GE Industrial Solutions EHHD015A0A Hammerhead Series - Manual (Page 5)

GE Data Sheet
EHHD015A0A Hammerhead™ Series; DC-DC Converter Power Modules
18-75Vdc Input; 5Vdc, 15.0A, 75W Output
April 4, 2013 ©2012 General Electric Company. All rights reserved. Page 5
Characteristic Curves
The following figures provide typical characteristics for the EHHD015A0A (5.0V, 15A) at 25 O C. The figures are identical for either
positive or negative remote On/Off logic.
EFFICIE
N
C
Y,
 (%)
O
U
TP
UT
CUR
RE
N
T
O
U
TP
UT
V
O
LT
AGE
I
o(A
) (
5A
/d
iv)
V
O
(V) (200
mV/di
v)
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, Vin=48V, C
O
>100μF.
OUTPUT
V
O
LTAG
E
V
O
(V
) (50m
V/
di
v)
O
U
TPU
T VO
LT
AG
E
O
n/
O
ff V
O
LT
AG
E
V O
(V
) (2V/
div
)
V On
/Off
(V
) (5
V/
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 Remote On/Off, negative logic
version shown (V
IN
= 48V, I
o
= I
o,max
).
O
U
TP
UT
CUR
RE
N
T
O
U
TP
UT
V
O
LT
AGE
Io(
A)
(5
A/di
v)
V
O
(V) (200
mV/di
v)
OUT
PU
T
VO
LT
AG
E
I
N
PU
T
VO
LT
AGE
V
O
(V
) (
2V
/div)
V IN
(V
) (20V
/div)
TIME, t (200µs/div) TIME, t (10ms/div)
Figure 3. Transient Response to 0.1A/µS Dynamic Load
Change from 50% to 75% to 50% of full load, Vin=24V,
C
O
>100μF.
Figure 6. Typical Start-up Using Input Voltage (V
IN
= 48V, I
o
=
I
o,max
).