hufa76407dk8 Fairchild Semiconductor, hufa76407dk8 Datasheet - Page 11

• Manufacturer Part Number: hufa76407dk8
• Description: 3.5a, 60v, 0.105 Ohm, Dual N-channel, Logic Level Ultrafet Power Mosfet
• Manufacturer: Fairchild Semiconductor

SPICE Thermal Model
REV 1June 1999
HUFA76407DK8
Copper Area = 0.02 in
CTHERM1 th 8 8.5e-4
CTHERM2 8 7 1.8e-3
CTHERM3 7 6 5.0e-3
CTHERM4 6 5 1.3e-2
CTHERM5 5 4 4.0e-2
CTHERM6 4 3 9.0e-2
CTHERM7 3 2 4.0e-1
CTHERM8 2 tl 1.4
RTHERM1 th 8 3.5e-2
RTHERM2 8 7 6.0e-1
RTHERM3 7 6 2
RTHERM4 6 5 8
RTHERM5 5 4 18
RTHERM6 4 3 39
RTHERM7 3 2 42
RTHERM8 2 tl 48
SABER Thermal Model
Copper Area = 0.02 in
template thermal_model th tl
thermal_c th, tl
{
ctherm.ctherm1 th 8 = 8.5e-4
ctherm.ctherm2 8 7 = 1.8e-3
ctherm.ctherm3 7 6 = 5.0e-3
ctherm.ctherm4 6 5 = 1.3e-2
ctherm.ctherm5 5 4 = 4.0e-2
ctherm.ctherm6 4 3 = 9.0e-2
ctherm.ctherm7 3 2 = 4.0e-1
ctherm.ctherm8 2 tl = 1.4
rtherm.rtherm1 th 8 = 3.5e-2
rtherm.rtherm2 8 7 = 6.0e-1
rtherm.rtherm3 7 6 = 2
rtherm.rtherm4 6 5 = 8
rtherm.rtherm5 5 4 = 18
rtherm.rtherm6 4 3 = 39
rtherm.rtherm7 3 2 = 42
rtherm.rtherm8 2 tl = 48
}
©2001 Fairchild Semiconductor Corporation
CTHERM6
CTHERM7
CTHERM8
RTHERM6
RTHERM7
RTHERM8
COMPONENT
2
2
0.02 in
9.0e-2
4.0e-1
1.4
39
42
48
2
TABLE 1. THERMAL MODELS
0.14 in
1.3e-1
6.0e-1
2.5
26
32
35
2
RTHERM1
RTHERM2
RTHERM3
RTHERM4
RTHERM5
RTHERM6
RTHERM7
RTHERM8
0.257 in
1.5e-1
4.5e-1
2.2
20
31
38
2
th
8
7
6
5
4
3
2
tl
JUNCTION
AMBIENT
0.38 in
1.5e-1
6.5e-1
20
29
31
3
2
CTHERM1
CTHERM2
CTHERM3
CTHERM4
CTHERM5
CTHERM6
CTHERM7
CTHERM8
HUFA76407DK8 Rev. B
0.493 in
1.5e-1
7.5e-1
20
23
25
3
2