Data Sheet
GE
QBVW025A0B Barracuda™ Series; DC-DC Converter Power Modules
36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output
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 (VIN=VIN,nom, IO=12.5A, TA =25°C)
All
VO, set
11.97
12.00
12.03
Vdc
Output Voltage
All w/o -P
VO
11.76
12.24
Vdc
(Over all operating input voltage (40V to 75V), resistive load, and
-P Option
All
VO
VO
11.68
11.15
12.32
Vdc
Vdc
temperature conditions until end of life)
Output Voltage (VIN=36V, TA = 25ºC)
Output Regulation[VIN, min = 40V]
All w/o 9
option
Line (VIN= VIN, min to VIN, max
Line (VIN= VIN, min to VIN, max
)
)
0.2
% VO, set
All w/ 9
option
All w/o P or
9 option
All w/ 9
0.5
0.2
1.2
% VO, set
% VO, set
% VO, set
Load (IO=IO, min to IO, max
Load (IO=IO, min to IO, max
)
)
option
All w/ P
Option
Load (IO=IO, min to IO, max), Intentional Droop
0.40
Vdc
Temperature (TA = -40ºC to +85ºC)
All
2
% VO, set
Output Ripple and Noise on nominal output
(VIN=VIN, nom and IO=IO, min to IO, max
)
RMS (5Hz to 20MHz bandwidth)
All
All
70
mVrms
Peak-to-Peak (5Hz to 20MHz bandwidth)
200
mVpk-pk
External Output Capacitance
For CO >5000uF, IO must be < 50% IO, max during Trise
All
CO, max
0
10,000
μF
.
Output Current
All
All
IO
0
25
Adc
Adc
Output Current Limit Inception
Efficiency (VIN=VIN, nom, TA=25°C)
IO, lim
30
IO=100% IO, max , VO= VO,set
All
All
η
η
96.0
95.5
150
%
%
IO=40% IO, max to 100% IO, max , VO= VO,set
Switching Frequency
fsw
kHz
Dynamic Load Response
dIO/dt=1A/10s; Vin=Vin,nom; TA=25°C;
(Tested with a 1.0μF ceramic, a 10μF tantalum, and 470μF
capacitor and across the load.)
Load Change from IO = 50% to 75% of IO,max
Peak Deviation
Settling Time (VO <10% peak deviation)
:
mVpk
s
Vpk
ts
300
700
__
__
All
Load Change from IO = 75% to 50% of IO,max
Peak Deviation
Settling Time (VO <10% peak deviation)
:
mVpk
s
Vpk
ts
__
__
300
700
__
General Specifications
Parameter
Device
Typ
Unit
Calculated Reliability Based upon Telcordia SR-332 Issue 2:
Method I, Case 1, (IO=80%IO, max, TA=40°C, Airflow = 200 lfm), 90%
confidence
MTBF
FIT
All
All
3,598,391
Hours
277.9
109/Hours
Weight – Open Frame
47.4 (1.67)
66.4 (2.34)
g (oz.)
g (oz.)
Weight – with Base plate option
May 9, 2013
©2012 General Electric Company. All rights reserved.
Page 3
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