SG6902 Fairchild Semiconductor, SG6902 Datasheet - Page 7

• Manufacturer Part Number: SG6902
• Description: Green-Mode PFC / Flyback-PWM Controller
• Manufacturer: Fairchild Semiconductor

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Green-Mode PFC / Flyback-PWM Controller
Current Error Amplifier
Symbol
V
A
BW
CMRR
V
V
I
I
I
Peak Current Limit
Symbol
I
V
T
T
Multiplier
Symbol
I
V
I
I
I
V
PFC Output Driver
Symbol
V
T
V
V
T
T
DC
© System General Corp.
Version 1.3.1 (IAO33.0022.B3)
MR1
L
H
P
AC
MO–MAX
MO-1
MO–2
PD-PFC
BNK-PFC
PFC
R-PFC
F-PFC
OFFSET
I
OUT-HIGH
OUT-LOW
PK
DROP
IMP
Z-PFC
OL-PFC
OH-PFC
*1
MAX-PFC
, I
*1
MR2
*1
*1
Parameter
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
Parameter
Constant Current Output
Peak Current Limit Threshold Voltage
Cycle-by-Cycle Limit (V
Propagation Delay
Leading-Edge Blanking Time
Parameter
Input AC Current
Voltage Drop from the IAC Pin to VDD
Maximum Multiplier Current Output
Multiplier Current Output
(Low-line, High-power)
Multiplier Current Output
(High-line, High-power)
Voltage of IMP Open
Parameter
Output Voltage Maximum (Clamp)
Interval OPFC Lags Behind OPWM at
Start-up
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
Maximum Duty Cycle
SENSE
< V
PK
)
Test Conditions
V
R
Test Conditions
R
V
V
Test Conditions
Multiplier Linear Range
I
R
V
V
V
V
Test Conditions
V
R
V
V
V
9V
V
2V
AC
- 7 -
CM
I
I
RMS
RMS
I
RMS=
EA
RMS=
EA=
DD=
I
DD=
DD=
DD=
DD=
=24kΩ (I
=24kΩ
=24 kΩ
=24kΩ
=240µA
=7.5V; R
=0 to +1.5V
7.5V; R
20V
15V; I
13V; I
15V; C
15V; C
=1.05V
=3V
1.05V; I
3V; I
AC=
O
O
MR=
=100mA
=100mA
L=
L=
I
=24kΩ
I
=24kΩ
264µA;
5nF; OPFC=2V to
5nF; OPFC=9V to
AC=
20+I
90µA;
RI
•0.8)
www.sg.com.tw • www.fairchildsemi.com
0
Min.
3.2
50
Min.
90
0.15
0.35
270
Min.
200
65
3.4
Min.
9.0
8
40
40
93
Typ.
250
250
85
3.9
Typ.
16
11.5
70
60
Typ.
8
60
1.5
70
3
0.25
Typ.
100
0.20
0.40
350
Product Specification
Max.
0.2
70
Max.
110
0.25
0.45
200
450
Max.
360
3.5
280
4.4
Max.
18
14.0
1.5
120
110
98
September, 2007
SG6902
Unit
mV
dB
MHz
dB
V
V
µA
mA
mA
Unit
µA
V
V
ns
ns
Unit
µA
V
µA
µA
µA
V
Unit
V
ms
V
V
ns
ns
%