SG6905 Fairchild Semiconductor, SG6905 Datasheet - Page 7

• Manufacturer Part Number: SG6905
• Manufacturer: Fairchild Semiconductor

Green mode PFC/Flyback-PWM Controller
Peak Current Limit
Symbol
I
V
t
t
Multiplier
Symbol
I
I
I
I
V
PFC Oscillator
Symbol
F
F
F
PFC Output Driver
Symbol
V
V
t
V
t
t
DCY
PFC On/Off
Symbol
I
V
t
© System General Corp.
Version 1.1.1 (IAO33.0060.B1)
P
PD-PFC
LEB-PFC
AC
MO–max
MO-1
MO–2
PFC
R-PFC
F-PFC
ON/OFF
PFC_ON
OSC
DV
DT
PK
IMP
Z
OL-PFC
OH-PFC
OFF
MAX
Parameter
Constant Current Output
Peak Current Limit Threshold Voltage
Cycle-by-Cycle Limit (V
Propagation Delay
Leading Edge Blanking Time
Parameter
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
Parameter
PFC Frequency
Frequency Variation versus V
Frequency Variation versus Temp. Deviation
Parameter
Output Voltage Maximum (Clamp)
Output Voltage Low
The interval of OPFC lags behind OPWM at
startup
Output Voltage High
Rising Time
Falling Time
Maximum Duty Cycle
Parameter
Constant Current Output for PFC_ON pin
Turn-off Threshold Voltage
Debounce Time of PFC_On/Off
SENSE
< V
DD
PK
Deviation
)
Test Conditions
RI= 24KΩ
Test Conditions
RI= 24KΩ
Test Conditions
Test Conditions
RI= 24KΩ
RI= 24KΩ
VRMS= 1.05V
VRMS= 3V
Multiplier Linear Range
V
VEA= 7.5V;RI= 24 KΩ
V
V
V
V
V
V
O/P= 2V to 9V
V
O/P= 9V to 2V
Test Conditions
RI= 24KΩ
V
T
RMS
RMS
EA
DD
DD
DD
DD
DD
DD
A
= -20 to 85°C
= 7.5V;RI= 24 KΩ
= 20V
= 15V; I
= 13V; I
= 15V; C
= 15V;C
= 11 to 20V
- 7 -
= 1.05V; I
= 3V; I
AC
O
O
L
= 100mA
= 100mA
L
= 5nF;
= 264µA;
= 5nF;
AC
= 90µA;
www.sg.com.t w • www.fairchildsemi.com
Min.
90
0.15
0.35
70
Min.
0
200
65
3.4
Min.
62
Min.
8
8
40
40
93
Min.
44
2
40
Typ.
100
0.2
0.4
120
Typ.
250
250
85
3.9
Typ.
65
Typ.
16
11
70
60
Typ.
50
2.45
70
Product Specification
September 27, 2007
Max.
110
0.25
0.45
200
170
Max.
360
280
4.4
Max.
68
2
2
Max.
18
1.5
13.5
120
110
98
Max.
56
2.9
120
SG6905
Unit
µA
V
V
ns
ns
Unit
µA
µA
µA
µA
V
Unit
KHz
%
%
Unit
V
V
ms
V
ns
ns
%
Unit
µA
V
µs