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NCP1252BDR2G Datasheet(PDF) 9 Page - ON Semiconductor

Part # NCP1252BDR2G
Description  Current Mode PWM Controller for Forward and Flyback Applications
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1252BDR2G Datasheet(HTML) 9 Page - ON Semiconductor

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TYPICAL CHARACTERISTICS
Figure 20. Maximum Duty−cycle, C Version vs.
Junction Temperature
TEMPERATURE (
°C)
100
80
60
40
20
0
−20
−40
0
2
4
6
8
10
12
14
TEMPERATURE (
°C)
SUPPLY VOLTAGE Vcc (V)
100
80
60
40
20
0
−20
−40
10
12
14
16
20
30
25
20
15
10
10
12
14
16
18
20
TEMPERATURE (
°C)
100
80
60
40
20
0
−20
−40
0
0.1
0.2
0.4
0.5
0.7
0.9
1.0
120
ROH
ROL
120
18
0.3
0.6
0.8
120
TEMPERATURE (
°C)
100
80
60
40
20
0
−20
−40
44.0
44.5
45.0
45.5
46.0
47.0
120
46.5
Figure 21. Maximum Duty−cycle, D Version vs.
Junction Temperature
Figure 22. Drive Sink and Source Resistances
vs. Junction Temperature
Figure 23. Drive Clamping Voltage vs.
Junction Temperature
Figure 24. Drive Clamping Voltage vs. Supply
Voltage
Figure 25. Skip Cycle Threshold vs. Junction
Temperature
TEMPERATURE (
°C)
100
80
60
40
20
0
−20
−40
61
62
63
64
65
67
68
69
120
66


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