FAN6982 Fairchild Semiconductor, FAN6982 Datasheet - Page 3

• Manufacturer Part Number: FAN6982
• Description: The FAN6982 is a 14-pin, Continuous Conduction Mode (CCM) PFC controller IC intended for Power Factor Correction (PFC) pre-regulators
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN6982 • Rev. 1.0.3
Block Diagram
Marking Information
13
3
6
4
2
7
VRMS
FBPFC
EN
IAC
ISENSE
RT/CT
2.5V
Range
Gain Modulator
Gm
V
14
VEA
0.3V
k
x
2
Detect Comparator
Low-Power
R
M
R
Figure 2. Functional Block Diagram
M
Gm
I
M O
I
1
IEA
2.75V/2.5V
1.05V/1.9V
OSCILLATOR
Figure 3. Top Mark
28V/27V
I
SENSE
-1.15V
V
V
0.5V
RMS
DD
3
F
Z
X
Y
TT
T
P
M
V
PFC OVP
PFC UVP
– Fairchild Logo
– Plant Code
– Package Type (M: SOP)
PFC ILIMIT
– 1-Digit Year Code
– 1-Digit Week Code
– Y: Green Package
V
DD
– Manufacture Flow Code
IN
– 2-Digit Die-Run Code
OVP
UVP
V
DD
2.4V/1.15V
FBPFC
S
R
SET
CLR
UVLO
Q
Q
S
R
CLR
SET
Q
Q
REFERENCE
V
EA
7.5V
2.8V
11
VDD
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PGND
OPFC
SGND
VREF
RDY
12
10
9
5
8