© 2012 IXYS CORPORATION, All Rights Reserved
Fig. 12. Inductive Switching
Energy Loss vs. Gate Resistance
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
2 3 4 5 6 7 8 9 10 11 12 13 14 15
R
G
- Ohms
E
off
- MilliJoules
2
3
4
5
6
7
8
9
10
11
E
on
- MilliJoules
E
off
E
on
- - - -
T
J
= 125ºC , V
GE
= 15V
V
CE
= 600V
I
C
= 80A
I
C
= 40A
Fig. 17. Inductive Turn-off
Switching Times vs. Junction Temperature
0
50
100
150
200
250
300
350
25 35 45 55 65 75 85 95 105 115 125
T
J
- Degrees Centigrade
t
f i
- Nanoseconds
110
120
130
140
150
160
170
180
t
d
off
- Nanoseconds
t
f i
t
d(off)
- - - -
R
G
= 2Ω
, V
GE
= 15V
V
CE
= 600V
I
C
= 40A
I
C
= 80A
Fig. 15. Inductive Turn-off
Switching Times vs. Gate Resistance
0
50
100
150
200
250
300
350
400
450
500
2 3 4 5 6 7 8 9 10 11 12 13 14 15
R
G
- Ohms
t
f i
- Nanoseconds
100
150
200
250
300
350
400
450
500
550
600
t
d
off
- Nanoseconds
t
f i
t
d(off)
- - - -
T
J
= 125ºC,
V
GE
= 15V
V
CE
= 600V
I
C
= 80A
I
C
= 40A
Fig. 13. Inductive Switching
Energy Loss vs. Collector Current
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
20 30 40 50 60 70 80
I
C
- Amperes
E
off
- MilliJoules
0
1
2
3
4
5
6
7
8
E
on
- MilliJoules
E
off
E
on
- - - -
R
G
= 2
Ω ,
V
GE
= 15V
V
CE
= 600V
T
J
= 125ºC
T
J
= 25ºC
Fig. 14. Inductive Switching
Energy Loss vs. Junction Temperature
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
25 35 45 55 65 75 85 95 105 115 125
T
J
- Degrees Centigrade
E
off
- MilliJoules
0
1
2
3
4
5
6
7
8
9
10
E
on
- MilliJoules
E
off
E
on
- - - -
R
G
= 2Ω
,
V
GE
= 15V
V
CE
= 600V
I
C
= 80A
I
C
= 40A
Fig. 16. Inductive Turn-off
Switching Times vs. Collector Current
0
50
100
150
200
250
300
350
400
450
20 30 40 50 60 70 80
I
C
- Amperes
t
f i
- Nanoseconds
80
100
120
140
160
180
200
220
240
260
t
d
off
- Nanoseconds
t
f i
t
d(off)
- - - -
R
G
= 2Ω
, V
GE
= 15V
V
CE
= 600V
T
J
= 125ºC
T
J
= 25ºC
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