On the datasheet p.176, the figure 83 talks about bulk capacitor as below.
Could you tell me where exactly I should place these? should I make them close to power supply or something?
The bulk capacitors do not need to be really close. Often I see customers place these on the bottom of the PCB. It can be close to the power supply as long as the PCB is not huge. If you are within 12 to 16 inches you are fine. Normally I would place them close like within 3 inches.
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