GE Industrial Solutions QBVW025A0B Barracuda Series - Manual (Page 4)

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 4
Isolation Specifications
Parameter Symbol Min Typ Max Unit
Isolation Capacitance C
iso
 1000  pF
Isolation Resistance R
iso
10   MΩ
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See
Feature Descriptions for additional information.
Parameter Device Symbol Min Typ Max Unit
Remote On/Off Signal Interface
(V
IN
=V
IN, min
to V
IN, max
, Signal referenced to V
IN-
terminal)
Negative Logic: device code suffix “1”
Logic Low = module On, Logic High = module Off
Positive Logic: No device code suffix required
Logic Low = module Off, Logic High = module On
Logic Low Specification
On/Off Thresholds:
Remote On/Off Current – Logic Low (Vin =100V) All I
on/off
280  310 μA
Logic Low Voltage All V
on/off
-0.3  0.8 V
dc
Logic High Voltage – (Typ = Open Collector) All V
on/off
2.0  14.5 V
dc
Logic High maximum allowable leakage current
(V
on/off
= 2.0V)
All I
on/off
  10 μA
Maximum voltage allowed on On/Off pin All V
on/off
  14.5 V
dc
Turn-On Delay and Rise Times (I
O
=I
O, max
)
T
delay
=Time until V
O
= 10% of V
O,set
from either application
of Vin with Remote On/Off set to On (Enable with Vin); or
operation of Remote On/Off from Off to On with Vin
already applied for at least 150 milli-seconds (Enable
with on/off).
* Increased T
delay
due to startup for parallel modules.
All w/o P
option
T
delay , Enable
with Vin
  150 ms
All w/o P
option
T
delay, Enable
with on/off
  10 ms
All w/ P
option
T
delay
,
Enable
with Vin
  180* ms
All w/ P
option
T
delay, Enable
with on/off
  40* ms
T
rise
=Time for V
O
to rise from 10% to 90% of V
O,set
, For C
O
>5000uF, I
O
must be < 50% I
O, max
during T
rise
.
* Increased T
rise
when pre-bias Vo exists at startup for
parallel modules.
All w/o P
option
T
rise
  15 ms
All w/ P
option
T
rise
  300* ms
Load Sharing Current Balance
(difference in output current across all modules with
outputs in parallel, no load to full load)
P Option I
diff
3 A
Remote Sense Range
All w/ 9
option
V
Sense
  0.5 V
dc
Output Voltage Adjustment range
All w/ 9
option
V
O, set
8.1 13.2 V
dc
Output Overvoltage Protection
All w/o 9
option
V
O,limit
14.5 17.0 V
dc
All w/ 9
option
V
O,limit
V
O,set
+2.5V V
O,set
+5.0V V
dc
Overtemperature Protection
All T
ref
 140  °C
(See Feature Descriptions)
Input Undervoltage Lockout
Turn-on Threshold (Default) 33 35 36 V
dc
Turn-off Threshold (Default) 31 33 34 V
dc
Input Overvoltage Lockout
Turn-off Threshold (Default)  86  V
dc
Turn-on Threshold (Default) 76 79  V
dc