V23990-P541-*2*-PM
Output Inverter
Figure 17
Output inverter FWD
Figure 18
Output inverter FWD
Typical rate of fall of forward
and reverse recovery current as a
function of collector current
dI0/dt,dIrec/dt = f(IC)
Typical rate of fall of forward
and reverse recovery current as a
function of IGBT turn on gate resistor
dI0/dt,dIrec/dt = f(Rgon
)
1000
1400
dI0/dt
dI0/dt
µ
µ
µ
µ
dIrec/dt
dIrec/dt
1200
1000
800
600
400
200
0
800
600
400
200
0
0
50
100
150
200
250
300
Ω )
0
2
4
6
8
10
12
I C (A)
R gon
(
At
At
Tj =
VCE
VGE
25/125
300
15
Tj =
25/125
300
6
°C
V
°C
V
A
V
=
=
VR =
IF =
VGE
V
Rgon
=
=
32
ꢀ
15
Figure 19
Output inverter IGBT
Figure 20
Output inverter FWD
IGBT transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
FWD 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
10-4
10-3
10-2
10-1
100
1010
t p (s)
1
t p (s)
10-5
10-4
10-3
10-2
10-1
100
10110
At
At
tp / T
2,78
tp / T
3,68
D =
D =
RthJH
=
RthJH =
K/W
K/W
IGBT thermal model values
Phase change interface
FWD thermal model values
Thermal grease Phase change interface
Thermal grease
R (C/W)
0,07
Tau (s)
R (C/W)
0,06
Tau (s)
R (C/W)
0,04
Tau (s)
R (C/W)
0,04
Tau (s)
3,3E+00
3,8E-01
8,3E-02
1,3E-02
2,6E-03
3,2E-04
2,7E+00
3,1E-01
6,7E-02
1,1E-02
2,1E-03
2,6E-04
1,4E+01
7,0E-01
1,2E-01
2,0E-02
4,1E-03
7,3E-04
1,1E+01
5,7E-01
9,4E-02
1,6E-02
3,3E-03
5,9E-04
0,34
0,27
0,20
0,16
0,93
0,75
0,88
0,71
0,64
0,52
0,69
0,56
0,44
0,36
0,78
0,63
0,37
0,30
0,44
0,36
Revision: 4
copyright Vincotech
9
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