Data Sheet
March 4, 2009
EQW010-040 Series Power Modules
36 – 75Vdc Input; 1.0 to 12.0Vdc Output; 10 to 40A Output Current
Characteristic Curves
(continued)
The following figures provide typical characteristics for the EQW035A0G (2.5V, 35A) at 25
o
C. The figures are
identical for either positive or negative remote On/Off logic.
95
40
OUTPUT CURRENT, Io (A)
Vin = 36V
EFFICIENCY,
η
(%)
90
85
Vin = 75V
80
Vin = 48V
75
70
0
5
10
15
20
25
30
35
35
30
25
20
15
10
5
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
OUTPUT CURRENT, I
O
(A)
AMBIENT TEMPERATURE, T
A
C
Figure 19. Converter Efficiency versus Output
Current.
Figure 22. Derating Output Current versus Local
Ambient Temperature and Airflow (direction shown
in Figure 63).
On/Off VOLTAGE OUTPUT VOLTAGE
V
O
(V) (1V/div)
V
On/Off
(V) (5V/div)
OUTPUT VOLTAGE
V
O
(V) (20mV/div)
TIME, t (1μs/div)
TIME, t (5ms/div)
Figure 20. Typical output ripple and noise (V
IN
=
V
IN,NOM
, I
o
= I
o,max
).
V
O
(V) (100mV/div)
Figure 23. Typical Start-up Using Remote On/Off,
negative logic version shown (V
IN
= V
IN,NOM
, I
o
=
I
o,max
).
OUTUT VOLTAGE
INPUT VOLTAGE
V
O
(V) (1.0V/div)
V
IN
(V) (20V/div)
OUTPUT CURRENT
VOLTAGE
OUTPUT
Io (A) (10A/div)
TIME, t (0.1ms/div)
TIME, t (5ms/div)
Figure 21. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 24. Typical Start-up Using Input Voltage (V
IN
= V
IN,NOM
, I
o
= I
o,max
).
LINEAGE
POWER
9
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
