DocID027939 Rev 2

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VND5004DSP30

Package and PC board thermal data

27

Figure 26. MultiPowerSO-30 thermal impedance junction ambient single pulse (one

channel on)

Figure 27. Thermal fitting model of a double channel HSD in MultiPowerSO-30

Note:

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.

where

Z

TH

δ

R

TH δ

Z

THtp

1

δ

–

()

+

⋅

=