NCP1236
Fault
disappears
Overcurrent
applied
Output Load
Max Load
Fault Flag
time
Fault
timer
starts
VCC
time
V
CC(on)
V
CC(min)
Restart
At V
CC(on)
(new burst
cycle if Fault
still present)
time
DRV
Controller
stops
Fault timer
time
t
fault
time
tfault
tautorec
Figure 45. Autorecovery Timer−Based Protection Mode
In the latched version, the controller can restart only if a
brown−out or a V reset occurs, which in a real application
can only happen if the power supply is unplugged from the
mains line.
CC
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