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AN1894 - APPLICATION NOTE

2.1.4 PCB Layout

The PCB is designed as single sided board made of FR-4 material with 35mm copper plating with solder

and silk screen mask. The assembled board contains both SMD and through hole components. The

board incorporates both a buck and buck-boost variant of the converter. The outline dimensions are

38x29mm. Assembly top side (trough-hole components) and solder bottom (SMD components) side can

be seen in Figure 2 and Figure 3.

Figure 2: Assembly Top (not in scale)

Figure 3: Assembly Solder Side (not in scale)

Figure 4: PCB Layout (not in scale)