NCP1030, NCP1031
TYPICAL CHARACTERISTICS
11.0
6.80
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
Startup Threshold
Minimum Operating Threshold
6.75
6.70
6.65
6.60
6.55
6.50
6.45
6.40
6.35
6.0
--50
--25
0
25
50
75
100
125 150
6.30
--50
--25
0
25
50
75
100
125
150
20.0
T J , JUNCTION TEMPERATURE ( ? C)
Figure 10. Supply Voltage Thresholds vs.
Junction Temperature
2.70
T J , JUNCTION TEMPERATURE ( ? C)
Figure 11. Undervoltage Lockout Threshold
vs. Junction Temperature
19.5
19.0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
V CC = V CC(on) -- 0.2 V
I START = 0.5 mA
2.65
2.60
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
V CC = 12 V
--50
--25
0
25
50
75
100
125
150
--50
--25
0
25
50
75
100
125
150
145
T J , JUNCTION TEMPERATURE ( ? C)
Figure 12. Minimum Startup Voltage vs.
Junction Temperature
840
T J , JUNCTION TEMPERATURE ( ? C)
Figure 13. Reference Voltage vs. Junction
Temperature
140
135
130
125
120
115
110
105
100
V CC = 12 V
V COMP = 2.5 V
V FB = 2.3 V
790
740
690
640
590
540
490
440
390
V CC = 12 V
V COMP = 2.5 V
V FB = 2.7 V
95
--50
--25
0
25
50
75
100
125 150
340
--50
--25
0
25
50
75
100
125 150
T J , JUNCTION TEMPERATURE ( ? C)
Figure 14. COMP Source Current vs. Junction
Temperature
http://onsemi.com
8
T J , JUNCTION TEMPERATURE ( ? C)
Figure 15. COMP Sink Current vs. Junction
Temperature
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