GE Industrial Solutions QBVW025A0B Barracuda Series - Manual (Page 3)

GE
Data Sheet
QBVW025A0B Barracuda™ Series; DC-DC Converter Power Modules
36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output
May 9, 2013 ©2012 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point (V
IN
=V
IN,nom
, I
O
=12.5A, T
A
=25°C) All V
O, set
11.97 12.00 12.03 V
dc
Output Voltage
(Over all operating input voltage (40V to 75V), resistive load, and
temperature conditions until end of life)
All w/o -P V
O
11.76  12.24 V
dc
-P Option V
O
11.68  12.32 V
dc
Output Voltage (V
IN
=36V, T
A
= 25ºC) All V
O
11.15   V
dc
Output Regulation[V
IN, min
= 40V]
Line (V
IN
= V
IN, min
to V
IN, max
)
All w/o 9
option
 0.2  % V
O, set
Line (V
IN
= V
IN, min
to V
IN, max
)
All w/ 9
option
 0.5  % V
O, set
Load (I
O
=I
O, min
to I
O, max
)
All w/o P or
9 option
 0.2  % V
O, set
Load (I
O
=I
O, min
to I
O, max
)
All w/ 9
option
 1.2  % V
O, set
Load (I
O
=I
O, min
to I
O, max
), Intentional Droop
All w/ P
Option
 0.40  V
dc
Temperature (T
A
= -40ºC to +85ºC) All   2 % V
O, set
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
)
RMS (5Hz to 20MHz bandwidth) All  70  mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth) All  200  mV
pk-pk
External Output Capacitance
For C
O
>5000uF, I
O
must be < 50% I
O, max
during T
rise
.
All C
O, max
0  10,000 μF
Output Current All I
O
0 25 A
dc
Output Current Limit Inception All I
O, lim
 30  A
dc
Efficiency (V
IN
=V
IN, nom
, T
A
=25°C)
I
O
=100% I
O, max ,
V
O
= V
O,set
All η 96.0 %
I
O
=40% I
O, max
to 100% I
O, max ,
V
O
= V
O,set
All η 95.5 %
Switching Frequency f
sw
150 kHz
Dynamic Load Response
dI
O
/d
t
=1A/10s; V
in
=V
in
,
nom
; T
A
=25°C;
(Tested with a 1.0μF ceramic, a 10μF tantalum, and 470μF
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

__
300
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)
V
pk
t
s
__
__
300
700
__ mV
pk
s
General Specifications
Parameter Device Typ Unit
Calculated Reliability Based upon Telcordia SR-332 Issue 2:
Method
I, Case 1, (I
O
=80%I
O, max
, T
A
=40°C, Airflow = 200 lfm), 90%
confidence
MTBF All 3,598,391 Hours
FIT All 277.9 10 9 /Hours
Weight – Open Frame 47.4 (1.67) g (oz.)
Weight – with Base plate option 66.4 (2.34) g (oz.)