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FAN6982 Datasheet(PDF) 6 Page - Fairchild Semiconductor

No. de pieza FAN6982
Descripción Electrónicos  CCM Power Factor Correction Controller
Download  16 Pages
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN6982 Datasheet(HTML) 6 Page - Fairchild Semiconductor

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© 2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6982 • Rev. 1.0.1
6
Electrical Characteristics
Unless otherwise noted; VDD=15V, TA= 25°C, TA=TJ, RT=27kΩ, and CT=1000pF.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
VDD Section
VDD-OP
Continuously Operating
Voltage
22
V
IDD ST
Startup Current
VDD=VTH-ON-0.1V; OPFC Open
30
80
µA
IDD-OP
Operating Current
VDD=13V; OPFC Open
2.0
2.3
3.0
mA
VTH-ON
Turn-on Threshold Voltage
10
11
12
V
VTH
Hysteresis
1.35
1.90
V
VDD-OVP
VDD OVP
27
28
29
V
VDD-OVP
VDD OVP Hysteresis
1
V
Oscillator
fOSC
PFC Frequency
RT=27kΩ, CT=1000pF
60
64
67
kHz
fDV
(3)
Voltage Stability
11V ≦ VDD ≦ 22V
2
%
fDT
(3)
Temperature Stability
-40°C ~ +105°C
2
%
fTV
Total Variation
Line, Temperature
58
70
kHz
fRV
Ramp Voltage
Valley-to-Peak
2.8
V
IOSC-DIS
Discharge Current
VRAMP=0V, VRT/CT=2.5V
6.5
15.0
mA
fRANGE
Frequency Range
50
75
kHz
tPFC-DEAD
PFC Dead Time
RT=27kΩ, CT=1000pF
400
600
800
ns
VREF
VVREF
Reference Voltage
IREF=0mA, CREF=0.1µF
7.4
7.5
7.6
V
VVREF1
Load Regulation of
Reference Voltage
CREF=0.1µF, IREF=0mA to 3.5mA
VVDD=14V, Rise/Fall Time > 20µs
30
50
mV
VVREF2
Line Regulation of Reference
Voltage
CREF=0.1µF, VVDD=11V to 22V
25
mV
VVREF-DT
Temperature Stability
(3)
-40°C ~ +105°C
0.4
0.5
%
VVREF-TV
Total Variation
(3)
Line, Load, Temperature
7.35
7.65
V
VVREF-LS
Long-Term Stability
(3)
TJ=125°C, 0 ~ 1000HRs
5
25
mV
IREF-MAX
Maximum Current
VVREF > 7.35V
5
mA
Brownout
VRMS-UVL
VRMS Threshold Low
When VRMS=1.05V at 75 VRMS
1.00
1.05
1.10
V
VRMS-UVH
VRMS Threshold High
When VRMS=1.9V at 85 • 1.414
1.85
1.90
1.95
V
VRMS-UVP
Hysteresis
750
850
950
mV
tUVP
Under-Voltage Protection
Debounce Time
340
410
480
ms
RDY Section
VFBPFC-RD
FBPFC Voltage Level to Pull
Low Impedance with RDY Pin
2.3
2.4
2.5
V
VFBPFC-RD Hysteresis
1.15
1.25
1.35
V
IRDY-LEK
Leakage Current of RDY
High Impedance
VFBPFC<2.4V
500
nA
VRDY-L
RDY Low Voltage
ISINK=2mA
0.5
V
Continued on the following page…


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