ncp3126 ON Semiconductor, ncp3126 Datasheet - Page 6

• Manufacturer Part Number: ncp3126
• Description: Ncp3126 3 A Synchronous Pwm Switching Converter
• Manufacturer: ON Semiconductor

100
3.5
2.5
1.5
0.5
95
90
85
80
75
70
65
60
55
50
3
2
1
0
0
25
Figure 11. Efficiency (V
3.3 V
Figure 13. Derating Curve 5 V/6 V Input
0.5
35
2.5 V
T
A
1.8 V
, AMBIENT TEMPERATURE
LOAD CURRENT (A)
1
45
1.5 V
Current
1.5
5.0 V Output
1.2 V
55
75.5
74.5
73.5
IN
2.5 V
Figure 10. Duty Cycle Maximum vs. Temperature
76
75
74
73
= 12 V) vs. Load
1.1 V
0
2
65
1.0 V
TYPICAL CHARACTERISTICS
1.8 V
10
1.2 V
2.5
T
V
V
75
0.8 V
J
CC
, JUNCTION TEMPERATURE (°C)
CC
http://onsemi.com
20
= 12 V
= 5 V
3
85
30
6
100
40
3.5
2.5
1.5
0.5
95
90
85
80
75
70
65
60
55
50
25
3
2
1
0
0
50
Figure 12. Efficiency (V
1.8 V
Figure 14. Derating Curve 12 V Input
35
0.5
60
T
1.5 V
A
, AMBIENT TEMPERATURE
2.5 V Output
45
LOAD CURRENT (A)
1
70
1.2 V
Current
55
1.5
1.1 V
IN
1.2 V & 1.8 V
= 5 V) vs. Load
5.0 V
65
2
1.0 V
75
2.5
0.8 V
3.3 V
85
3