NCP1247(2013) Ver la hoja de datos (PDF) - ON Semiconductor
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NCP1247 Datasheet PDF : 42 Pages
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NCP1247
TYPICAL CHARACTERISTIC
0.75
0.74
0.73
0.72
0.71
0.70
0.69
0.68
0.67
0.66
0.65
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 9. Maximum Internal Current Setpoint
VILIM
1.15
1.13
1.11
1.09
1.07
1.05
1.03
1.01
0.99
0.97
0.95
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 11. Threshold for Immediate Fault
Protection Activation VCS(stop)
310
308
306
304
302
300
298
296
294
292
290
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 10. Frozen Current Setpoint VI(freeze) for
the Light Load Operation
110
100
90
80
70
60
50
40
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 12. Propagation Delay tdelay
300
290
280
270
260
250
240
230
220
210
200
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 13. Leading Edge Blanking Duaration
tLEB
130
125
120
115
110
105
100
−50 −25
0
25
50
75 100 125
TEMPERATURE (°C)
Figure 14. Maximum Overpower
Compensating Current IOPC(365) Flowing Out
of CS Pin
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