NCP1252 ON Semiconductor, NCP1252 Datasheet - Page 9

• Manufacturer Part Number: NCP1252
• Description: Flyback Applications
• Manufacturer: ON Semiconductor

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1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
5.0
4.5
4.0
3.5
3.0
−40
10
Figure 24. Brown Out Voltage Threshold vs.
Figure 22. Soft Start Completion Voltage
−20
Threshold vs. Junction Temperature
15
0
SUPPLY VOLTAGE Vcc (V)
TEMPERATURE (°C)
Supply Voltage
20
12.0
10.5
10.0
11.5
11.0
9.5
9.0
8.5
8.0
20
40
10
Figure 26. Internal Brown Out Current Source
60
TYPICAL CHARACTERISTICS
80
25
15
SUPPLY VOLTAGE Vcc (V)
100
vs. BO Pin Voltage
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120
30
20
9
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
12.0
10.5
10.0
11.5
11.0
9.5
9.0
8.5
8.0
−40
−40
Figure 25. Internal Brown Out Current Source
Figure 23. Brown Out Voltage Threshold vs.
25
−20
−20
0
0
vs. Junction Temperature
Junction Temperature
30
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
40
40
60
60
80
80
100
100
120
120