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| FAN6861 Datasheet, PDF (8/15 Pages) Fairchild Semiconductor – Low-Cost, Highly Integrated, Green-Mode PWM Controller for Peak Power Management | |||
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Typical Performance Characteristics
VDD-ON vs Temperature (â)
18
17.8
17.6
17.4
17.2
17
16.8
16.6
-40â
-30â
-15â
0â
25â 50â 75â
Temperature (â)
85â 100â 125â
Figure 5. Turn-On Threshold Voltage (VDD-ON)
vs. Temperature
VDD-OFF vs Temperature (â)
10
9.8
9.6
9.4
9.2
9
8.8
-40â
-30â
-15â
0â 25â 50â 75â
Temperature (â)
85â 100â 125â
Figure 6. Turn-Off Threshold Voltage (VDD-OFF)
vs. Temperature
IDD-OP vs Temperature (â)
3.2
3.15
3.1
3.05
3
2.95
2.9
2.85
2.8
-40â
-30â
-15â
0â
25â 50â 75â
Temperature (â)
85â 100â 125â
Figure 7. Operating Current (IDD-OP) vs. Temperature
FOSC vs Temperature (â)
66
65.5
65
64.5
64
63.5
63
62.5
62
61.5
61
-40â
-30â
-15â
0â 25â 50â 75â
Temperature (â)
85â 100â 125â
Figure 8. Normal PWM Frequency (fOSC)
vs. Temperature
VOCP vs Temperature (â)
0.535
0.525
0.515
0.505
0.495
0.485
0.475
0.465
0.455
-40â
-30â
-15â
0â 25â 50â 75â
Temperature (â)
85â 100â 125â
Figure 9. OCP Trigger Level (VOCP) vs. Temperature
© 2009 Fairchild Semiconductor Corporation
FAN6861 ⢠Rev. 1.0.1
8
DCYMAX vs Temperature (â)
70
69.9
69.8
69.7
69.6
69.5
69.4
-40â
-30â
-15â
0â 25â 50â 75â
Temperature (â)
85â 100â 125â
Figure 10. Maximum Duty Cycle (DCYMAX)
vs. Temperature
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