Ehhd036a0f series: dc-dc converter power module, Datasheet, 18 to 75v – GE Industrial Solutions EHHD036A0F HAMMERHEAD Series User Manual
Page 5: Input; 3.3v, Characteristic curves

GE
Datasheet
EHHD036A0F Series: DC-DC Converter Power Module
18 to 75V
dc
Input; 3.3V
dc
, 36A, 120W Output
February 28, 2014
©2014 General Electric Corporation. All rights reserved.
Page 5
Characteristic Curves
The following figures provide typical characteristics for the EHHD036A0F (3.3V, 36A) 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)
(1
0A
/di
v)
V
O
(V
) (10
0mV
/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
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
) (1V/
di
v)
V
On
/Off
(V
) (2
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
) (10
A/d
iv)
V
O
(V
) (
10
0m
V/
di
v)
O
U
TPU
T
VO
LT
AG
E
IN
PU
T
VO
LT
AG
E
V
O
(V
) (
1V
/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
).
18Vin
24Vin
48Vin
75Vin