Data Sheet
EHW007A0B Series Eighth-Brick Power Modules
36–75Vdc Input; 12.0Vdc Output; 7A Output Current
June 29, 2009
Electrical Specifications (continued)
Parameter
Device
Symbol
Min
Typ
Max
Unit
Nominal Output Voltage Set-point
VIN=VIN, min, IO=IO, max, TA=25°C)
All
All
VO, set
VO
11.8
12.0
12.24
12.36
Vdc
Output Voltage
11.64
% VO, set
⎯
(Over all operating input voltage, resistive load, and
temperature conditions until end of life)
Output Regulation
Line (VIN=VIN, min to VIN, max
Load (IO=IO, min to IO, max
Temperature (Tref=TA, min to TA, max
Output Ripple and Noise on nominal output
)
All
All
All
±0.2
±0.2
±1.0
% VO, set
⎯
⎯
⎯
⎯
⎯
⎯
)
% VO, set
% VO, set
)
(VIN=VIN, nom ,IO= IO, max , TA=TA, min to TA, max
)
RMS (5Hz to 20MHz bandwidth)
All
All
All
All
20
50
⎯
⎯
30
100
2,000
7
mVrms
mVpk-pk
μF
⎯
⎯
0
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
CO, max
Io
IO, lim
Output Current
0
Adc
Output Current Limit Inception (Hiccup Mode )
% Io
All
All
105
120
5
130
(VO= 90% of VO, set
)
Output Short-Circuit Current
(VO≤250mV) ( Hiccup Mode )
Efficiency
IO, s/c
Arms
VIN= VIN, nom, TA=25°C, IO=IO, max , VO= VO,set
VIN= VIN, nom, TA=25°C, IO=0.5IO, max , VO= VO,set
All
All
All
η
η
92.5
91.5
400
%
%
Switching Frequency
fsw
kHz
Dynamic Load Response
(dIo/dt=0.1A/μs; VIN = VIN, nom; TA=25°C)
Load Change from Io= 50% to 75% or 25% to 50% of
Io,max
Peak Deviation
All
All
Vpk
ts
3
% VO, set
⎯
⎯
⎯
⎯
Settling Time (Vo<10% peak deviation)
200
μs
(dIo/dt=1.0A/μs; VIN = VIN, nom; TA=25°C)
Load Change from Io= 50% to 75% or 25% to 50% of
Io,max
Peak Deviation
All
All
Vpk
ts
5
% VO, set
⎯
⎯
⎯
⎯
Settling Time (Vo<10% peak deviation)
200
μs
Isolation Specifications
Parameter
Device
All
Symbol
Ciso
Min
⎯
Typ
1000
⎯
Max
⎯
Unit
pF
Isolation Capacitance
Isolation Resistance
All
Riso
100
⎯
MΩ
Vdc
⎯
I/O Isolation Voltage (100% factory Hi-pot tested)
All
All
2250
⎯
General Specifications
Parameter
Device
Symbol
Min
Typ
Max
Unit
Calculated Reliability based upon Telcordia SR-332
Issue 2: Method I Case 3 (IO=80%IO, max, TA=40°C,
airflow = 200 lfm, 90% confidence)
All
FIT
235.0
109/Hours
All
All
All
MTBF
4,254,493
Hours
21
(0.77)
g
(oz.)
Weight (Open Frame)
Weight (with Heatplate)
33
(1.16)
g
(oz.)
LINEAGE POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
