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FAN4800AUN View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
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FAN4800AUN
Fairchild
Fairchild Semiconductor Fairchild
FAN4800AUN Datasheet PDF : 19 Pages
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Electrical Characteristics
Unless otherwise noted, VDD=15V, TA= 25°C, TA=TJ, RT=6.8k, and CT=1000pF.
Symbol
VDD Section
Parameter
IDD-ST
Startup Current
IDD-OP
Operating Current
VTH-ON Turn-on Threshold Voltage
VTH Hysteresis
VDD-OVP
VDD OVP
VDD-OVP VDD OVP Hysteresis
Oscillator
fOSC-RT/CT RT/CT Frequency
PFC & PWM Frequency
fOSC
FAN4800CU PWM Frequency
fDV
Voltage Stability(3)
fDT
Temperature Stability(3)
fTV
Total Variation (PFC & PWM)(3)
fRV
Ramp Voltage
IOSC-DIS Discharge Current
fRANGE
Frequency Range
tPFC-DEAD
VVREF
PFC Dead Time
VVREF
VVREF1
Reference Voltage
Load Regulation of Reference
Voltage
VVREF2
Line Regulation of Reference
Voltage
VVREF-DT
VVREF-TV
VVREF-LS
Temperature Stability(3)
Total Variation(3)
Long-Term Stability(3)
IVREF-MAX. Maximum Current
PFC OVP Comparator
VPFC-OVP Over-Voltage Protection
VPFC-OVP PFC OVP Hysteresis
Low-Power Detect Comparator
VVEAOFF VEA Voltage OFF OPFC
VIN OK Comparator
VRD-FBPFC
Voltage Level on FBPFC to
Enable OPWM During Startup
VRD-FBPFC Hysteresis
Condition
VDD=VTH-ON-0.1V, OPFC OPWM
Open
VDD=13V, OPFC OPWM Open
RT=6.8k, CT=1000pF
11V VDD 22V
-40°C ~ +105°C
Line, Temperature
Valley to Peak
VRAMP=0V, VRT/CT=2.5V
RT=6.8k, CT=1000pF
IVREF=0mA, CVREF=0.1µF
CVREF=0.1µF, IVREF=0mA to 3.5mA
VDD=14V, Rise/Fall Time > 20µs
CVREF=0.1µF, VDD=11V to 22V
-40°C ~ +105°C
Line, Load, Temperature
TJ=125°C, 0 ~ 1000 Hours
VVREF > 7.35V
Min.
2.0
10
1.3
27
240
60
120
58
6.5
50
400
7.4
7.35
5
5
2.70
200
0.2
2.3
1.0
Typ.
30
2.6
11
28
1
256
64
128
2.8
600
7.5
30
0.4
2.75
250
0.3
2.4
1.1
Max.
80
5.0
12
1.9
29
268
67
134
2
2
70
15.0
75
800
7.6
50
25
0.5
7.65
25
2.80
300
0.4
2.5
1.2
Unit
µA
mA
V
V
V
V
kHz
kHz
%
%
kHz
V
mA
kHz
ns
V
mV
mV
%
V
mV
mA
V
mV
V
V
V
Continued on the following page…
© 2011 Fairchild Semiconductor Corporation
FAN4800AU/CU • Rev. 1.0.0
7
www.fairchildsemi.com
 

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