Datasheet
Functional check AN4164
22/38 Doc ID 023660 Rev 1
The protection acts in auto-restart mode with t
RESTART
= 1sec (
Figure 35
). As the fault is
removed, normal operation is restored after the last t
RESTART
interval has been completed
(
Figure 37
).
Figure 34. Feedback loop failure protection:
tripping
Figure 35. Feedback loop failure protection:
steady-state
AM13203v1
Output short is
removed here
t
RESTART
Normal
operation
Fault is applied here
Normal
operation
V
DD
reaches V
DDCLAMP
< t
OVL
AM13204v1
t
RESTART
Figure 36. Feedback loop failure protection:
steady-state, zoom
Figure 37. Feedback loop failure protection:
converter restart
AM13205v1
< t
OVL
AM13206v1
t
RESTART
Fault is removed here
Normal
operation