GE Industrial Solutions EHHD006A0B Hammerhead Series - Manual (Page 5)

GE Data Sheet
EHHD006A0B Hammerhead Series; DC-DC Converter Power Modules
18-75Vdc Input; 12Vdc, 6.0A, 72W Output
July 12, 2013 ©2012 General Electric Company. All rights reserved. Page 5
Characteristic Curves
The following figures provide typical characteristics for the EHHD006A0B (12.0V, 6A) 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
VO
LT
AG
E
O
U
TPUT
CU
RRENT
V O
(V
) (2
00
m
V/
div
)
I
o(A
) (
1A
/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, Vin=48V,
C
O
>100μF.
OUTPUT
V
O
LTAG
E
V
O
(V) (100
mV/di
v)
O
U
TPU
T
VO
LT
AG
E
O
n/O
ff
VO
LT
AG
E
V O
(V) (5V/
div
)
V
On
/O
ff
(V) (5V/
div
)
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
= 24V or 48V, I
o
= I
o,max
).
O
U
TP
UT
V
O
LT
AG
E
OUT
PU
T
CU
RR
ENT
V
O
(V) (200
mV/d
iv
)
I
o(
A) (1A/
di
v)
O
U
TP
UT
VO
LTAG
E
INP
U
T
VO
LTAGE
V
O
(V
) (5V/
div)
V IN
(V) (
20V/
di
v)
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
= 24V,
I
o
= I
o,max
).