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NCP1031DR2G Datasheet(PDF) 8 Page - ON Semiconductor

Part # NCP1031DR2G
Description  Low Power PWM Controller with On--Chip Power Switch and Startup Circuits for 48 V Telecom Systems
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1031DR2G Datasheet(HTML) 8 Page - ON Semiconductor

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


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