SG6901ASZ Fairchild Semiconductor, SG6901ASZ Datasheet - Page 13

• Manufacturer Part Number: SG6901ASZ
• Description: IC PFC CTRLR AVERAGE CURR 20SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of SG6901ASZ

• Mode: Average Current
• Frequency - Switching: 65kHz
• Current - Startup: 10µA
• Voltage - Supply: 12 V ~ 20 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Output Voltage: 1.5 V to 8 V
• Switching Frequency: 65 KHz
• Operating Temperature Range: - 30 C to + 85 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 98 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2008 Fairchild Semiconductor Corporation
SG6901A • Rev. 1.0.2
Typical Performance Characteristics
110
PWM Open-Loop Protection Voltage (FB
4.80
4.68
4.56
4.44
4.32
4.20
Figure 19. PWM Open-Loop Protection Voltage
98
97
96
95
94
93
94
78
62
46
30
-40
-40
-40
Figure 17. PFC Maximum Duty Cycle
-25
-25
-25
Maximum Duty Cycle (DCY
Figure 21. OPWM Falling Time
Falling Time (t
-10
-10
-10
5
5
5
Temperature (°C)
Temperature (°C)
Temperature (°C)
20
20
20
F-PWM
35
35
35
) vs. Temperature
50
50
50
MAX
OPEN-LOOP
) vs. Temperature
65
65
65
80
80
80
) vs. Temperature
95
95
95
110
110
110
125
125
125
13
Figure 20. Peak Current Limit Threshold Voltage2
Peak Current Limit Threshold Voltage 2 (V
Figure 18. Peak Current Limit Threshold Voltage
Peak Current Limit Threshold Voltage 1 (V
0.75
0.73
0.71
0.69
0.67
0.65
PWM Maximum Duty Cycle (DCY
83
81
79
77
75
73
0.70
0.68
0.66
0.64
0.62
0.60
-40
-40
-40
Figure 22. PWM Maximum Duty Cycle
-25
-25
-25
-10
-10
-10
5
5
Temperature (°C)
5
Temperature (°C)
20
20
Temperature (°C)
20
35
35
35
MAXPWM
50
50
50
LIMIT-2
) vs. Temperature (°C)
LIMIT-1
65
65
65
) vs. Temperature
) vs. Temperature
80
80
80
95
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95
95
110
110
110
125
125
125