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How to determine PCB copper coverage area for heat dissipating components?

Younes Thabet

Thread Starter

Younes Thabet

Joined Jan 9, 2019
144
Hello,

I want to use PCB copper coverage area to dissipate heat as recommended for TinySwitch-III PMIC, but in the datasheet they didn't specify the area beneath the IC (PDIP-8C Package).. So how can i determine the exact area of copper for better heat dissipation? same for L78M (DPAK)?!
Please if there are any other tips or tricks regarding the matter, please do tell !

Screenshot 2021-02-08 155516.png
Regards,
 
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