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FAN4800A View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
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FAN4800A
Fairchild
Fairchild Semiconductor Fairchild
FAN4800A Datasheet PDF : 24 Pages
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Electrical Characteristics (Continued)
VDD=15V, TA=25°C, RT=6.8k, CT=1000pF unless noted operating specifications.
Symbol
Parameter
Conditions
Voltage Error Amplifier
FBPFC Input Voltage Range(1)
Vref
Reference Voltage
AV
Open-Loop Gain(1)
Gmv
IFBPFC-L
Transconductance
Maximum Source Current
IFBPFC-H Maximum Sink Current
IBS
Input Bias Current
VVEA-H
Output High Voltage on
VVEA
VVEA-L
Output Low Voltage on
VVEA
Current Error Amplifier
VISENSE
Input Voltage Range
(ISENSE pin)(1)
GmI
Transconductance
VOFFSET Input Offset Voltage
VIEA-H
VIEA-L
Output High Voltage
Output Low Voltage
IL
Source Current
IH
Sink Current
AI
Open-Loop Gain(1)
Tri-Fault Detect
tFBPFC_OPEN Time to FBPFC Open(1)
VPFC-UVP
PFC Feedback Under-
Voltage Protection
Gain Modulator
IAC
Input for AC Current(1)
GAIN
GAIN Modulator(2)
BW
Vo(gm)
Bandwidth(1)
Output Voltage=5.7k×
(ISENSE-IOFFSET)(1)
at T=25°C
VNONINV=VINV, VVEA=3.75V at T=25°C
VFBPFC=2V, VVEA=1.5V
VFBPFC=3V, VVEA=6V
VNONINV=VINV, VIEA=3.75V
VVEA=0V, IAC Open
VISENSE=-0.6V, VIEA=1.5V
VISENSE=+0.6V, VIEA=4.0V
VFBPFC=VPFC-UVP to FBPFC OPEN,
470pF from FBPFC to GND
Multiplier Linear Range
IAC=17.67µA, VRMS=1.080V
VFBPFC=2.25V, at T=25°C
IAC=20µA, VRMS=1.224V VFBPFC=2.25V,
at T=25°C
IAC=25.69µA, VRMS=1.585V
VFBPFC=2.25V, at T=25°C
IAC=51.62µA, VRMS=3.169V
VFBPFC=2.25V, at T=25°C
IAC=62.23µA, VRMS=3.803V
VFBPFC=2.25V, at T=25°C
IAC=40µA
IAC=20µA, VRMS=1.224V VFBPFC=2.25V,
at T=25°C
Min. Typ. Max. Units
0
6
V
2.45 2.50 2.55 V
35
42
dB
50
70
90 µmho
40
50
µA
-50 -40 µA
-1
1
µA
5.8
6
V
0.1 0.4
V
-1.5
0.7
V
78
88 100 µmho
-10
10 mV
6.8 7.4 8.0
V
0.1 0.4
V
35
50
µA
-50 -35 µA
40
50
dB
2
4
ms
0.4 0.5 0.6
V
0
100 µA
7.50 9.00 10.50
6.30 7.00 7.70
3.80 4.20 4.60
0.95 1.05 1.16
0.66 0.73 0.80
2
kHz
0.74 0.82 0.90 V
© 2008 Fairchild Semiconductor Corporation
FAN4800A/C, FAN4801/1S/2/2L • Rev. 1.0.1
10
www.fairchildsemi.com
 

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