FAN6861 Fairchild Semiconductor, FAN6861 Datasheet - Page 8

• Manufacturer Part Number: FAN6861
• Description: A highly integrated PWM controller, FAN6861 provides several features to enhance the performance of flyback converters
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN6861 • Rev. 1.0.1
Typical Performance Characteristics
Figure 7. Operating Current (I
Figure 9. OCP Trigger Level (V
Figure 5. Turn-On Threshold Voltage (V
17.8
17.6
17.4
17.2
16.8
16.6
3.15
3.05
2.95
2.85
0.535
0.525
0.515
0.505
0.495
0.485
0.475
0.465
0.455
3.2
3.1
2.9
2.8
18
17
3
-40 ℃
-40 ℃
-40 ℃
-30 ℃
-30 ℃
-30 ℃
-15 ℃
-15 ℃
-15 ℃
V
I
V
DD-OP
DD-ON
OCP
vs. Temperature
0 ℃
0 ℃
0 ℃
vs Temperature (℃)
vs Temperature (℃)
vs Temperature (℃)
Temperature (℃)
Temperature (℃)
Temperature (℃)
25 ℃
25 ℃
25 ℃
50 ℃
50 ℃
50 ℃
DD-OP
OCP
75 ℃
75 ℃
) vs. Temperature
75 ℃
) vs. Temperature
85 ℃
85 ℃
85 ℃
DD-ON
100 ℃
100 ℃
100 ℃
)
125 ℃
125 ℃
125 ℃
8
Figure 6. Turn-Off Threshold Voltage (V
9.8
9.6
9.4
9.2
8.8
65.5
64.5
63.5
62.5
61.5
69.9
69.8
69.7
69.6
69.5
69.4
10
9
-40 ℃
66
65
64
63
62
61
70
-40 ℃
-40 ℃
Figure 10. Maximum Duty Cycle (DCY
Figure 8. Normal PWM Frequency (f
-30 ℃
-30 ℃
-30 ℃
-15 ℃
-15 ℃
-15 ℃
DCY
V
F
DD-OFF
OSC
MAX
0 ℃
vs. Temperature
vs. Temperature
vs. Temperature
0 ℃
0 ℃
vs Temperature (℃)
vs Temperature (℃)
vs Temperature (℃)
Temperature (℃)
Temperature (℃)
Temperature (℃)
25 ℃
25 ℃
25 ℃
50 ℃
50 ℃
50 ℃
75 ℃
75 ℃
75 ℃
85 ℃
85 ℃
85 ℃
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OSC
MAX
100 ℃
DD-OFF
100 ℃
100 ℃
)
)
125 ℃
125 ℃
125 ℃
)