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FAN48002S Folha de dados(PDF) 8 Page - Fairchild Semiconductor

Nome de Peças FAN48002S
Descrição Electrónicos  PFC/PWM Controller Combination
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Fabricante Electrônico  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN48002S Folha de dados(HTML) 8 Page - Fairchild Semiconductor

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© 2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN4800AS/CS/01S/02S • Rev. 1.0.1
8
Electrical Characteristics
Unless otherwise noted, VDD=15V, TA= 25°C, TA=TJ, RT=6.8kΩ, and CT=1000pF.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VDD Section
VDD-OP
Continuously Operating Voltage
26
V
IDD ST
Startup Current
VDD=VTH-ON-0.1V; OPFC OPWM
Open
30
80
µA
IDD-OP
Operating Current
VDD=13V; OPFC OPWM Open
2.0
2.6
5.0
mA
VTH-ON
Turn-on Threshold Voltage
10
11
12
V
ΔVTH
Hysteresis
1.3
1.9
V
VDD-OVP
VDD OVP
27
28
29
V
ΔVDD-OVP
VDD OVP Hysteresis
1
V
Oscillator
fOSC-RT/CT
RT/CT Frequency
RT=6.8kΩ, CT=1000pF
240
256
268
kHz
fOSC
PFC & PWM Frequency
RT=6.8kΩ, CT=1000pF
60
64
67
kHz
PWM Frequency
120
128
134
fDV
Voltage Stability
(3)
11V ≦ VDD ≦ 22V
2
%
fDT
Temperature Stability
(3)
-40°C ~ +105°C
2
%
fTV
Total Variation (PFC & PWM)
(3)
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 = 6.8kΩ, CT = 1000pF
400
600
800
ns
VREF
VVREF
Reference Voltage
IREF=0mA, CREF=0.1µF
7.4
7.5
7.6
V
ΔVVREF1
Load Regulation of Reference
Voltage
CREF=0.1µF, IREF=0mA to 3.5mA
VVDD=14V, Rise/Fall Time > 20µs
30
50
mV
ΔVVREF2
Line Regulation of Reference
Voltage
CREF=0.1µF, VVDD=11V to 22V
25
mV
ΔVVREF-DT
Temperature Stability
(3)
-40°C ~ +105°C
0.4
0.5
%
ΔVVREF-TV
Total Variation
(3)
Line, Load, Temp
7.35
7.65
V
ΔVVREF-LS
Long-Term Stability
(3)
TJ=125°C, 0 ~ 1000HRs
5
25
mV
IREF-MAX
Maximum Current
VVREF > 7.35V
5
mA
PFC OVP Comparator
VPFC-OVP
Over-Voltage Protection
2.70
2.75
2.80
V
ΔVPFC-OVP
PFC OVP Hysteresis
200
250
300
mV
Low-Power Detect Comparator
VVEAOFF
VEA Voltage OFF OPFC
0.2
0.3
0.4
V
VIN OK Comparator
VRD-FBPFC
Voltage Level on FBPFC to
Enable OPWM During Startup
2.3
2.4
2.5
V
ΔVRD-FBPFC Hysteresis
1.15
1.25
1.35
V
Continued on the following page…


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