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NCP1237 数据表(PDF) 13 Page - ON Semiconductor

部件名 NCP1237
功能描述  Fixed Frequency Current Mode Controller for Flyback Converters
PDF  41 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

NCP1237 数据表(HTML) 13 Page - ON Semiconductor

Back Button NCP1237_11 Datasheet HTML 9Page - ON Semiconductor NCP1237_11 Datasheet HTML 10Page - ON Semiconductor NCP1237_11 Datasheet HTML 11Page - ON Semiconductor NCP1237_11 Datasheet HTML 12Page - ON Semiconductor NCP1237_11 Datasheet HTML 13Page - ON Semiconductor NCP1237_11 Datasheet HTML 14Page - ON Semiconductor NCP1237_11 Datasheet HTML 15Page - ON Semiconductor NCP1237_11 Datasheet HTML 16Page - ON Semiconductor NCP1237_11 Datasheet HTML 17Page - ON Semiconductor Next Button
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NCP1237
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TYPICAL PERFORMANCE CHARACTERISTICS
TJ, JUNCTION TEMPERATURE (°C)
150
125
100
25
0
−50
2.42
2.44
2.46
2.48
2.50
Figure 34. Skip Thresholds vs. Junction
Temperature
Figure 35. Soft−Skip Timer Duration vs.
Junction Temperature
Figure 36. Latch OVP Threshold vs. Junction
Temperature
Figure 37. Latch OTP Threshold vs. Junction
Temperature
Figure 38. Latch OTP Current Source vs.
Junction Temperature
75
50
−25
TJ, JUNCTION TEMPERATURE (°C)
150
125
100
25
0
−50
70
75
80
85
95
75
50
−25
2.43
2.45
2.47
2.49
TJ, JUNCTION TEMPERATURE (°C)
150
125
100
25
0
−50
0.64
0.68
0.72
0.76
0.80
75
50
−25
90
0.66
0.70
0.74
0.78
TJ, JUNCTION TEMPERATURE (°C)
150
125
100
25
0
−50
0.74
0.76
0.78
0.80
75
50
−25
0.75
0.77
0.79
0.81
TJ, JUNCTION TEMPERATURE (°C)
150
125
100
25
0
−50
76
78
80
82
88
75
50
−25
84
86
TJ, JUNCTION TEMPERATURE (°C)
150
125
100
25
0
−50
46
50
54
58
66
75
50
−25
48
52
56
60
110
100
0.82
94
90
105
Vskip(in)
Vskip(out)
0.82
0.86
0.84
Figure 39. Blanking Time on OVP Detection vs.
Junction Temperature
125
115
0.83
0.84
92
62
120
96
98
64
135
130
2.52
2.54
2.51
2.53



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