Efficiency, Figure 38. efficiency: v, Figure 40. efficiency: v – GE Industrial Solutions Zephyr Non-Isolated SMT User Manual
Page 15
Zephyr Non-Isolated SMT DC-DC Power Module:
0.8V to 3.5V @ 20A Output, 5V to 12V Input
LINEAGE
POWER
15
Data Sheet
March 31, 2010
Efficiency
Figures 38 – 41 show typical efficiency charts for 12V and 5V input voltages, at different output voltages, and
with different ambient temperatures and airflow.
Figure 38. Efficiency: V
IN
= 12V, 25
°C, no airflow Figure 39. Efficiency: V
IN
= 12V, 60
°C, 300 LFM
Figure 40. Efficiency: V
IN
= 5V, 25
°C, no airflow Figure 41. Efficiency: V
IN
= 5V, 60
°C, 300 LFM
50
55
60
65
2
4
6
8
10
12
14
16
18
20
Output Current [A]
70
75
80
85
90
Total Efficiency
[%]
0.8 Vout
1.3 Vout
1.5 Vout
1.8 Vout
2 Vout
2.5 Vout
3.3 Vout
50
55
60
65
70
75
80
85
2
4
6
8
10
12
14
16
18
T
o
tal
E
ffi
ci
ency
[%]
Output Current [A]
90
0.8 Vout
1.3 Vout
1.5 Vout
1.8 Vout
2 Vout
2.5 Vout
3.3 Vout
60
65
70
75
80
85
90
95
2
4
6
8
10
12
14
16
18
20
Total Efficiency
[%]
Output Current [A]
0.8 Vout
1.3 Vout
1.5 Vout
1.8 Vout
2 Vout
2.5 Vout
3.3 Vout
60
65
70
75
80
85
90
95
2
4
6
8
10
12
14
16
18
20
T
o
tal
E
ffi
ci
ency
[%]
Output Current [A]
0.8 Vout
1.3 Vout
1.5 Vout
1.8 Vout
2 Vout
2.5 Vout
3.3 Vout