GE Industrial Solutions QBDW025A0B Barracuda Series - Manual (Page 3)

GE
Data Sheet
QBDW025A0B 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)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=12.5A, T
A
=25°C)
(Adjustable via PMBus)
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  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 0.40 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
VOUT_OC_FAULT_LIMIT (Default)
(Adjustable via PMBus)
All I
O,lim
 30.25  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 95.9 %
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)
All V
pk
t
s
__
__ 300
700 __ mV
pk
s
General Specifications
Parameter Device Symbol Typ Unit
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 3,598,391 Hours
All FIT 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.)