GE Industrial Solutions KHHD006A0A Hammerhead Series - Manual (Page 5)

GE Data Sheet
KHHD006A0A Hammerhead™ Series; DC-DC Converter Power Modules
18-75Vdc Input; 5.0Vdc, 6A Output
September 26, 2013 ©2013 General Electric Corporation. All rights reserved. Page 5
Characteristic Curves
The following figures provide typical characteristics for the KHHD006A0A (5.0V, 6A) at 25 o C. The figures are identical for either
positive or negative remote On/Off logic.
EF
FI
CI
EN
CY,
η
(%
)
IN
PU
T CURRENT,
I IN
(A)
OUTPUT CURRENT, I
O
(A) INPUT VOLTAGE, V
IN
(V)
Figure 1. Converter Efficiency versus Output Current. Figure 2. Converter Input Current versus Input Voltage.
OU
TP
U
T V
O
LT
AGE
V
O
(V
) (5
0m
V/
di
v)
OU
TP
UT
CURR
EN
T OUTP
UT
VO
LT
AG
E
Io(A)
(2
A/
div)
V
O
(V
) (
20
0m
V/div
)
TIME, t (2 μs/div) TIME, t (500 μs/div)
Figure 3. Typical output ripple and noise (I
o
= I
o,max
). Figure 4. Transient Response to 0.1A/µS Dynamic Load
Change from 50% to 75% to 50% of full load, Vin=48V.
On/Off
VO
LT
AG
E
OU
TP
U
T
VO
LT
AG
E
V
On
/Of
f
V) (
2V/div
)
V
O
(
(V
) (
2V/di
v)
INPUT VOL
TA
G
E
O
U
TP
UT VO
LTAGE
V
IN
(V
) (20V/
di
v)
V
O
(V
) (
2V
/d
iv
)
TIME, t (10ms/div) TIME, t (10ms/div)
Figure 5.Typical Start-up Using Remote On/Off, negative
logic version shown (V
IN
= 24V or 48V, Io = I
o,max
).
Figure 6. Typical Start-up Using Input Voltage (V
IN
= 48V, I
o
=
I
o,max
).
75Vin
48Vin
24Vin
18Vin