NCP1230 ON Semiconductor, NCP1230 Datasheet - Page 15

• Manufacturer Part Number: NCP1230
• Description: Fixed Frequency Controller Featuring Pfc Go To Standby Function
• 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
CC
12.6 V
Timer
PWM
7.7 V
5.6 V
Pin 1
PFC
Flag
V
1 V
CC
12.6V
7.7V
2.5 ms
SS
Regulation
125ms
125 ms
125ms
http://onsemi.com
Fault
Figure 35.
Figure 36.
15
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 36.
Regulation
125ms
125 ms