Data Sheet
March 4, 2009
EQW010-040 Series Power Modules
36 – 75Vdc Input; 1.0 to 12Vdc Output; 10 to 40A Output Current
Characteristic Curves
The following figures provide typical characteristics for the EQW010A0B (12V, 10A) at 25
o
C. The figures are
identical for either positive or negative remote On/Off logic.
95
12
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
90
85
80
Vin = 75V
75
70
0
2
4
6
8
OUTPUT CURRENT, I
O
(A)
10
Vin = 36V
Vin = 48V
10
8
6
4
2
0
20
30
40
50
60
70
O
NC
0.5 m/s
(100 LFM)
1.0 m/s
(200 LFM) 2.0 m/s
(400 LFM)
80
90
AMBIENT TEMPERATURE, T
A
C
Figure 1. Converter Efficiency versus Output Current.
Figure 4. Derating Output Current versus Local
Ambient Temperature and Airflow (direction shown
in Figure 63).
On/Off VOLTAGE OUTPUT VOLTAGE
V
O
(V) (5V/div)
V
On/off
(V) (5V/div)
OUTPUT VOLTAGE
V
O
(V) (50mV/div)
TIME, t (1μs/div)
TIME, t (5ms/div)
Figure 2. Typical output ripple and noise (V
IN
= V
IN,NOM
,
I
o
= I
o,max
).
Figure 5. Typical Start-up Using Remote On/Off,
negative logic version, (V
IN
= V
IN,NOM
, I
o
= I
o,max
)
[where
input voltage has not been applied in the previous 1 second, see
page 5].
OUTPUT VOLTAGE
V
O
(V) (200mV/div)
OUTPUT VOLTAGE
INPUT VOLTAGE
OUTPUT CURRENT
TIME, t (0.1 ms /div)
V
IN
(V) (50V/div)
Io (A) (5A/div)
V
O
(V) (5V/div)
TIME, t (5ms/div)
Figure 3. Transient Response to Dynamic Load
Change from 75% to 50% to 75% of full load.
Figure 6. Typical Start-up Using Input Voltage, (V
IN
= V
IN,NOM
, I
o
= I
o,max
)
[where input voltage has not been applied
in the previous 1 second , see page 5].
LINEAGE
POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
