NCP1423 Datasheet, PDF (6/13 Pages) ON Semiconductor – 400 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer

NCP1423
TYPICAL OPERATING CHARACTERISTICS
6
V_OUT = 3.3 V
5
15.0
12.5
V_OUT = 3.3 V
4
10.0
3
7.5
2
5.0
1
2.5
0−50
−25
0
25
50
75
100
T_A, AMBIENT TEMPERATURE (°C)
Figure 9. LBI Input Current vs. Temperature
0.0−50
−25
0
25
50
75
100
T_A, AMBIENT TEMPERATURE (°C)
Figure 10. Shutdown Current vs. Temperature
175
0.53
V_OUT = 3.3 V
150
0.52
125
0.51
100
0.50
75
0.49
50
0.48
25
−50
−25
0
25
50
75
100
T_A, AMBIENT TEMPERATURE (°C)
Figure 11. ADEN Pin Input Current vs.
Temperature
2.0
V_OUT = 3.3 V
1.8
0.47−50
−25
0
25
50
75
100
T_A, AMBIENT TEMPERATURE (°C)
Figure 12. Feedback Threshold Voltage vs.
Temperature
0.26
0.24
V_OUT = 3.3 V
1.6
0.22
1.4
0.20
1.2
0.18
1.0
0.16
0.8
−50
−25
0
25
50
75
100
T_A, AMBIENT TEMPERATURE (°C)
Figure 13. L_X Switch Maximum ON Time vs.
Temperature
0.14
−50
−25
0
25
50
75
100
T_A, AMBIENT TEMPERATURE (°C)
Figure 14. L_X Switch Minimum OFF Time vs.
Temperature
http://onsemi.com
6