GE Industrial Solutions EHW007A0B Series (Eighth-Brick) - Manual (Page 3)

Data Sheet
October 2, 2009
EHW007A0B Series Eighth-Brick Power Modules
36–75Vdc Input; 12.0Vdc Output; 7A Output Current
LINEAGE POWER 3
Electrical Specifications
(continued)
Parameter Device Symbol Min Typ Max Unit
Nominal Output Voltage Set-point
V
IN
=V
IN, min
, I
O
=I
O, max
, T
A
=25°C) All V
O, set
11.8 12.0 12.24 V
dc
Output Voltage
(Over all operating input voltage, resistive load, and
temperature conditions until end of life) All V
O
11.64 ⎯ 12.36 % V
O, set
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
) All ⎯ ⎯ ±0.2 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All ⎯ ⎯ ±0.2 % V
O, set
Temperature (T
ref
=T
A, min
to T
A, max
) All ⎯ ⎯ ±1.0 % V
O, set
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
,I
O
= I
O, max
, T
A
=T
A, min
to T
A, max
)
RMS (5Hz to 20MHz bandwidth) All ⎯ 20 30 mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth) All ⎯ 50 100 mV
pk-pk
External Capacitance All C
O, max
0 ⎯ 2,000 μF
Output Current All I
o
0 ⎯ 7 A
dc
Output Current Limit Inception (Hiccup Mode )
(V
O
= 90% of V
O, set
)
All I
O, lim 105 120 130 % I o
Output Short-Circuit Current
(V
O
≤250mV) ( Hiccup Mode )
All I
O, s/c
5 A
rms
Efficiency
V
IN
= V
IN, nom
, T
A
=25°C, I
O
=I
O, max ,
V
O
= V
O,set
All η 92.5 %
V
IN
= V
IN, nom
, T
A
=25°C, I
O
=0.5I
O, max ,
V
O
= V
O,set
All η 91.5 %
Switching Frequency All f
sw
400 kHz
Dynamic Load Response
(dI
o
/dt=0.1A/ μs; V
IN
= V
IN, nom
; T
A
=25°C)
Load Change from Io= 50% to 75% or 25% to 50% of
I
o,max
Peak Deviation All V
pk
⎯ 3 ⎯ % V
O, set
Settling Time (Vo<10% peak deviation) All t
s
⎯ 200 ⎯ μs
(dI
o
/dt=1.0A/ μs; V
IN
= V
IN, nom
; T
A
=25°C)
Load Change from Io= 50% to 75% or 25% to 50% of
I
o,max
Peak Deviation All V
pk
⎯ 5 ⎯ % V
O, set
Settling Time (V
o
<10% peak deviation) All t
s
⎯ 200 ⎯ μs
Isolation Specifications
Parameter Device Symbol Min Typ Max Unit
Isolation Capacitance All C
iso
⎯ 1000 ⎯ pF
Isolation Resistance All R
iso
100 ⎯ ⎯ MΩ
I/O Isolation Voltage (100% factory Hi-pot tested) All All ⎯ ⎯ 2250 V
dc
General Specifications
Parameter Device Symbol Min Typ Max Unit
All FIT 235.0 10 9 /Hours Calculated Reliability based upon Telcordia SR-332
Issue 2: Method
I Case 3 (I
O
=80%I
O, max
, T
A
=40°C,
airflow = 200 lfm, 90% confidence) All MTBF 4,254,493 Hours
Weight (Open Frame) All
21
(0.77)
g
(oz.)
Weight (with Heatplate) All
33
(1.16)
g
(oz.)