FAN4800AS Fairchild Semiconductor, FAN4800AS Datasheet - Page 8
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FAN4800AS
Manufacturer Part Number
FAN4800AS
Description
The highly integrated FAN4800AS/CS/01S/02S parts are specially designed for power supplies that consist of boost PFC and PWM
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN4800AS.pdf
(19 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
FAN4800ASMY
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Company:
Part Number:
FAN4800ASNY
Manufacturer:
FSC
Quantity:
9 926
© 2010 Fairchild Semiconductor Corporation
FAN4800AS/CS/01S/02S • Rev. 1.0.1
Electrical Characteristics
Unless otherwise noted, V
V
Oscillator
V
PFC OVP Comparator
Low-Power Detect Comparator
V
ΔV
DD
REF
IN
ΔV
ΔV
ΔV
ΔV
V
Symbol
f
ΔV
t
V
ΔV
ΔV
OSC-RT/CT
V
V
I
I
PFC-DEAD
V
V
f
REF-MAX
RD-FBPFC
OK Comparator
I
OSC-DIS
V
I
PFC-OVP
ΔV
RANGE
RD-FBPFC
Section
DD-OVP
VEAOFF
DD-OP
DD ST
f
PFC-OVP
VREF-DT
VREF-TV
VREF-LS
DD-OP
TH-ON
DD-OVP
OSC
f
f
f
f
VREF
VREF1
VREF2
DV
RV
DT
TV
TH
Continuously Operating Voltage
Startup Current
Operating Current
Turn-on Threshold Voltage
Hysteresis
V
V
RT/CT Frequency
PFC & PWM Frequency
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
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
DD
=15V, T
(3)
(3)
(3)
(3)
(3)
A
= 25°C, T
(3)
A
=T
V
Open
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
J
DD
DD
T=
T=
RAMP
T
REF
VDD
REF
VREF
=125°C, 0 ~ 1000HRs
, R
= 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
T
=0V, V
=6.8kΩ, and C
> 7.35V
TH-ON
8
DD
Conditions
-0.1V; OPFC OPWM
≦ 22V
T=
T=
REF
RT/CT
REF
T
1000pF
1000pF
VDD
= 1000pF
=0.1µF
=0mA to 3.5mA
=2.5V
=11V to 22V
T
=1000pF.
Continued on the following page…
Min.
7.35
2.70
1.15
240
120
400
200
2.0
1.3
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
2.4
0.4
0.3
30
11
28
64
30
1
Max.
15.0
7.65
2.80
1.35
268
134
800
300
5.0
1.9
7.6
0.5
0.4
2.5
26
80
12
29
67
70
75
50
25
25
www.fairchildsemi.com
2
2
Unit
kHz
kHz
kHz
kHz
mA
mA
mV
mV
mV
mA
mV
µA
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V