ncp1423 ON Semiconductor, ncp1423 Datasheet - Page 6

• Manufacturer Part Number: ncp1423
• Description: 400 Ma Sync-rect Pfm Stepup Dcdc Converter With Truecutoff And Ringkiller
• Manufacturer: ON Semiconductor

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