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FAN6982 Scheda tecnica(PDF) 7 Page - Fairchild Semiconductor

Il numero della parte FAN6982
Spiegazioni elettronici  CCM Power Factor Correction Controller
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Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN6982 Scheda tecnica(HTML) 7 Page - Fairchild Semiconductor

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© 2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6982 • Rev. 1.0.1
7
Electrical Characteristics (Continued)
Unless otherwise noted; VDD=15V, TA= 25°C, TA=TJ, RT=27kΩ, and CT=1000pF.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
Voltage Error Amplifier
VREF
Reference Voltage
2.45
2.50
2.55
V
AV
Open-Loop Gain
(3)
At TA=25°C
35
42
dB
GmV
Transconductance
VNONINV=VINV, VVEA=3.75V at TA=25°C
50
70
90
µmho
IFBPFC-L
Maximum Source Current
VFBPFC=2V, VVEA=1.5V
40
50
µA
IFBPFC-H
Maximum Sink Current
VFBPFC=3V, VVEA=6V
-50
-40
µA
IBS
Input Bias Current
-1
1
µA
VVEA-H
Output High Voltage on VVEA
5.8
6.0
V
VVEA-L
Output Low Voltage on VVEA
0.1
0.4
V
Current Error Amplifier
VISENSE
Input Voltage Range
-1.5
0.7
V
AI
Open-Loop Gain
(3)
At TA=25°C
40
50
dB
GmI
Transconductance
VNONINV=VINV, VIEA=3.75V
75
88
100
µmho
VOFFSET
Input Offset Voltage
VVEA=0V, IAC Open
-10
10
mV
VIEA-H
Output High Voltage
6.8
7.4
8.0
V
VIEA-L
Output Low Voltage
0.1
0.4
V
IL
Source Current
VISENSE= -0.6V, VIEA=1.5V
35
50
µA
IH
Sink Current
VISENSE= +0.6V, VIEA=4.0V
-50
-35
µA
PFC OVP Comparator
VFBPFC-OVP
Over Voltage Protection
2.70
2.75
2.80
V
VFBPFC-OVP PFC OVP Hysteresis
200
250
300
mV
Low-Power Detect Comparator
VVEA-OFF
VEA Voltage Off OPFC
0.2
0.3
0.4
V
PFC Soft-Start
VVEA_CLAMP
PFC Soft-Start
VFBPFC < 2.4V
2.2
2.8
3.3
V
EN Section
VEN-H
High Voltage Level of VEN
VEN=VVREF
7.4
7.5
7.6
V
VEN-L
Low Voltage Level of VEN
VEN=GND
0
V
Range
VVRMS-L
RMS AC Voltage Low
When VVRMS=1.95V at 132VRMS
1.90
1.95
20.00
V
VVRMS-H
RMS AC Voltage High
When VVRMS=2.45V at 150 VRMS
2.40
2.45
2.50
V
VVEA-L
VEA Low
When VVEA=1.95V at 30% Loading
1.90
1.95
2.00
V
VVEA-H
VEA High
When VVEA=2.45V at 40% Loading
2.40
2.45
2.50
V
ITC
Source Current from FBPFC
18
20
22
µA
Continued on the following page…


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