GE Industrial Solutions EQW012-020-023-025 Series - Manual (Page 10)

Data Sheet
October 5, 2013
EQW012/020/023/025 Series, Eighth-Brick Power Modules:
36 - 75Vdc Input; 1.2Vdc to 5Vdc Output; 12A to 25A Output
LINEAGE POWER 10
Characteristic Curves (continued)
The following figures provide typical characteristics for the EQW020A0F (3.3V, 20A) at 25ºC. The figures are identical
for either positive or negative Remote On/Off logic.
E
F
F
ICI
E
N
CY
(%)
70
73
76
79
82
85
88
91
0 4 8 12 16 20
Vin=48V
Vin=75V
Vin=36V
OU
T
P
UT
CUR
RE
NT
, Io
(
A
)
0
2
4
6
8
10
12
14
16
18
20
22
20 30 40 50 60 70 80 90
100 LFM
200 LFM
400 LFM
NC
300 LFM
OUTPUT CURRENT, I
o
(A) AMBIENT TEMPERATURE, T
A
O C
Figure 25. Typical Converter Efficiency Vs. Output
current at Room Temperature. Figure 28 . Derating Output Current versus Local
Ambient Temperature and Airflow
O
U
T
P
U
T
VOLTAGE
V
O
(V
) (2
0m
V/d
iv
)
IN
P
U
T
VO
LT
A
G
E
O
U
T
PU
T
VO
LT
A
G
E
V
On
/o
ff
(V
) (2
0V
/d
iv
)
V O
(V)
(
1V/
di
v)
TIME, t (1 s/div) TIME, t (5ms/div)
Figure 26. Typical Output Ripple and Noise (Vin
=48Vdc, Io = 20A). Figure 29. Typical Start-Up with application of Vin (Vin
= 48Vdc, Io = 20A).
OU
TP
U
T
CUR
REN
T
OU
TP
U
T
VO
LT
A
G
E
I O,
(A
) (1
0A
/di
v)
V
O
(V
)
(100mV
/di
v)
O
N
/OF
F
VO
LT
A
G
E
O
U
T
PU
T
VOL
T
A
G
E
V
On
/o
ff
(V
) (
5
V
/d
iv
V
O
(V
) (
1V/div
)
TIME, t (100 s/div) TIME, t (5ms/div)
Figure 27. Typical Transient Response to Dynamic
Load change Load from 50% to 75% to 50% of Full
load at 48 Vdc Input. Figure 30. Typical Start-Up Using Remote On/Off,
negative logic version shown (Vin = 48Vdc, Io = 20A).