SG6901 Fairchild Semiconductor, SG6901 Datasheet - Page 12

• Manufacturer Part Number: SG6901
• Description: The highly integrated SG6901A is designed for power supplies with boost PFC and flyback PWM
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
SG6901A • Rev. 1.0.2
Typical Performance Characteristics
Figure 11. High V
Figure 13. Low V
High VRMS Threshold for RANGE Comparator (V
2.00
1.98
1.96
1.94
1.92
1.90
3.30
3.28
3.26
3.24
3.22
3.20
1.65
1.63
1.61
1.59
1.57
1.55
-40
-40
-40
Figure 15. PFC OVP Threshold Voltage
PFC Over-Voltage Protection (OVP
Low VRMS Threshold for RANGE Comparator (V
-25
-25
-25
-10
-10
-10
RMS
RMS
5
5
5
Threshold for RANGE Comparator
Threshold for RANGE Comparator
Temperature (°C)
Temperature (°C)
20
20
Temperature (°C)
20
vs. Temperature
35
35
35
50
50
50
65
65
PFC
65
RMS-H
) vs. Temperature
80
80
80
) vs. Temperature
95
95
95
RMS-L
110
110
110
)
125
125

125
12
3.05
3.03
3.01
2.99
2.97
2.95
120
104
110
96
82
68
54
40
88
72
56
40
-40
-40
-40
-25
-25
-25
Figure 16. OPFC Falling Time
Figure 12. Reference Voltage
Figure 14. OPFC Rising Time
Reference Voltage (V
Falling Time (t
-10
-10
-10
Rising Time (t
5
5
5
Temperature (°C)
Temperature (°C)
Temperature (°C)
20
20
20
F-PFC
R-PFC
35
35
35
) vs. Temperature (°C)
REF
) vs. Temperature
50
50
50
) vs. Temperature
65
65
65
80
80
80
95
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95
95
110
110
110
125
125
125