FAN4801 FAIRCHILD [Fairchild Semiconductor], FAN4801 Datasheet - Page 11

• 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
PFC ILIMIT Comparator
PFC Output Driver
Brown Out
Soft-Start
PWM ILIMIT Comparator
Range (FAN4801/1S/2/2L)
V
DD
V
Symbol
GATE-CLAMP
D
V
D
ΔV
V
V
V
V
PFC-ILIMIT
=15V, T
V
t
PWM-ILIMIT
PFC-MAX
ΔV
PFC-MIN
PWM-Bnk
V
V
GATE-H
GATE-L
RMS-UVP
RMS-UVP
V
V
SS-MAX
RMS-UVP
t
RMS-H
RMS-L
t
t
I
t
UVP
EA-L
EA-H
I
r
f
PD
SS
pk
tc
A
=25°C, R
Peak Current Limit
Threshold Voltage,
Cycle-by-Cycle Limit
PFC ILIMIT-Gain
Modulator Output
Gate Output Clamping
Voltage
Gate Low Voltage
Gate High Voltage
Gate Rising Time
Gate Falling Time
Maximum Duty Cycle
Minimum Duty Cycle
Maximum Voltage
Soft-Start Current
Threshold Voltage
Delay to Output
Leading-Edge Blanking
Time
V
V
Hysteresis
Under-Voltage
Protection Delay Time
RMS AC Voltage HIGH
VEA LOW
VEA LOW (FAN4801S)
VEA HIGH
VEA HIGH (FAN4801S)
Two-Level Current
RMS AC Voltage LOW
RMS
RMS
T
Threshold Low
Threshold High
Parameter
=6.8kΩ, C
T
=1000pF unless noted operating specifications.
(Continued)
FAN4802L
V
FAN4800A/C, FAN4801/1S/2
FAN4800A/C, FAN4801/1S/2
FAN4802L
FAN4800A/C, FAN4801/1S/2
FAN4802L
When V
When V
When V
When V
When V
FBPFC Two-Level Current
I
V
V
V
V
V
V
V
V
When V
AC
DD
FBPFC
DD
DD
DD
DD
DD
IEA
IEA
=17.67µA, V
=15V
=22V
=15V; I
=13V; I
=15V; C
=15V; C
<1.2V
>4.5V
=2.25V, at T=25°C
RMS
VEA
VEA
VEA
VEA
RMS
O
O
=1.95V at 30% Loading,
=2.80V at 60% Loading
=2.45V at 40% Loading,
=3.35V at 70% Loading
=2.45V at 150V
=1.95V at 132V
L
L
=100mA
=100mA
=4.7nF; O/P=2V to 9V
=4.7nF; O/P=9V to 2V
Conditions
11
RMS
=1.08V
RMS
RMS
Min.
-1.25
1.00
0.85
1.85
1.60
0.95
1.90
2.40
1.90
2.75
2.40
3.30
200
750
650
340
170
9.5
18
13
40
40
94
8
Typ.
-1.15
1.95
2.45
1.95
2.80
2.45
3.35
1.05
0.90
1.90
1.65
10.0
1.00
850
750
410
250
250
20
15
70
60
97
10
Max. Units
-1.05
2.00
2.50
2.00
2.85
2.50
3.40
1.10
0.95
1.95
1.70
10.5
1.05
120
110
950
850
480
350
1.5
22
17
0
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mV
mV
mV
ms
µA
µA
ns
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V