Characteristic curves, Naos, Continued) – GE Industrial Solutions NaOS NXA025 SIP User Manual
Page 8
Data Sheet
October 5, 2009
Naos
TM
NXA025 SIP Non-isolated Power Modules:
10 – 14Vdc Input; 0.8Vdc to 5.5Vdc Output; 25A output current
LINEAGE
POWER
8
Characteristic Curves
(continued)
The following figures provide typical thermal derating curves for NXA025A0X (Figures 19 and 20 show derating
curves with base plate).
0
5
10
15
20
25
30
20
30
40
50
60
70
80
1
00LFM
200LFM
300LFM
400LFM
0
5
10
15
20
25
30
20
30
40
50
60
70
80
1
00LFM
200LFM
300LFM
400LFM
O
U
T
P
UT
CU
RRE
NT
, I
o
(A
)
AMBIENT TEMPERATURE, T
A
O
C
O
U
T
P
UT
CU
RRE
NT
, I
o
(A
)
AMBIENT TEMPERATURE, T
A
O
C
Figure 15. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12Vdc,
Vo=1.2Vdc).
Figure 18. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12Vdc,
Vo=5.0 Vdc).
0
5
10
15
20
25
30
20
30
40
50
60
70
80
1
00LFM
200LFM
300LFM
400LFM
0
5
10
15
20
25
30
20
30
40
50
60
70
80
200 LFM
100 LFM
O
U
TP
UT
CU
RRE
NT
, Io
(A
)
AMBIENT TEMPERATURE, T
A
O
C
O
U
TP
UT
CU
RRE
NT
, Io
(A
)
AMBIENT TEMPERATURE, T
A
O
C
Figure 16. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12Vdc,
Vo=1.8 Vdc).
Figure 19. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12Vdc,
Vo=3.3 Vdc) with baseplate.
0
5
10
15
20
25
30
20
30
40
50
60
70
80
1
00LFM
200LFM
300LFM
400LFM
0
5
10
15
20
25
30
20
30
40
50
60
70
80
200 LFM
100 LFM
300 LFM
400 LFM
OUT
P
UT
C
URR
E
N
T, Io
(
A
)
AMBIENT TEMPERATURE, T
A
O
C
OUT
P
UT
C
URR
E
N
T, Io
(
A
)
AMBIENT TEMPERATURE, T
A
O
C
Figure 17. Derating Output Current versus Local
Ambient Temperature and Airflow
(Vin = 12Vdc,
Vo=3.3 Vdc).
Figure 20. Derating Output Current versus Local
Ambient Temperature and Airflow (Vin = 12Vdc,
Vo=5.0 Vdc) with baseplate.