NCP1252 ON Semiconductor, NCP1252 Datasheet - Page 7

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

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140
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108
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500
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40
20
98
96
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92
50
0
0
−40
−40
0
Figure 10. Propagation Delay from CS to DRV
Figure 14. Oscillator Frequency vs. Oscillator
Figure 12. Oscillator Frequency vs. Junction
−20
−20
20
0
vs. Junction Temperature
0
TEMPERATURE (°C)
TEMPERATURE (°C)
Rt RESISTOR (kW)
20
20
Temperature
40
Resistor
40
40
60
60
60
80
80
TYPICAL CHARACTERISTICS
80
100
100
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120
120
100
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140
120
100
108
106
104
102
100
80
60
40
20
98
96
94
92
49
48
47
46
45
0
−40
10
10
Figure 15. Maximum Duty−cycle, A Version vs.
Figure 11. Propagation Delay from CS to DRV
Figure 13. Oscillator Frequency vs. Supply
−20
15
15
0
SUPPLY VOLTAGE Vcc (V)
SUPPLY VOLTAGE Vcc (V)
Junction Temperature
vs. Supply Voltage
TEMPERATURE (°C)
20
Voltage
40
20
20
60
80
25
25
100
120
30
30