Data Sheet
March 26, 2008
EQW006 Series, Eight Brick Power Modules: DC-DC Converter
36 – 75Vdc Input; 12Vdc Output; 6A Output Current
Characteristic Curves
The following figures provide typical characteristics for the EQW006A0B1 (12V, 6A) at 25
o
C. The figures are
identical for either positive or negative remote On/Off logic.
94
90
7
6
OUTPUT CURRENT, Io (A)
EFFICIENCY,
η
(%)
86
82
5
4
3
2
1
0
20
NC
100 LFM
200 LFM
300 LFM
400 LFM
30
40
50
60
70
O
V
IN
=36V
78
V
IN
=48V
74
V
IN
=75V
70
0
1
2
3
4
5
6
80
90
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 1. Converter Efficiency versus Output Current.
Figure 4. Derating Output Current versus Local
Ambient Temperature and Airflow.
OUTPUT VOLTAGE
On/Off VOLTAGE
OUTPUT VOLTAGE
V
O
(V) (10mV/div)
V
On/off
(V) (2V/div)
V
O
(V) (5V/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 shown (V
IN
= V
IN,NOM
, I
o
=
I
o,max
).
OUTPUT VOLTAGE
V
O
(V) (200mV/div)
OUTPUT VOLTAGE
INPUT VOLTAGE
OUTPUT CURRENT,
TIME, t (200
μs
/div)
V
IN
(V) (20V/div)
Io (A) (1A/div)
V
O
(V) (5V/div)
TIME, t (5ms/div)
Figure 3. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 6. Typical Start-up Using Input Voltage (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
LINEAGE
POWER
6
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
