Datasheet

Detailed description L6920DC
8/16
So, in case of light load, the device works in PFM mode, as shown in Figure 8:
Figure 6. PFM mode condition: V
out
= 5V; V
batt
=1.5V ; C2 = V
out
; C3 = Inductor
Current
Figure 7 shows how the device works in case of heavy load.
Figure 7. Heavy load conditions C2 = V
out
; C3 = Inductor Current; V
out
= 5V;
V
batt
=1.5V