Data Sheet
August 29, 2011
Characteristic Curves
EHHD006A0B Series Eighth-Brick Power Modules
18 - 75Vdc Input; 12V/6A
dc
Output
The following figures provide typical characteristics for the EHHD006A0B (12.0V, 6A) at 25 C. The figures are
identical for either positive or negative remote On/Off logic.
OUTPUT VOLTAGE OUTPUT CURRENT
o
EFFICIENCY,
(%)
OUTPUT CURRENT, I
O
(A)
V
O
(V) (200mV/div)
Io(A) (1A/div)
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.
On/Off VOLTAGE
OUTPUT VOLTAGE
V
On/Off
(V) (5V/div)
V
O
(V) (5V/div)
OUTPUT VOLTAGE
V
O
(V) (100mV/div)
TIME, t (2s/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
).
INPUT VOLTAGE
OUTPUT VOLTAGE
V
IN
(V) (20V/div)
V
O
(V) (5V/div)
OUTPUT VOLTAGE OUTPUT CURRENT
V
O
(V) (200mV/div)
Io(A) (1A/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
=
24V, I
o
= I
o,max
).
LINEAGE
POWER
5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
