ncp1234ad100r2g ON Semiconductor, ncp1234ad100r2g Datasheet - Page 21

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

NCP1234
I
OPC
V
HV
V
FB
V
V
FB(OPCE)
FB(OPCF)
Figure 36. Overpower Compensation Current Relation to Feedback Voltage and Input Voltage
V
HV
V
HVsample
time
t
Reset
Peak
wd
Reset
detector
Reset
Reset
Reset
time
Sample
Sample
I
Sample
OPC
Sample
Reset
time
Figure 37. Overpower Compensation Current if the HV Pin is Connected to AC Voltage
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