Monsters, metaphorically speaking, that is. Take a look at this little land pattern for a TO-263 part. Can you tell me the two main things wrong with this land pattern?
I’ll give you a hint. One of the problems is an absolute no-no. The other one could be justified with a low-current application. But then, wouldn’t you use a smaller package? Duane Benson
Green Grow the Traces Ho
Where’s the Thermal Pad?
Is white outline the silkscreen?
The thermal pad is missing – not to mention the exposed metal vias under the heat slug area. Thw white outline is silkscreen.