Buck FWD
Turn-off Switching Waveforms & definition of t _rr
150
%
100
t_rr
50
0
I_{RRM 10%}
-50
-100
-150
I_{RRM 90%}
I_{RRM 100%}
-200
2,3
2,4
2,5
2,6
V _d (100%) =
I _d (100%) =
I _RRM (100%) =
t _rr =
600
V
804
A
-1215 A
0,26
µs
2,7 _time(us) 2,8
copyright Vincotech
25
14 Nov 2015 / Revision 4