Datasheet

Package and PCB thermal data VNN1NV04P-E, VNS1NV04P-E
18/28 Doc ID 15586 Rev 3
Figure 32. SOT-223 thermal impedance junction ambient single pulse
Equation 1: pulse calculation formula
where  = t
P
/T
Figure 33. SOT-223 thermal fitting model of a single channel
Table 5. SOT-223 thermal parameter
Area/island (cm
2
)FP2
R1 (°C/W) 0.8
R2 (°C/W) 1.6
R3 (°C/W) 4.5
R4 (°C/W) 24
R5 (°C/W) 0.1
R6 (°C/W) 100 45
0,1
1
10
100
1000
0,0001 0,001 0,01 0,1 1 10 100 1000
Time ( s)
ZTH (°C/ W)
Footprint
2 cm
2
Z
TH
R
TH
 Z
THtp
1 –+=