NCP1282 Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
NCP1282 Datasheet PDF : 23 Pages
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NCP1282
10
9
8
7
6
5
4
3
2
1
0
−50
VAUX = 12 V
VUVOV = 2.3 V, Cout1 = Cout2 = 100 pF
VUVOV = 2.3 V, VEA = 0 V
VUVOV = 0 V
−25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 7. Auxiliary Supply Current
vs. Junction Temperature
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
Vin = 48 V
TJ = 25°C
4.0
fOSC [ 230 kHz
3.5
Cout1 = Cout2 = 100 pF
3.0
10 11 12 13 14 15 16 17 18 19 20
VAUX, POWER SUPPLY VOLTAGE (V)
Figure 8. Supply Current vs. Supply Voltage
3.2
3.1
OVERVOLTAGE
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
−50 −25
UNDERVOLTAGE
0 25 50 75
100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Line Under/Overvoltage Thresholds
vs. Junction Temperature
150
140
130
120
OVERVOLTAGE
110
100
90
UNDERVOLTAGE
80
70
60
50
−50 −25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Line Under/Overvoltage Hysteresis
vs. Junction Temperature
75
70
65
60
55
50
45
40
35
30
25
−50
VAUX = 12 V
VUVOV = 2.8 V
−25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 11. UVOV Offset Current
vs. Junction Temperature
50
45
VCC = 12 V
40
VSS = 0 V
VFF = 0.5 V
35
30
25
20
15
10
5
0
−50 −25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. FF Discharge Current
vs. Junction Temperature
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