SG6932 Fairchild Semiconductor, SG6932 Datasheet - Page 12

• Manufacturer Part Number: SG6932
• Description: The highly integrated SG6932 is designed for power supplies with boost PFC and forward PWM
• Manufacturer: Fairchild Semiconductor

© 2007 Fairchild Semiconductor Corporation
SG6932 • Rev. 1.1.3
Typical Characteristics
Figure 21. PWM Open-Loop Protection Delay Time
Figure 19. PWM Open-Loop Protection Voltage
120
115
110
105
100
66.0
65.5
65.0
64.5
64.0
63.5
63.0
62.5
62.0
4.80
4.75
4.70
4.65
4.60
4.55
4.50
4.45
4.40
4.35
4.30
4.25
4.20
95
90
85
80
-40℃
-40℃
Figure 17. Maximum Duty Cycle (SS=6V)
-40℃
-25℃
-25℃
-25℃
-10℃
-10℃
-10℃
5℃
5℃
5℃
20℃
20℃
20℃
Figure 23. Peak Current Limit Threshold Voltage vs. Temperature
vs. Temperature
vs. Temperature
vs. Temperature
Temperature (℃)
Temperature (℃)
Temperature (℃)
35℃
35℃
35℃
50℃
50℃
50℃
(Continued)
0.75
0.74
0.73
0.72
0.71
0.70
0.69
0.68
0.67
0.66
0.65
65℃
65℃
65℃
-40℃
80℃
80℃
80℃
-25℃
95℃
95℃
95℃
-10℃
110℃
110℃
110℃
5℃
125℃
125℃
125℃
20℃
Temperature (℃)
12
35℃
50℃
55
54
53
52
51
50
49
48
47
46
45
120.0
110.0
100.0
110.0
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
-40℃
65℃
-40℃
-40℃
Figure 18. Rising Time vs. Temperature
Figure 22. Constant Current Output for
Figure 20. Fall Time vs. Temperature
-25℃
80℃
-25℃
-25℃
-10℃
95℃
-10℃
-10℃
5℃
110℃
Soft-start vs. Temperature
5℃
5℃
20℃
125℃
20℃
20℃
Temperature (℃)
Temperature (℃)
Temperature (℃)
35℃
35℃
35℃
50℃
50℃
50℃
65℃
65℃
65℃
80℃
80℃
80℃
95℃
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95℃
95℃
110℃
110℃
110℃
125℃
125℃
125℃