Layout recommendation

AN1897

8/17

DocID10240 Rev 2

2

Layout recommendation

Since EMI issues are strongly related to layout, a basic rule has to be taken into account in

high current path routing, (the current loop area has to be minimized). If a heatsink is used it

has to be connected to ground to reduce common mode emissions, since it is close to the

floating drain tab. Besides, in order to avoid any noise interference on the VIPer22A-E logic

pin, the control ground has to be separated from power ground.