NCP1234AD100R2G Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
NCP1234AD100R2G Datasheet PDF : 33 Pages
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NCP1234
TYPICAL PERFORMANCE CHARACTERISTICS
24
5.30
23
5.20
22
5.10
21
20
5.00
19
4.90
18
4.80
17
16
4.70
15
−50 −25
0
25 50 75
TEMPERATURE (C)
4.60
100 125
−50 −25
0
25 50 75
TEMPERATURE (C)
100 125
Figure 9. FB Pin Internal Pull−up Resistor
RFB(up)
Figure 10. FB Pin Open Voltage VFB(ref)
70
69
68
67
66
65
64
63
62
61
60
−50 −25
0
25 50 75
TEMPERATURE (C)
100 125
Figure 11. Oscillator Frequency fOSC
85
84
83
82
81
80
79
78
77
76
75
−50 −25
0
25
50
75
TEMPERATURE (C)
100 125
Figure 12. Maximum Duty Cycle DMAX
2.20
1.50
2.15
1.45
2.10
1.40
2.05
2.00
1.35
1.95
1.30
1.90
1.25
1.85
1.80
−50 −25 0
1.20
25
50
75 100 125
−50 −25 0
25 50 75 100 125
TEMPERATURE (C)
TEMPERATURE (C)
Figure 13. FB Pin Voltage Below Which
Frequency Foldback Starts VFB(foldS)
Figure 14. FB Pin Voltage Below Which
Frequency Foldback is Complete VFB(foldE)
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