GE Industrial Solutions ESTW004A2C Series - Manual (Page 5)

Data Sheet
August 30, 2011
ESTW004A2C Series DC-DC Converter Power Modules
36–75V
dc
Input; 15.0V
dc
/4.2A
dc
Output
LINEAGE POWER 5
Characteristic Curves
The following figures provide typical characteristics for the ESTW004A2C (15.0V, 4.2A) at 25 o C. The figures are
identical for either positive or negative remote On/Off logic.
E
F
F
ICI
E
N
CY,

(%
)
O
U
TPU
T
V
O
LT
A
G
E
O
n/
O
ff
VO
LT
AG
E
V
O
(
V
)
(5
V
/d
iv
)
V
On
/Of
f
(V)
(5V/
d
iv
)
OUTPUT CURRENT, I
O
(A) TIME, t (10ms/div)
Figure 1. Converter Efficiency versus Output Current. Figure 4. Typical Start-up Using Remote On/Off,
negative logic version shown (V
IN = 48V, I o = I o,max ).
O
U
TP
U
T
VOLTAGE
V
O
(V
) (1
00
m
V
/d
iv
)
O
U
TPU
T
VO
LTAGE
IN
PU
T VOLTAGE
V
O
(V
) (
5
V
/d
iv
)
V
IN
(V
) (10V/
di
v)
TIME, t (2 s/div) TIME, t (10ms/div)
Figure 2. Typical output ripple and noise ( I o = I o,max ). Figure 5. Typical Start-up Using Input Voltage (V IN =
48V, I
o
= I
o,max
).
O
U
T
P
UT
V
O
LT
A
G
E
O
U
T
P
UT
C
U
RRE
NT
V
O
(
V
) (
200mV/
di
v)
I
O
(A
) (1
A
/di
v)
TIME, t (200µs/div)
Figure 3. Transient Response to 0.1A/µS Dynamic
Load Change from 50% to 75% to 50% of full load,
V
IN
=48V.