Datasheet

Package and PCB thermal data L4993
22/32 Doc ID 13517 Rev 8
4.2 SO-20 thermal data
Figure 32. SO-20 PC board
Note: Layout condition of R
th
and Z
th
measurements (PCB FR4 area= 58mm x 58mm,PCB
thickness = 2mm, Cu thickness=35m , Copper areas: from minimum pad lay-out to 6cm
2
).
Figure 33. R
thj-amb
Vs. PCB copper area in open box free air condition
.
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