FDS8878的N-沟道PowerTrench
MOSFET
SPICE热模型
2005年二月REV
FDS8878T
铜面积= 1.0
2
CTHERM1日8 2.0E - 3
CTHERM2 8 7 5.0E - 3
CTHERM3 7 6 1.0E - 2
CTHERM4 6 5 4.0E - 2
CTHERM5 5 4 9.0E - 2
CTHERM6 4 3 2E - 1
CTHERM7 3 2 1
CTHERM8 2 TL 3
RTHERM1 TH 8 1E - 1
RTHERM2 8 7 5E - 1
RTHERM3 7 6 1
RTHERM4 6 5 5
RTHERM5 5 4 8
RTHERM6 4 3 12
RTHERM7 3 2 18
RTHERM8 2 TL 25
th
连接点
RTHERM1
CTHERM1
8
RTHERM2
CTHERM2
7
RTHERM3
CTHERM3
6
SABER热模型
铜面积= 1.0
2
模板thermal_model个TL
thermal_c日， TL
{
ctherm.ctherm1日8 = 2.0E - 3
ctherm.ctherm2 8 7 = 5.0E - 3
ctherm.ctherm3 7 6 = 1.0E - 2
ctherm.ctherm4 6 5 = 4.0E - 2
ctherm.ctherm5 5 4 = 9.0E - 2
ctherm.ctherm6 4 3 = 2E - 1
ctherm.ctherm7 3 2 1
ctherm.ctherm8 2 TL 3
rtherm.rtherm1日8 = 1E - 1
rtherm.rtherm2 8 7 = 5E - 1
rtherm.rtherm3 7 6 = 1
rtherm.rtherm4 6 5 = 5
rtherm.rtherm5 5 4 = 8
rtherm.rtherm6 4 3 = 12
rtherm.rtherm7 3 2 = 18
rtherm.rtherm8 2 TL = 25
}
RTHERM4
CTHERM4
5
RTHERM5
CTHERM5
4
RTHERM6
CTHERM6
3
RTHERM7
CTHERM7
2
RTHERM8
CTHERM8
tl
例
表1.热模型
COMPONANT
CTHERM6
CTHERM7
CTHERM8
RTHERM6
RTHERM7
RTHERM8
在0.04
2
1.2e-1
0.5
1.3
26
39
55
在0.28
2
1.5e-1
1.0
2.8
20
24
38.7
在0.52
2
2.0e-1
1.0
3.0
15
21
31.3
在0.76
2
2.0e-1
1.0
3.0
13
19
29.7
在1.0
2
2.0e-1
1.0
3.0
12
18
25
11
FDS8878牧师A1
www.fairchildsemi.com
