Datasheet

VN5050AJ-E Package and PCB thermal data
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Figure 30. PowerSSO-12™ thermal impedance junction ambient single pulse
Equation 2: pulse calculation formula
where δ = t
P
/T
Figure 31. Thermal fitting model of a single channel HSD in PowerSSO-12™
(a)
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.
0,1
1
10
100
0,001 0,01 0,1 1 10 100 1000
Time (s)
ZTH (°C/ W)
Footprint
8 cm
2
2 cm
2
Z
THδ
R
TH
δ Z
THtp
1 δ–()+⋅=