ncp1230a ON Semiconductor, ncp1230a Datasheet - Page 16

• Manufacturer Part Number: ncp1230a
• Description: Low?standby Power Soft Skip Mode Controller
• Manufacturer: ON Semiconductor

when Vcc drops below UVLO (7.7 V typical). During this
fault detection method, the controller will not wait for the
The latch−off phase can also be initiated, more classically,
V
12.6V
CC
7.7V
12.6 V
Timer
PWM
7.7 V
5.6 V
Pin 1
PFC
Flag
V
1 V
CC
2.5 ms
SS
Regulation
125ms
125 ms
125ms
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Fault
Figure 36.
Figure 37.
16
125ms
125 ms time−out, or the error flag before it goes into the
latch−off phase, operating in the skip mode under these
conditions, refer to Figure 37.
Regulation
125 ms
125ms