NCP1406
TYPICAL CHARACTERISTICS
1.22
1.20
1.18
1.16
1.14
100
90
80
70
V
V
= 3.0 V
= 0 V
DD
FB
V
= 3.0 V
75
DD
60
−50
−50
−25
0
25
50
100
100
100
−25
0
25
50
75
100
100
100
T , AMBIENT TEMPERATURE (°C)
T , AMBIENT TEMPERATURE (°C)
A
A
Figure 17. Feedback Voltage versus
Ambient Temperature
Figure 18. Maximum Duty Cycle versus
Ambient Temperature
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.18
0.16
0.14
0.12
0.10
0.08
V
DD
= 3.0 V
V
= 3.0 V
DD
−50
−25
0
25
50
75
−50
−25
0
25
50
75
T , AMBIENT TEMPERATURE (°C)
T , AMBIENT TEMPERATURE (°C)
A
A
Figure 19. Maximum On Time versus
Ambient Temperature
Figure 20. Minimum Off Time versus
Ambient Temperature
1000
900
800
700
600
500
25
20
15
10
5
V
V
= V = 3.0 V
DD
FB
CE
= 0 V
V
DD
= V = V = 3.0 V
CE FB
0
−50
−25
0
25
50
75
−50
−25
0
25
50
75
T , AMBIENT TEMPERATURE (°C)
A
T , AMBIENT TEMPERATURE (°C)
A
Figure 22. Operating Current 2 versus
Ambient Temperature
Figure 21. Operating Current 1 versus
Ambient Temperature
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