NCP1234 ONSEMI [ON Semiconductor], NCP1234 Datasheet - Page 24

• Manufacturer Part Number: NCP1234
• Description: Fixed Frequency Current Mode Controller for Flyback Converters
• Manufacturer: ONSEMI [ON Semiconductor]

the system starts a new burst cycle.
Output Load
Max Load
In autorecovery mode, the controller tries to restart after t
Fault timer
Fault Flag
V
V
CC(min)
CC(on)
t
fault
DRV
V
CC
Overcurrent
applied
Figure 41. Autorecovery Timer−Based Protection Mode
t
fault
starts
Fault
timer
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Controller
stops
autorec
24
. If the fault has gone, the supply resumes operation; if not,
cycle if Fault
still present)
t
(new burst
autorec
At
Restart
V
CC(on)
disappears
Fault
time
time
time
time
time