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SG6980DZ Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part # SG6980DZ
Description  Single-Stage PFC Controller
Download  18 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

SG6980DZ Datasheet(HTML) 6 Page - Fairchild Semiconductor

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Product Specification
Single-Stage PFC Controller
SG6980
© System General Corp.
- 6 -
www.sg.com.tw • www.fairchildsemi.com
Version 1.0.1 (IAO33.0064.B0)
September 17, 2007
VRMS for UVP and RDY
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VRMS-UVP-1
RMS AC Voltage Under-Voltage Threshold
(with TUVP Delay)
0.75
0.80
0.85
V
VRMS-UVP-2
Recovery Level on VRMS for UVP Mode
VRMS-UVP-1
+0.18
VRMS-UVP-1
+0.20
VRMS-UVP-1
+0.22
V
tUVP
Under-Voltage Protection Propagation
Delay Time (No Delay at Start-up)
150
195
240
ms
Voltage Error Amplifier
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VREF
Reference Voltage
2.95
3
3.05
V
Av
Open-Loop Gain
60
dB
Zo
Output Impedance
110
KΩ
OVPFB
PFC Over-Voltage Protection on FB
1.066 •
VREF
1.083 •
VREF
1.100 •
VREF
V
△
OVPFB
PFC Feedback Voltage Protection
Hysteresis
60
90
120
mV
tOVP-PFC
Debounce Time of PFC OVP
40
70
120
µs
VFB-H
Clamp-High Feedback Voltage
1.033 •
VREF
1.050 •
VREF
1.066 •
VREF
V
GFB-H
Clamp-High Gain
500
µA/mV
VFB-L
Clamp-Low Feedback Voltage
0.916 •
VREF
0.950 •
VREF
0.966 •
VREF
V
GFB-L
Clamp-Low Gain
6.5
µA/mV
IFB-L
Clamp-Low Maximum Current
1.5
2
mA
UVPFB
PFC Feedback Under-Voltage Protection
0.35
0.40
0.45
V
tUVP-PFC
Debounce Time of PFC Feedback UVP
40
70
120
µs
Current Error Amplifier
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VOFFSET
Input Offset Voltage ((-) > (+))
8
mV
AI
Open-Loop Gain
60
dB
BW
Unit Gain Bandwidth
1.5
MHz
CMRR
Common-Mode Rejection Ratio
VCM = 0 ~ 1.5V
70
dB
VOUT-HIGH
Output High Voltage
3.2
V
VOUT-LOW
Output Low Voltage
0.2
V
IMR1, IMR2
Reference Current source
RI=24KΩ (IMR=20+IRI • 0.8)
50
70
µA
IL
Maximum Source Current
3
mA
IH
Maximum Sink Current
0.25
mA


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