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FAN4800AS View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
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FAN4800AS
Fairchild
Fairchild Semiconductor Fairchild
FAN4800AS Datasheet PDF : 19 Pages
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Electrical Characteristics (Continued)
Unless otherwise noted, VDD=15V, TA= 25°C, TA=TJ, RT=6.8k, and CT=1000pF.
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
PFC Output Driver
VGATE-CLAMP
VGATE-L
VGATE-H
Gate Output Clamping Voltage
Gate Low Voltage
Gate High Voltage
tR
Gate Rising Time
tF
DPFC-MAX
DPFC-MIN
Brownout
Gate Falling Time
Maximum Duty Cycle
Minimum Duty Cycle
VDD=22V
VDD=15V, IO = 100mA
VDD=13V, IO = 100mA
VDD=15V, CL=4.7nF,
O/P= 2V to 9V
VDD=15V; CL=4.7nF,
O/P= 9V to 2V
VIEA<1.2V
VIEA>4.5V
13
15
17
V
1.5
V
8
V
40
70 120 ns
40
60 110 ns
94
97
%
0
%
VRMS-UVL
VRMS-UVH
VRMS-UVP
tUVP
VRMS Threshold Low
VRMS Threshold High
Hysteresis
Under Voltage Protection
Debounce Time
When VRMS=1.05V at 75VRMS
When VRMS=1.9V at 85•1.414
1.03 1.05 1.08 V
1.88 1.90 1.94 V
750 850 950 mV
850 1000 1150 ms
Soft Start
VSS-MAX Maximum Voltage
ISS
Soft-Start Current
PWM ILIMIT Comparator
VPWM-ILIMIT Threshold Voltage
VDD=15V
9.5 10.0 10.5 V
10
µA
0.95 1.00 1.05 V
tPD
Propagation Delay to Output
tPWM-BNK Leading-Edge Blanking Time
Range (FAN4801S/02S)
250
ns
170 250 350 ns
VVRMS-L
VVRMS-H
VVEA-L
RMS AC Voltage Low
RMS AC Voltage High
VEA LOW
VVEA-H
VEA HIGH
ITC
Source Current from FBPFC
PWM Output Driver
When VVRMS =1.95V at 132VRMS
1.90 1.95 2.00
V
When VVRMS =2.45V at 150VRMS
2.40 2.45 2.50
V
When VVEA= 1.95V at 30%
Loading
1.90 1.95 2.00 V
When VVEA= 2.45V at 40%
Loading
2.40 2.45 2.50 V
18
20
22
µA
VGATE-CLAMP Gate Output Clamping Voltage VDD=22V
18
19
20
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
30
60 120 ns
tF
Gate Falling Time
VDD=15V, CL=4.7nF
30
50 110 ns
DPWM-MAX Maximum Duty Cycle
49.0 49.5 50.0 %
VPWM-LS PWM Comparator Level Shift
1.3 1.5 1.8
V
Notes:
3. This parameter, although guaranteed by design, is not 100% production tested.
4. This GAIN is the maximum gain of modulation with a given VRMS voltage when VVEA is saturated to HIGH.
© 2010 Fairchild Semiconductor Corporation
FAN4800AS/CS/01S/02S • Rev. 1.0.1
10
www.fairchildsemi.com
 

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