?2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
SG6932 " Rev. 1.1.3
8
Electrical Characteristics (Continued)
V
DD
=15V, T
A
= 25癈 unless otherwise noted.
Symbol
Parameter
Conditions
Min.
Typ.
Max. Units
V
FBHIGH
Output High Voltage on V
EA
6
7
8
V
V
RD-FBPFC
Voltage Level on FBPFC to Enable OPWM During Start-up
2.6
2.7
2.8
V
t
UVP_PFC
Debounce Time of PFC UVP
40
70
120
約
Current Error Amplifier
V
OFFSET
Input Offset Voltage ((-) > (+))
8
mV
A
I
Open-loop Gain
60
dB
BW
Unit Gain Bandwidth
1.5
MHz
CMRR
Common-Mode Rejection Ratio V
CM
=0~1.5V
70
dB
V
OUT-HIGH
Output HIGH Voltage
3.2
V
V
OUT-LOW
Output LOW Voltage
0.2
V
I
MR1
,
I
MR2
Reference Current Source
R
I
=24k&
(I
MR
=20+I
RI
"0.8)
50
70
糀
I
L
Maximum Source Current
3
mA
I
H
Maximum Sink Current
0.25
mA
Peak Current Limit
I
P
Constant Current Output
R
I
=24k&
90
100
110
糀
V
RMS
=1.05V
0.15
0.20
0.25
V
pk
Peak Current Limit Threshold
Voltage Cycle-by-Cycle Limit
(V
sense
< V
pk
)
V
RMS
=3V
0.35
0.40
0.45
V
t
pkD
Propagation Delay
200
ns
t
Bnk
Leading-Edge Blanking Time
270
350
450
ns
Multiplier
I
AC
Input AC Current
Multiplier Linear Range
0
360
糀
I
MO-max
Maximum Multiplier Current
Output
R
I
=24k&
230
糀
I
MO-1
Multiplier Current Output
(Low-Line, High-Power)
V
RMS
=1.05V; I
AC
=90糀;
V
EA
=7.5V; R
I
=24k&
200
230
280
糀
I
MO-2
Multiplier Current Output
(High-Line, High-Power)
V
RMS
=3V; I
AC
=264糀;
V
EA
=7.5V; R
I
=24k&
65
85
糀
V
IMP
Voltage of IMP Open
3.4
3.9
4.4
V
PFC Output Driver
V
Z-PFC
Output Voltage Maximum
(Clamp)
V
DD
=20V
16
18
V
V
OL-PFC
Output Voltage Low
V
DD
=15V; I
O
=100mA
1.5
V
V
OH-PFC
Output Voltage High
V
DD
=13V; I
O
=100mA
8
V
t
R-PFC
Rising Time
V
DD
=15V; C
L
=5nF;
O/P= 2V to 9V
40
70
120
ns
t
F-PFC
Falling Time
V
DD
=15V; C
L
=5nF;
O/P= 9V to 2V
40
60
110
ns
DC
MAX
Maximum Duty Cycle
93
97
%
Continued on following page&
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