Datasheet

VND5E050K-E Package and PCB thermal data
Doc ID 14472 Rev 4 27/40
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
(a)
a. 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
0,0001 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 –+=