Data Sheet
June 29, 2009
EHW015A0A Series Eighth-Brick Power Modules
36–75Vdc Input; 5.0Vdc Output; 15A Output Current
Electrical Specifications
(continued)
Parameter
Nominal Output Voltage Set-point
V
IN
=V
IN, min
, I
O
=I
O, max
, T
A
=25°C)
Output Voltage
(Over all operating input voltage, resistive load, and
temperature conditions until end of life)
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
)
Load (I
O
=I
O, min
to I
O, max
)
Temperature (T
ref
=T
A, min
to T
A, max
)
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)
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
Output Current
Output Current Limit Inception (Hiccup Mode )
(V
O
= 90% of V
O, set
)
Output Short-Circuit Current
(V
O
≤250mV)
( Hiccup Mode )
Efficiency
V
IN
= V
IN, nom
, T
A
=25°C, I
O
=I
O, max ,
V
O
= V
O,set
V
IN
= V
IN, nom
, T
A
=25°C, I
O
=0.5I
O, max ,
V
O
= V
O,set
Switching Frequency
Dynamic Load Response
(dI
o
/dt=0.1A/μs; V
IN
= V
IN, nom
; T
A
=25°C, C
o
=C
o,min
)
Load Change from Io= 50% to 75% or 25% to 50% of
I
o,max
Peak Deviation
Settling Time (Vo<10% peak deviation)
(dI
o
/dt=1.0A/μs; V
IN
= V
IN, nom
; T
A
=25°C, C
o
=C
o,min
)
Load Change from Io= 50% to 75% or 25% to 50% of
I
o,max
Peak Deviation
Settling Time (V
o
<10% peak deviation)
All
All
V
O, set
V
O
4.90
4.85
5.0
⎯
5.10
5.15
V
dc
% V
O, set
Device
Symbol
Min
Typ
Max
Unit
All
All
All
⎯
⎯
⎯
⎯
⎯
⎯
±0.2
±0.2
±0.2
% V
O, set
% V
O, set
% V
O, set
All
All
All
All
All
All
C
O
I
O
I
O, lim
I
O, s/c
⎯
⎯
500
0
105
15
40
⎯
⎯
120
5
25
75
4,700
15
130
mV
rms
mV
pk-pk
μF
A
dc
% I
o
A
rms
All
All
All
η
η
f
sw
92.0
90.0
400
%
%
kHz
All
All
V
pk
t
s
⎯
⎯
2
200
⎯
⎯
% V
O, set
μs
All
All
V
pk
t
s
⎯
⎯
2
200
⎯
⎯
% V
O, set
μs
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
I/O Isolation Voltage (100% factory Hi-pot tested)
Device
All
All
All
Symbol
C
iso
R
iso
All
Min
⎯
100
⎯
Typ
2000
⎯
⎯
Max
⎯
⎯
2250
Unit
pF
MΩ
V
dc
General Specifications
Parameter
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)
Weight (Open Frame)
Weight (with Heatplate)
Device
All
All
All
All
Symbol
FIT
MTBF
⎯
⎯
Min
Typ
244.1
4,097,359
19
(0.67)
31
(1.09)
⎯
⎯
Max
Unit
10 /Hours
Hours
g
(oz.)
g
(oz.)
9
LINEAGE
POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
