4

Package and PCB thermal data

Figure 24. SO-8 PC board for L5050S

Note:

Layout condition of Rth and Zth measurements (PCB: single layer; FR4 area = 77 mm x 86 mm;

PCB thickness = 1.6 mm; Cu thickness = 70 μm (front side), Cu area = 2 cm^2 for L5050S (picture on the right)).

Figure 25. SO-8 PC board for L5050SD

Note:

Layout condition of Rth and Zth measurements (PCB: single layer; FR4 area = 77 mm x 86 mm;

PCB thickness = 1.6 mm; Cu thickness = 70 µm (front side); Cu area = 2 cm^2 for L5050SD (picture on the

right)).

L5050

Package and PCB thermal data

DS13704 - Rev 3

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