FAN6747 Fairchild Semiconductor, FAN6747 Datasheet - Page 11

• Manufacturer Part Number: FAN6747
• Description: The highly integrated FAN6747 PWM controller provides several features to enhance the performance of flyback converters
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN6747 • Rev. 1.0.3
Typical Performance Characteristics
Figure 24. Over-Temperature Protection Threshold
Figure 20. FB Open-Loop Trigger Level (V
Figure 22. V
Figure 26. Brown-In (V
5.5
4.5
3.5
27
26
25
24
23
1.2
1.1
0.9
0.8
124
122
120
118
116
114
112
110
108
106
104
6
5
4
3
1
-40
-40
-40
-40
Voltage (V
-25
-25
-25
-25
DD
-10
-10
-10
-10
Over-Voltage Protection (V
vs. Temperature
vs. Temperature
5
5
5
5
OTP
Temperature (℃ )
Temperature (℃ )
20
Temperature (℃ )
Temperature (℃ )
20
20
20
) vs. Temperature
35
35
35
35
IN-ON
50
50
50
50
) vs. Temperature
65
65
65
65
80
80
80
80
95
95
95
95
110
110
110
110
DD-OVP
FB-OLP
125
125
125
125
)
)
11
Figure 25. Over-Temperature Protection Threshold
Figure 21. Debounce Time of FB Pin Open-Loop
Figure 27. Brownout (V
Figure 23. Output Current from RT Pin (I
300
285
270
255
240
225
210
195
180
165
150
120
115
110
105
100
0.9
0.8
0.7
0.6
0.5
120
118
116
114
112
110
108
106
104
102
100
95
90
85
80
75
70
98
96
94
92
90
-40
-40
-40
-40
Protection (t
Voltage (V
-25
-25
-25
-25
-10
-10
-10
-10
vs. Temperature
5
5
5
5
OTP2
D-OLP
Temperature (℃ )
Temperature (℃ )
Temperature (℃ )
20
Temperature (℃ )
20
20
20
) vs. Temperature
) vs. Temperature
35
35
35
35
IN-OFF
50
50
50
50
) vs. Temperature
65
65
65
65
80
80
80
80
95
95
95
95
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110
110
110
110
RT
)
125
125
125
125