sg6980 Fairchild Semiconductor, sg6980 Datasheet - Page 7

• Manufacturer Part Number: sg6980
• Description: Single Stage Pfc Controller
• Manufacturer: Fairchild Semiconductor

Single-Stage PFC Controller
Peak Current Limit
Symbol
I
V
t
t
Multiplier
Symbol
I
I
I
I
V
PFC Output Driver
Symbol
V
V
V
t
t
DCY
RDY Section
OTP Section
Symbol
I
V
V
T
© System General Corp.
Version 1.0.1 (IAO33.0064.B0)
Symbol
FB
I
V
t
t
P
PD-PFC
LEB-PFC
AC
MO–MAX
MO-1
MO–2
R
F
FB-RDY-high
RDY-delay time
RDY-UVP_delay time
OTP
OTP
PK
IMP
Z
OL
OH
OTP-OFF
OTP-ON
OL
-RDY-high
MAX
Parameter
Constant Current Output
Peak Current Limit Threshold Voltage
Cycle-by-Cycle Limit (V
Propagation Delay
Leading-Edge Blanking Time
Parameter
OTP Pin Output Current
OTP Threshold Voltage
Recovery Level on OTP
OTP Debounce Time
Parameter
Output Voltage Maximum (clamp)
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
Maximum Duty Cycle
Parameter
FB Voltage, RDY High Impedance
Input Leakage Current, RDY High
Impedance
Output Voltage Low, RDY Failed
Interval Between FB > 2.7V and RDY High
Impedance
Delay Time Between Gate off and RDY Pull
Low when UVP Occurs
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
sense
< V
pk
)
V
V
V
V
OUT = 2V to 9V
V
OUT = 9V to 2V
Test Conditions
FB=2.5V
I
Test Conditions
RI = 24KΩ
V
V
Test Conditions
Linear RDY
RI=24 KΩ
V
V
V
V
Test Conditions
Test Conditions
RI = 24KΩ
SINK
- 7 -
DD
DD
DD
DD
DD
RMS
RMS
RMS
EA
RMS
EA
=7.5V; RI=24KΩ
=7.5V; RI=24KΩ
=20V
= 15V; I
= 13V; I
= 15V; C
= 15V; C
=1mA
=1.05V; I
=3V; I
=1.05V
=3V
AC
O
O
=264µA;
L
L
= 100mA
= 100mA
AC
= 5nF;
= 5nF;
=90µA;
www.sg.com.tw • www.fairchildsemi.com
Min.
90
1.15
1.35
10
Min.
Min.
0
230
200
65
3.4
Min.
90
0.15
0.35
250
Min.
8
30
30
93
10
Product Specification
Typ.
100
1.20
1.40
Typ.
250
250
85
3.9
Typ.
2.7
4
Typ.
100
0.20
0.40
330
Typ.
15
70
50
September 17, 2007
Max. Unit
500
0.5
6
16
Max. Unit
110
1.25
1.45
40
Max. Unit
110
0.25
0.45
200
430
Max. Unit
360
4.4
Max. Unit
18
1.5
120
100
98
280
SG6980
V
µA
V
V
ns
ns
µA
µA
µA
µA
V
nA
V
ms
ms
V
V
V
ns
ns
%
µA
V
V
µs