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Компоненты Описание
FAN7527 Просмотр технического описания (PDF) - Fairchild Semiconductor
Номер в каталоге
Компоненты Описание
производитель
FAN7527
Power Factor Correction Controller
Fairchild Semiconductor
FAN7527 Datasheet PDF : 14 Pages
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FAN7527
Internal Block Diagram
Vcc
8
2.5V Ref
Vcc
+
UVLO
-
IInntteerrnnaall
Bias
12V
↔
9V
Timer R
Idet 5
CS
4
MULT
3
+
S
7
6
.
5
2
V
V
-
2V
↔
1.5V
Zero Current
Detector
Q
40K
+
8pF
R
-
Current Sense
Comparator
1.8V
Vmo
Vm1
0 ~ 3.8V
Multiplier
Vref
Veao(L) = 2.25V
0.25V
-
+
Vm2
Vref ~ Vref+2.5V
Vmo
K=
Vm1 * (Vm2-Vref)
GND
OVP Current Isovp=30uA
Detector
Idovp=40uA
6
GND
2
EA_OUT
Drive
Output
7 OUT
Static OVP
+
-
2.25V
+
Vref
-
Vea(-)
Error Amp
1 INV
2
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