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NCP1207A Datasheet(PDF) 6 Page - ON Semiconductor

Part No. NCP1207A
Description  PWM Current−Mode Controller for Free Running Quasi−Resonant Operation
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1207A Datasheet(HTML) 6 Page - ON Semiconductor

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NCP1207A
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6
Figure 3. Internal IC Consumption (No Output
Load) versus Temperature
Figure 4. Internal IC Consumption (1.0 nF
Output Load) versus Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
125
100
75
50
25
0
−50
0.4
0.6
0.8
1.0
1.2
1.4
1.6
125
100
75
50
25
0
−50
1.1
1.3
1.5
1.7
1.9
2.1
2.3
Figure 5. VCC Increasing Level at which the
Current Source Turns−Off versus Temperature
Figure 6. VCC Decreasing Level at which the
Current Source Turns−On versus Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
125
100
75
50
25
0
−50
10.4
10.9
11.4
11.9
12.4
12.9
125
100
75
50
25
0
−50
8.8
9.3
9.8
10.3
10.8
Figure 7. Internal Startup Current Source at
VCC = 10 V versus Temperature
Figure 8. Source and Sink Resistance versus
Temperature
TEMPERATURE (°C)
125
100
75
50
25
0
−50
2
4
6
8
10
12
TEMPERATURE (°C)
125
100
75
50
25
0
−50
0
5
10
15
20
25
35
40
30
3
5
7
9
11
−25
−25
−25
−25
−25
−25
ROH
ROL


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