FAN7527B Fairchild Semiconductor, FAN7527B Datasheet - Page 2

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FAN7527B

Manufacturer Part Number
FAN7527B
Description
The FAN7527B provides simple and high performance active power factor correction
Manufacturer
Fairchild Semiconductor
Datasheet

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FAN7527B
Internal Block Diagram
2
MULT
Idet
Vcc
CS
8
5
4
3
40k
7.2V
2V 1.5V
0 ~ 3.8V
Vm1
1.8V
8pF
11.5V
K
8.5V
Vm
Zero Current
Vmo
Multiplier
Detector
1
Current Sense
Comparator
(
Vm
Vmo
2
Vref
UVLO
)
GND
6
Vref
0.25V
Vm2
2.5V Ref
Internal
R
EA_OUT
Veao(L)=2.25V
Detector
Current
S
Bias
OVP
Timer R
2
Vref~Vref+2.5V
Isovp=30uA
Idovp=40uA
Q
Static OVP
Error Amp
Output
Vcc
Drive
Vea(-)
Vref
2.25V
7
1
INV
OUT

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