NCP1031DR2 Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
NCP1031DR2
ON Semiconductor
NCP1031DR2 Datasheet PDF : 18 Pages
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NCP1030, NCP1031
TYPICAL CHARACTERISTICS
11.0
10.5
Startup Threshold
10.0
9.5
9.0
8.5
8.0
Minimum Operating Threshold
7.5
7.0
6.5
6.0
−50
−25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Supply Voltage Thresholds vs.
Junction Temperature
6.80
6.75
6.70
6.65
6.60
6.55
6.50
6.45
6.40
6.35
6.30
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 11. Undervoltage Lockout Threshold
vs. Junction Temperature
20.0
19.5
19.0
VCC = VCC(on) − 0.2 V
ISTART = 0.5 mA
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
−50 −25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 12. Minimum Startup Voltage vs.
Junction Temperature
145
140
135
130
125
120
115
110
105
100
95
−50
VCC = 12 V
VCOMP = 2.5 V
VFB = 2.3 V
−25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 14. COMP Source Current vs. Junction
Temperature
2.70
2.65
2.60
VCC = 12 V
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
−50 −25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 13. Reference Voltage vs. Junction
Temperature
840
790
VCC = 12 V
VCOMP = 2.5 V
740
VFB = 2.7 V
690
640
590
540
490
440
390
340
−50 −25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 15. COMP Sink Current vs. Junction
Temperature
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