V23990-P840-A48/A49/C48/C49-PM
preliminary datasheet
Output Inverter
Figure 13
Figure 14
IGBT transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
FRED transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
101
101
100
100
D = 0,5
0,2
D = 0,5
0,2
10-1
10-1
0,1
0,1
0,05
0,02
0,01
0,005
0.000
0,05
0,02
0,01
0,005
0.000
10-2
10-2
10-5
10-5
10-4
10-3
10-2
10-1
100
101
10-4
10-3
10-2
10-1
100
101
tp (s)
tp (s)
With
D =
With
tp / T
1,83
D =
tp / T
2,52
RthJH
=
RthJH =
K/W
K/W
IGBT thermal model values
FRED thermal model values
R (C/W)
0,06
Tau (s)
5,6E+00
8,7E-01
1,7E-01
3,4E-02
6,2E-03
5,5E-04
R (C/W)
0,05
Tau (s)
9,6E+00
8,2E-01
1,2E-01
2,6E-02
3,4E-03
3,8E-04
0,28
0,26
0,77
1,04
0,42
0,69
0,19
0,27
0,10
0,21
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Revision: 2
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