ncp3127 ON Semiconductor, ncp3127 Datasheet - Page 6

• Manufacturer Part Number: ncp3127
• Description: Ncp3127 2 A Synchronous Pwm Switching Converter
• Manufacturer: ON Semiconductor

100
2.5
1.5
0.5
95
90
85
80
75
70
65
60
55
50
2
1
0
25
0
3.3 V
Figure 13. Derating Curve 5 V/6 V Input
Figure 11. Efficiency (V
0.2
35
0.8 V
0.4
T
A
2.5 V
, AMBIENT TEMPERATURE
0.6
1.0 V
LOAD CURRENT (A)
45
0.8
5.0 V Output
1.1 V
Current
55
1
75.5
74.5
73.5
1.2 V
Figure 10. Duty Cycle Maximum vs. Temperature
76
75
74
73
IN
1.2
= 12 V) vs. Load
0
65
1.5 V
1.4
TYPICAL CHARACTERISTICS
1.8 V
10
1.2 V
T
1.6
V
V
J
3.3 V
CC
75
CC
, JUNCTION TEMPERATURE (°C)
http://onsemi.com
1.8 V
20
= 12 V
= 5 V
1.8
85
2
30
6
2.5
1.5
0.5
100
40
95
90
85
80
75
70
65
60
55
50
2
1
0
25
0
Figure 12. Efficiency (V
50
0.2
0.8 V
Figure 14. Derating Curve 12 V Input
35
0.4
60
T
1.0 V
A
, AMBIENT TEMPERATURE
0.6
2.5 V Output
LOAD CURRENT (A)
45
70
1.1 V
0.8
Current
55
1
1.2 V
IN
1.2
= 5 V) vs. Load
1.5 V
65
1.2 V & 1.8 V
1.4
5.0 V
1.8 V
1.6
75
3.3 V
1.8
85
2