SG6932 Fairchild Semiconductor, SG6932 Datasheet - Page 8

• Manufacturer Part Number: SG6932
• Description: The highly integrated SG6932 is designed for power supplies with boost PFC and forward PWM
• Manufacturer: Fairchild Semiconductor

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