AN1376 APPLICATION NOTE

10/35

5

OUTPUT VOLTAGE RIPPLE @FULL LOAD

In the following picture all the output voltage ripple at switching and mains frequency are mea-

sured. As per the previous measures, the probes have been connected on test points after the

output flat cable. As shown in the pictures, the ripple and the spikes are very low.

Figure 7.

CH2:

+7 Vout

CH2:

+30 Vout

CH3:

+3.3 Vout

CH3:

+5 Vout

CH4:

+12 Vout