GE Industrial Solutions ESTW025A0F Series - Manual (Page 5)

Data Sheet
October 11, 2011
ESTW025A0F Series Eighth-Brick Power Modules
36–75Vdc Input; 3.3Vdc Output; 25A Output
LINEAGE POWER 5
Characteristic Curves
The following figures provide typical characteristics for the ESTW025A0F (3.3V, 25A) at 25 o C. The figures are
identical for either positive or negative remote On/Off logic.
EF
FI
CI
EN
C
Y
, 
(%)
O
U
T
P
U
T
CU
RR
E
N
T OU
T
P
U
T
VO
LT
AG
E
Io
(A
)
(5
A
/d
iv
)
V
O
(V)
(2
00
mV
/d
iv
)
OUTPUT CURRENT, I
O
(A) TIME, t (200µs/div)
Figure 1. Converter Efficiency versus Output Current.
Figure 4. Transient Response to 0.1A/µS Dynamic
Load Change from 50% to 75% to 50% of full load.
O
U
TP
U
T
VOLTAGE
V O
(V
) (2
0m
V/
di
v)
O
n/O
ff VO
LT
AG
E
O
U
T
P
UT
V
O
LT
A
G
E
V
On
/o
ff
(V
) (5
V
/di
v)
V
O
(V
) (1
V
/d
iv
)
TIME, t (2 s/div) TIME, t (10ms/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 ).
O
U
TP
U
T
CU
RR
E
N
T
O
U
TPU
T
V
O
LT
A
G
E
Io
(A
)
(5
A
/di
v)
V O
(V
) (2
00
mV
/d
iv
)
IN
PU
T
VOLTA
G
E
OU
TP
U
T
VOLTAG
E
V IN
(V
) (2
0V
/d
iv
V
o
(V
) (1
V
/d
iv
)
TIME, t (200µs/div) TIME, t (5ms/div)
Figure 3. Transient Response to 0.1A/µS Dynamic
Load Change from 25% to 50% to 25% of full load.
Figure 6. Typical Start-up Using Input Voltage (V IN =
V
IN,NOM
, I
o
= I
o,max
).