FAN4801 FAIRCHILD [Fairchild Semiconductor], FAN4801 Datasheet - Page 9

• Manufacturer Part Number: FAN4801
• Description: PFC/PWM Controller Combination
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

© 2008 Fairchild Semiconductor Corporation
FAN4800A/C, FAN4801/1S/2/2L • Rev. 1.0.2
Electrical Characteristics
V
VDD Section
Oscillator
VREF
PFC OVP Comparator
Low-Power Detect Comparator
V
ΔV
ΔV
ΔV
ΔV
DD
ΔV
IN
V
Symbol
f
ΔV
V
I
OSC-RT/CT
ΔV
ΔV
V
I
REF-MAX
V
V
Discharge
f
RD-FBPFC
I
V
VREF-DT
VREF-TV
VREF-LS
=15V, T
I
PFC-OVP
OK Comparator
ΔV
RANGE
t
RD-FBPFC
I
DD-OP
DD-OVP
DD ST
f
PFC-OVP
TH-ON
PFCD
OS
EAOFF
DD-OVP
f
f
f
OSC
f
VREF
VREF1
VREF2
DV
DT
TV
RV
TH
(3)
.
(3)
(3)
(3)
A
=25°C, R
Startup Current
Operating Current
Turn-On Threshold
Voltage
Hysteresis
V
V
RT/CT Frequency
PFC & PWM Frequency
FAN4800C,FAN4802/02L
PWM Frequency
Voltage Stability
Temperature Stability
Total Variation
(PFC & PWM)
Ramp Voltage
Discharge Current
Frequency Range
PFC Dead Time
Reference Voltage
Load Regulation of
Reference Voltage
Line Regulation of
Reference Voltage
Temperature Stability
Total Variation
Long-Term Stability
Maximum Current
Output Short Circuit
Over-Voltage Protection
PFC OVP Hysteresis
VEA Voltage OFF OPFC
Voltage Level on FBPFC
to Enable OPWM During
Startup
Hysteresis
DD
DD
OVP
OVP Hysteresis
Parameter
T
=6.8kΩ, C
(3)
(3)
(3)
T
=1000pF unless noted operating specifications.
V
V
R
R
11V ≦ V
-40°C ~ +105°C
Line, Temperature
Valley to Peak
V
R
I
C
V
C
-40°C ~ +105°C
Line, Load, Temp
T
V
REF
J
DD
DD
RAMP
VDD
VREF
T
T
T
REF
REF
=125°C, 0 ~ 1000HRs
=6.8kΩ, C
=6.8kΩ, C
=6.8kΩ, C
=V
=13V; OPFC OPWM Open
=0mA, C
=0.1µF, I
=14V, Rise/Fall Time > 20µs
=0.1µF, V
=0V, V
> 7.35V
TH-ON
DD
-0.1V; OPFC OPWM Open
≦ 22V
REF
T
T
RT/CT
T
Conditions
=1000pF
=1000pF
=1000pF
REF
VDD
9
=0.1µF
=0mA to 3.5mA
=2.5V
=11V to 22V
Min.
7.35
2.70
1.15
240
120
400
200
2.0
1.5
6.5
7.4
0.2
2.3
10
27
60
58
50
5
5
Typ.
2.75
1.25
256
128
600
250
2.6
2.8
7.5
0.4
0.3
2.4
30
11
28
64
30
25
1
Max. Units
7.65
2.80
1.35
268
134
800
300
5.0
1.9
7.6
0.5
0.4
2.5
80
12
29
67
15
75
50
25
25
70
2
2
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kHz
kHz
kHz
kHz
mA
mA
mV
mV
mV
mA
mA
mV
µA
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V