VN5160S-E
Package and PCB thermal data
Figure 33. SO-8 Thermal impedance junction ambient single pulse
ZTH (°C/W)
1000
Footprint
2 cm2
100
10
1
0.1
0.0001 0.001
0.01
0.1
1
10
100
1000
Time (s)
Equation 1: pulse calculation formula
Z
= R ⋅ δ + Z
(1 – δ)
THtp
THδ
TH
where δ = t /T
P
(a)
Figure 34. Thermal fitting model of a single channel HSD in SO-8
(a )The fitting model is a semplified thermal tool and is valid for transient evolutions where the embedded
protections (power limitation or thermal cycling during thermal shutdown) are not triggered.
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