Data Sheet
July 29, 2009
Naos Raptor 40A Non Isolated Power Module:
5 – 13.8Vdc input; 0.6Vdc to 5.0Vdc Output; 40A output current
Characteristic Curves (continued)
The following figures provide typical characteristics for the Naos Raptor 40A modules at 1.8Vout and at 25ºC.
95
40
35
30
25
20
15
10
25
35
45
55
65
O
EFFICIENCY,
η
(%)
Vin = 5V
85
Vin = 14V
80
Vin = 12V
OUTPUT CURRENT, Io (A)
90
2m/s
(400LFM)
`
75
1.5m/s
(300LFM)
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
70
0
10
20
30
40
75
85
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 13. Converter Efficiency versus Output Current.
Figure 14. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
OUTPUT CURRENT,
V
O
(V) (200mV/div)
I
O
(A) (10Adiv)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (40μs /div)
Figure 15. Typical output ripple and noise (V
IN
= 12V, I
o
= I
o,max
).
ON/OFF VOLTAGE
V
ON/OFF
(V) (2V/div)
Figure 16. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=12V.
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (1V/div)
TIME, t (1ms/div)
V
O
(V) (1V/div)
V
IN
(V) (5V/div)
TIME, t (1ms/div)
Figure 17. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 18. Typical Start-up Using Input Voltage (V
IN
=
12V, I
o
= I
o,max
).
LINEAGE
POWER
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
