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| 70-W224NIA400SH-M400P Datasheet, PDF (24/32 Pages) Vincotech – Snubber diode for optional asymmetrical inductance | |||
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70-W224NIA400SH-M400P
datasheet
Switching Definitions Buck
General conditions
Tj
= 125 °C
Rgon
= 1â¦
Rgoff
= 1â¦
Test setup inductance: 9nH
Figure 1
Buck IGBT
Figure 2
Buck IGBT
Turn-off Switching Waveforms & definition of tdoff, tEoff
(tEoff = integrating time for Eoff)
Turn-on Switching Waveforms & definition of tdon, tEon
(tEon = integrating time for Eon)
150
%
125
100
75
50
25
0
-25
tdoff
VGE 90%
VGE
tEoff
VCE
VCE 90%
IC
IC 1%
300
%
250
200
150
100
50
0
VCE
tdon
VGE 10%
IC
VGE
IC 10%
tEon
VCE 3%
-50
-0,3
-0,15
0
0,15
0,3
0,45
0,6
time (us)
VGE (0%) =
VGE (100%) =
VC (100%) =
IC (100%) =
tdoff =
tEoff =
-15
V
15
V
600
V
402
A
0,29
µs
0,45
µs
-50
3,8
3,95
4,1
4,25
VGE (0%) =
VGE (100%) =
VC (100%) =
IC (100%) =
tdon =
tEon =
-15
V
15
V
600
V
402
A
0,17
µs
0,30
µs
4,4
4,55
time(us)
Figure 3
Buck IGBT
Turn-off Switching Waveforms & definition of tf
150
%
125
IC
100
75
fitted
VCE
IC 90%
IC 60%
50
IC 40%
25
IC 10%
0
tf
-25
0,1
0,15
0,2
0,25
0,3
0,35 time(us) 0,4
VC (100%) =
IC (100%) =
tf =
600
V
402
A
0,04
µs
Figure 4
Buck IGBT
Turn-on Switching Waveforms & definition of tr
300
%
Ic
250
200
150
VCE
100
50
0
IC 90%
tr
IC 10%
-50
4,1
VC (100%) =
IC (100%) =
tr =
4,15
4,2
4,25
600
V
402
A
0,03
µs
4,3
4,35
time(us)
copyright Vincotech
24
14 Jul 2015 / Revision 4
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