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FAN4802LNY Folha de dados(PDF) 11 Page - Fairchild Semiconductor

Nome de Peças FAN4802LNY
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

FAN4802LNY Folha de dados(HTML) 11 Page - Fairchild Semiconductor

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© 2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN4800A/C, FAN4801/1S/2/2L • Rev. 1.0.1
11
Electrical Characteristics (Continued)
VDD=15V, TA=25°C, RT=6.8kΩ, CT=1000pF unless noted operating specifications.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
PFC ILIMIT Comparator
VPFC-ILIMIT
Peak Current Limit
Threshold Voltage,
Cycle-by-Cycle Limit
-1.25
-1.15
-1.05
V
ΔVpk
PFC ILIMIT-Gain
Modulator Output
IAC=17.67µA, VRMS=1.08V VFBPFC=2.25V,
at T=25°C
200
mV
PFC Output Driver
VGATE-CLAMP
Gate Output Clamping
Voltage
VDD=22V
13
15
17
V
VGATE-L
Gate Low Voltage
VDD=15V; IO=100mA
1.5
V
VGATE-H
Gate High Voltage
VDD=13V; IO=100mA
8
V
tr
Gate Rising Time
VDD=15V; CL=4.7nF; O/P=2V to 9V
40
70
120
ns
tf
Gate Falling Time
VDD=15V; CL=4.7nF; O/P=9V to 2V
40
60
110
ns
DPFC-MAX
Maximum Duty Cycle
VIEA<1.2V
94
97
%
DPFC-MIN
Minimum Duty Cycle
VIEA>4.5V
0
%
Brown Out
FAN4800A/C, FAN4801/1S/2
1.00
1.05
1.10
V
VRMS-UVP
VRMS Threshold Low
FAN4802L
0.85
0.90
0.95
V
FAN4800A/C, FAN4801/1S/2
1.85
1.90
1.95
V
VRMS-UVP
VRMS Threshold High
FAN4802L
1.60
1.65
1.70
V
FAN4800A/C, FAN4801/1S/2
750
850
950
mV
ΔVRMS-UVP
Hysteresis
FAN4802L
650
750
850
mV
tUVP
Under-Voltage
Protection Delay Time
340
410
480
ms
Soft Start
VSS-MAX
Maximum Voltage
VDD=15V
9.5
10.0
10.5
V
ISS
Soft-Start Current
10
µA
PWM ILIMIT Comparator
VPWM-ILIMIT
Threshold Voltage
0.95
1.00
1.05
V
tPD
Delay to Output
250
ns
tPWM-Bnk
Leading-Edge Blanking
Time
170
250
350
ns
Range (FAN4801/1S/2/2L)
VRMS-L
RMS AC Voltage Low
When VRMS=1.95V at132Vrms
1.90
1.95
2.00
V
VRMS-H
RMS AC Voltage High
When VRMS=2.45V at150Vrms
2.40
2.45
2.50
V
VEA Low
1.90
1.95
2.00
VEA-L
VEA Low (FAN4801S)
When VVEA=1.95V at 30% Loading,
When VVEA=2.80V at 60% Loading
2.75
2.80
2.85
V
VEA High
2.40
2.45
2.50
VEA-H
VEA High (FAN4801S)
When VVEA=2.45V at 40% Loading,
When VVEA=3.35V at 70% Loading
3.30
3.35
3.40
V
Itc
Two-Level Current
FBPFC Two-Level Current
18
20
22
µA


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