Datasheet

VNN7NV04, VNS7NV04, VND7NV04, VND7NV04-1 Package and PCB thermal data
Doc ID 7383 Rev 4 23/37
Figure 42. SOT-223 thermal impedance junction ambient single pulse
Figure 43. Thermal fitting model of an OMNIFET II in SOT-223
Equation 2 Pulse calculation formula
where
Table 6. SOT-223 thermal parameter
Area/island (cm
2
)Footprint2
R1 (°C/W) 0.2
R2 (°C/W) 1.1
R3 (°C/W) 4.5
R4 (°C/W) 24
R5 (°C/W) 0.1
R6 (°C/W) 100 45
C1 (W.s/°C) 3.00E-04
0.1
1
10
100
1000
0.0001 0.001 0.01 0.1 1 10 100 1000
Time (s)
ZTH (°C/W)
T_amb
C1
R1 R2
C2
R3
C3
R4
C4
R5
C5
R6
C6
Pd
Tj
Z
THδ
R
TH
δ Z
THtp
1 δ–()+⋅=
δ t
p
T⁄=