Datasheet

Package and PC board thermal data VNL5160N3-E, VNL5160S5--E
18/27 DocID16364 Rev 3
Figure 12. SOT-223 thermal impedance junction ambient single pulse
Equation 1: pulse calculation formula
where δ = t
P
/T
Figure 13. SOT-223 thermal fitting model
1. The fitting model is a simplified thermal tool and is valid for transient evolutions where the embedded
protections (power limitation or thermal cycling during thermal shutdown) are not triggered.
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
δ
R
TH
δ Z
THtp
1 δ–()+⋅=