GE Industrial Solutions QBVE078A0S10R4 Barracuda Series - Manual (Page 3)

GE
Data Sheet
QBVE078A0S10R4 Barracuda Series; DC-DC Converter Power Modules
45-56Vdc Input; 10.4Vdc, 78.0A, 810W Output
January 15, 2014 ©2012 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=30.0A, T
A
=25°C)
All V
O, set
10.35 10.40 10.45 V
dc
Output Voltage
(Over all operating input voltage (45V to 56V), resistive load, and
temperature conditions until end of life)
All w/o -P V
O
10.08  10.71 V
dc
-P Option V
O
9.60 10.4 11.20 V
dc
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 w/o -P  0.2  % V
O, set
Load (I
O
=I
O, min
to I
O, max
), Intentional Droop -P Option 0.20 V
dc
Temperature (T
A
= -5ºC to +85ºC) All   0.02 %/°C
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
) C
O
=750uF
RMS (5Hz to 20MHz bandwidth) All  70  mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth) All  150  mV
pk-pk
External Output Capacitance
For C
O
>4500uF, I
O
must be < 50% I
O, max
during T
rise
. All C
O, max
0  4,500 μF
When 2 or more modules are in parallel -P Option 0 9,000 μF
Output Current All I
O
0  78 A
dc
Output Current Limit Inception All I
O,lim
87  96 A
dc
Output Power All P
O
0  810 W
Efficiency
V
IN
=V
IN, nom
, T
A
=25°C
I
O
=75% I
O, max,
V
O
= V
O,set
All η 97.0 %
I
O
=30% I
O, max
to 100% I
O, max ,
V
O
= V
O,set
All η 96.5 %
Switching Frequency (Primary FETs) f
sw
150 kHz
Dynamic Load Response
dI
O
/d
t
=1A/1s; V
in
=V
in
,
nom
; T
A
=25°C;
(Tested with a 1.0μF ceramic,, and 3200μF capacitor and
across the load.)
Load Change from I
O
= 50% to 75% of I
O,max
:
Peak Deviation
Settling Time (V
O
<10% peak deviation)
All
V
pk
t
s

__
350
700

__
mV
pk
s
Load Change from I
O
= 75% to 50% of I
O,max
:
Peak Deviation
Settling Time (V
O
<10% peak deviation)
All V
pk
t
s

__
350
700

__
mV
pk
s
Isolation Specifications
Parameter Symbol Min Typ Max Unit
Isolation Capacitance C
iso
 0.01  F
Isolation Resistance R
iso
10   MΩ
General Specifications
Parameter Device Symbol Typ Unit
Calculated Reliability Based upon Telcordia SR-332 Issue 3:
Method
I, Case 3, (I
O
=80%I
O, max
, T
A
=40°C, Airflow = 200 LFM), 90%
confidence
All MTBF 10,401,881 Hours
All FIT 96.1 10 9 /Hours
Weight – Open Frame 59.3 (2.09) g (oz.)
Weight – with Base plate option 73.6 (2.60) g (oz.)