SG6932 Fairchild Semiconductor, SG6932 Datasheet - Page 10

• 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
20.0
18.0
16.0
14.0
12.0
10.0
15.0
14.8
14.6
14.4
14.2
14.0
13.8
13.6
13.4
13.2
13.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
8.0
6.0
4.0
2.0
0.0
0.0
-40℃
-40℃
Figure 7. Start Threshold Voltage (V
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2
Figure 5. Startup (I
Figure 9. Duty Cycle vs. FB Voltage
-25℃
-25℃
-10℃
-10℃
5℃
5℃
20℃
20℃
vs. Temperature
Temperature ( ℃ )
Temperature (℃)
FB Voltage (V)
DD-ST
35℃
35℃
) vs. Temperature
50℃
50℃
65℃
65℃
80℃
80℃
TH-ON
95℃
95℃
110℃
110℃ 125℃
)
125℃
10
10.0
25.5
25.3
25.1
24.9
24.7
24.5
24.3
24.1
23.9
23.7
23.5
11.0
10.8
10.6
10.4
10.2
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
9.8
9.6
9.4
9.2
9.0
Figure 6. Minimum Operation Voltage (V
Figure 10. V
-40℃
-40℃
Figure 8. Startup Current vs. V
0
-25℃
-25℃
1
2
-10℃
-10℃
DD
3
OVP Threshold vs. Temperature
5℃
5℃
4
5
20℃
20℃
V
DD
vs. Temperature
Temperature (℃)
Temperature (℃)
6
Voltage (V)
35℃
35℃
7
50℃
50℃
8
9
65℃
65℃
10
DD
80℃
80℃
11
Voltage
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95℃
95℃
12
DD-MIN
13
110℃
110℃
14
)
125℃
125℃
15