ncp1651 ON Semiconductor, ncp1651 Datasheet - Page 12

• Manufacturer Part Number: ncp1651
• Description: Single Stage Power Factor Controller
• Manufacturer: ON Semiconductor

NCP1651
6.5 V
3.8 k
FB/SD
9
680
SHUT
V−I
DOWN
CONVERTER
5
A
REFERENCE
AC INPUT
MULTIPLIER
(Allows external converters to be synchronized to the switching frequency of this unit.)
Figure 23. External Shutdown Circuit
V
ref
12
33 k
BAS16LT1
AC COMP
11
MMBT2907AL
NCP1651
R
11
0.33 mF
C
11
Figure 24. Soft−Start Circuit
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12