Datasheet

Package and PCB thermal data VND5E050K-E
30/40 Doc ID 14472 Rev 4
Figure 41. PowerSSO-24 thermal impedance junction ambient single pulse (one
channel on)
Equation 2: pulse calculation formula
where  = t
P
/T
Figure 42. 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
TH
R
TH
 Z
THtp
1 –+=