Data Sheet
July 28, 2009
Naos Raptor 20A: Non Isolated Power Module:
4.5 – 14Vdc input; 0.59Vdc to 6Vdc Output; 20A output current
Characteristic Curves
The following figures provide typical characteristics for the Naos Raptor 20A modules at 0.6Vout and 25ºC.
90
85
22
20
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
80
Vin = 6V
75
70
65
60
0
5
10
15
20
Vin = 4.5V
Vin = 9V
18
16
14
12
10
8
25
35
45
55
65
O
2m/s
(400LFM)
1m/s
(200LFM)
NC
0.5m/s
(100LFM)
1.5m/s
(300LFM)
75
85
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 1. Converter Efficiency versus Output Current.
Figure 2. Derating Output Current versus Ambient
Temperature and Airflow.
OUTPUT VOLTAGE
OUTPUT CURRENT,
V
O
(V) (200mV/div)
I
O
(A) (5Adiv)
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
TIME, t (1μs/div)
TIME, t (100μs /div)
Figure 3. Typical output ripple and noise (V
IN
= 9V, I
o
=
I
o,max
).
ON/OFF VOLTAGE
Figure 4. Transient Response to Dynamic Load
Change from 0% to 50% to 0% with V
IN
=9V.
V
ON/OFF
(V) (2V/div)
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (200mV/div)
TIME, t (1ms/div)
V
O
(V) (200mV/div)
V
IN
(V) (5V/div)
TIME, t (1ms/div)
Figure 5. Typical Start-up Using On/Off Voltage (I
o
=
I
o,max
).
Figure 6. Typical Start-up Using Input Voltage (V
IN
=
9V, I
o
= I
o,max
).
LINEAGE
POWER
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
