Filtering / decoupling

AN2595 - Application note

12/20

3

Filtering / decoupling

3.1

to connect external decoupling capacitors.

A capacitor, X7R dielectric or equivalent, with a minimum value of 10nF (and maximum

decouple the output of the internal regulator from the ground.

3.2

Decoupling on +5 V supply

●

●

pins. This is illustrated by Figure 4 below:

Figure 4.

Implementation of decoupling capacitors

ST10F27x

Good implementation

ST10F27x

Implementation to be avoided

Cap.

Cap.