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NCP1237 Fiches technique(PDF) 21 Page - ON Semiconductor

No de pièce NCP1237
Description  Fixed Frequency Current Mode Controller for Flyback Converters
PDF  34 Pages
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Fabricant  ONSEMI [ON Semiconductor]
Site Internet  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1237 Fiches technique(HTML) 21 Page - ON Semiconductor

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NCP1237
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21
Figure 18. Autorecovery Timer−Based Protection Mode
time
Fault Flag
time
VCC
time
DRV
VCC(on)
VCC(min)
Overcurrent
applied
time
Output Load
Max Load
time
Fault timer
tfault
Fault
timer
starts
Controller
stops
Fault
disappears
tfault
tautorec
Restart
At
VCC(on)
(new burst
cycle if Fault
still present)



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