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 thermal derating curves for Naos Raptor 40A modules at 2.5Vout and 25ºC.
100
95
40
35
30
25
20
15
10
25
35
45
55
65
O
90
85
Vin = 5V
Vin = 14V
Vin = 12V
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
2m/s
(400LFM)
1.5m/s
(300LFM)
1m/s
(200LFM)
0.5m/s
(100LFM)
NC
80
75
70
0
10
20
30
40
75
85
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 19. Converter Efficiency versus Output Current.
Figure 20. 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 21. Typical output ripple and noise (V
IN
= 12V, I
o
= I
o,max
).
ON/OFF VOLTAGE
V
ON/OFF
(V) (2V/div)
Figure 22. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=12V.
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
TIME, t (1ms/div)
V
O
(V) (1V/div)
V
O
(V) (1V/div)
V
IN
(V) (5V/div)
TIME, t (1ms/div)
Figure 23. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 24. Typical Start-up Using Input Voltage (V
IN
=
12V, I
o
= I
o,max
).
LINEAGE
POWER
8
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
