ncp1234ad100r2g ON Semiconductor, ncp1234ad100r2g Datasheet - Page 16

• Manufacturer Part Number: ncp1234ad100r2g
• Description: Ncp1234 Fixed Frequency Current Mode Controller For Flyback Converters
• Manufacturer: ON Semiconductor

Fault timer
(internal)
V
V
V
V
CC(min)
HV(min)
Output
CC(on)
CC(off)
DRV
V
V
CC
HV
regulation when
V
HV
Controller
Loss of
stops at
is too low
V
Figure 29. Fast Application Off − On Sequence
CC(off)
The board is
unplugged
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Fault timer
reset by
V
CC(off)
16
up when V
VCC charges
high enough
restarts at
Switching
V
CC(on)
HV
is
time
time
time
time
time