GE Industrial Solutions EHHD024A0A HAMMERHEAD Series - Manual (Page 5)

GE
Datasheet
EHHD024A0A Series: DC-DC Converter Power Module
18 to 75V
dc
Input; 5V
dc
, 24A, 120W Output
February 28, 2014 ©2014 General Electric Corporation. All rights reserved. Page 5
Characteristic Curves
The following figures provide typical characteristics for the EHHD024A0A (5V, 24A) at 25 O C. The figures are identical for either
positive or negative remote On/Off logic.
EFFICIEN
C
Y,
η
(%)
O
U
TP
UT
C
U
RRENT
O
U
TPU
T
VO
LT
AG
E
Io
(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.
OUTPUT
V
O
LTAGE
V
O
(V
) (50m
V/
di
v)
O
U
TP
UT
V
O
LT
AG
E
On/
O
ff
V
O
LT
AG
E
V O
(V
) (2V/
di
v)
V On
/Off
(V
) (5
V/
di
v)
TIME, t (2 μs/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
).
OUT
PU
T CUR
RE
N
T
OU
TP
U
T V
O
LT
AGE
Io
(A
) (5A
/d
iv
)
V O
(V) (200
mV/di
v)
O
U
TPU
T
VO
LT
AG
E
IN
PU
T
VO
LT
AG
E
V
O
(V
) (
2V
/d
iv
)
V
IN
(V
) (20
V/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
Figure 6. Typical Start-up Using Input Voltage (V
IN
= 48V, I
o
=
I
o,max
).
70
75
80
85
90
95
0 4 8 12 16 20 24
Vin=75V
Vin=18V
Vin=24V
Vin=36V Vin=48V
48Vin
75Vin
18Vin
24Vin