Datasheet

Package and PCB thermal data VND5050J-E / VND5050K-E
28/37 Doc ID 12266 Rev 7
Figure 37. PowerSSO-24™ thermal impedance junction ambient single pulse (one
channel on)
Equation 2: pulse calculation formula
where δ = t
P
/T
Figure 38. Thermal fitting model of a double channel HSD in PowerSSO-24™
(b)
b. 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.
Z
THδ
R
TH
δ Z
THtp
1 δ–()+⋅=