GE Industrial Solutions QBVE078A0S10R4 Barracuda Series - Manual (Page 4)

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 4
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 =56V) All I
on/off
  200 μA
Logic Low Voltage All V
on/off
-0.3  0.8 V
dc
Logic High Voltage – (Typ = Open Collector) All V
on/off
2.4  14.5 V
dc
Logic High maximum allowable leakage current
(V
on/off
= 2.4V)
All I
on/off
  130 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 30 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
  30 ms
All w/o “P”
option
T
delay, Enable with
on/off
  5 ms
All w/ “P’
option
T
delay
,
Enable with
Vin
  40* ms
All w/ “P”
option
T
delay, Enable with
on/off
  15* ms
T
rise
=Time for V
O
to rise from 10% to 90% of V
O,set
, For C
O
>4500uF, 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
  40* ms
Output Overvoltage Protection All V
O,limit
12.0 16.0 V
dc
Overtemperature Protection
All T
ref
 128  °C
(See Thermal Considerations, Fig. 16)
Input Undervoltage Lockout
Turn-on Threshold 41 44 45 V
dc
Turn-off Threshold 39 41 43 V
dc
Hysteresis 2 V
dc
Input Overvoltage Lockout
Turn-off Threshold  62  V
dc
Turn-on Threshold  60  V
dc