?2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6982 " Rev. 1.0.3
7
Electrical Characteristics (Continued)
Unless otherwise noted; V
DD
=15V, T
A
= 25癈, T
A
=T
J
, R
T
=27k&, and C
T
=1000pF.
Symbol
Parameter
Conditions
Min. Typ. Max. Units
Voltage Error Amplifier
V
REF
Reference Voltage
2.45 2.50 2.55
V
A
V
Open-Loop Gain
(3)
At T
A
=25癈
35
42
dB
Gm
V
Transconductance
V
NONINV
=V
INV
, V
VEA
=3.75V at T
A
=25癈
50
70
90
祄ho
I
FBPFC-L
Maximum Source Current
V
FBPFC
=2V, V
VEA
=1.5V
40
50
礎
I
FBPFC-H
Maximum Sink Current
V
FBPFC
=3V, V
VEA
=6V
-50
-40
礎
I
BS
Input Bias Current
-1
1
礎
V
VEA-H
Output High Voltage on V
VEA
5.8
6.0
V
V
VEA-L
Output Low Voltage on V
VEA
0.1
0.4
V
Current Error Amplifier
V
ISENSE
Input Voltage Range
-1.5
0.7
V
A
I
Open-Loop Gain
(3)
At T
A
=25癈
40
50
dB
Gm
I
Transconductance
V
NONINV
=V
INV
, V
IEA
=3.75V
75
88
100 祄ho
V
OFFSET
Input Offset Voltage
V
VEA
=0V, I
AC
Open
-10
10
mV
V
IEA-H
Output High Voltage
6.8
7.4
8.0
V
V
IEA-L
Output Low Voltage
0.1
0.4
V
I
L
Source Current
V
ISENSE
= -0.6V, V
IEA
=1.5V
35
50
礎
I
H
Sink Current
V
ISENSE
= +0.6V, V
IEA
=4.0V
-50
-35
礎
PFC OVP Comparator
V
FBPFC-OVP
Over Voltage Protection
2.70 2.75 2.80
V
砎
FBPFC-OVP
PFC OVP Hysteresis
200 250
300
mV
Low-Power Detect Comparator
V
VEA-OFF
VEA Voltage Off OPFC
0.2
0.3
0.4
V
PFC Soft-Start
V
VEA_CLAMP
PFC Soft-Start
V
FBPFC
< 2.4V
2.2
2.8
3.3
V
EN Section
V
EN-H
High Voltage Level of V
EN
V
EN
=V
VREF
7.4
7.5
7.6
V
V
EN-L
Low Voltage Level of V
EN
V
EN
=GND
0
V
Range
V
VRMS-L
RMS AC Voltage Low
When V
VRMS
=1.95V at 132V
RMS
1.90 1.95 20.00
V
V
VRMS-H
RMS AC Voltage High
When V
VRMS
=2.45V at 150 V
RMS
2.40 2.45 2.50
V
V
VEA-L
VEA Low
When V
VEA
=1.95V at 30% Loading
1.90 1.95 2.00
V
V
VEA-H
VEA High
When V
VEA
=2.45V at 40% Loading
2.40 2.45 2.50
V
I
TC
Source Current from FBPFC
18
20
22
礎
Continued on the following page&
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