Datasheet

VND5E160J-E Package and PC board thermal data
27/34
Figure 37. PowerSSO-12 thermal impedance junction ambient single pulse (one
channel ON)
Equation 1: pulse calculation formula
where  = t
P
/T
Figure 38. Thermal fitting model of a double channel HSD in PowerSSO-12
(b)
b. 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.
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
TH
R
TH
 Z
THtp
1 –+=