V23990-P586-*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
)
2800
7000
dI0/dt
dI0/dt
µ
µ
µ
dIo/dtLow T
µ
dIrec/dt
dIrec/dt
6000
5000
4000
3000
2000
1000
0
2400
2000
1600
1200
800
400
0
di0/dtHigh T
dIrec/dtLow T
dIrec/dtHigh T
di0/dtHigh T
dIo/dtLow T
dIrec/dtLow T
dIrec/dtHigh T
0
10
20
30
40
50
60
70
)
I C (A)
R gon
(
Ω
0
20
40
60
80
100
At
At
Tj =
VCE
25/125
Tj =
25/125
300
°C
V
°C
V
A
V
=
VR =
300
±15
16
VGE
=
IF =
VGE
V
50
Rgon
=
=
ꢀ
±15
Figure 19
Output inverter IGBT
Figure 20
Output inverter FWD
IGBT transient thermal impedance
as a function of pulse width
FWD transient thermal impedance
as a function of pulse width
ZthJH = f(tp)
Z
thJH = 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
10-5
10-2
10-5
10-4
10-3
10-2
10-1
100
1011
10-4
10-3
10-2
10-1
100
1011
t p (s)
t p (s)
At
At
tp / T
1,25
Phase change material
RthJH = 1,06
tp / T
1,65
Phase change material
RthJH = 1,40 K/W
D =
RthJH
D =
=
RthJH =
K/W
K/W
K/W
IGBT thermal model values
Phase change material
FWD thermal model values
Thermal grease Phase change material
Thermal grease
R (C/W)
0,07
Tau (s)
R (C/W)
3,15
Tau (s)
3,7E+00
5,5E-01
1,4E-01
1,9E-02
2,9E-03
3,0E-04
R (C/W)
0,08
Tau (s)
R (C/W)
2,79
Tau (s)
3,2E+00
4,6E-01
1,1E-01
1,8E-02
3,2E-03
4,1E-04
3,7E+00
5,5E-01
1,4E-01
1,9E-02
2,9E-03
3,0E-04
3,2E+00
4,6E-01
1,1E-01
1,8E-02
3,2E-03
4,1E-04
0,28
0,47
0,28
0,39
0,66
0,12
0,62
0,10
0,23
0,02
0,39
0,02
0,05
0,00
0,14
0,00
0,06
0,00
0,14
0,00
copyright Vincotech
9
Revision: 2
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