Data Sheet
GE
QBVW025A0B Barracuda™ Series; DC-DC Converter Power Modules
36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output
Isolation Specifications
Parameter
Symbol
Ciso
Min
Typ
1000
Max
Unit
pF
Isolation Capacitance
Isolation Resistance
Riso
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
(VIN=VIN, min to VIN, max , Signal referenced to VIN- 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
All
All
Ion/off
Von/off
Von/off
280
-0.3
2.0
310
0.8
μA
Vdc
Vdc
Logic Low Voltage
Logic High Voltage – (Typ = Open Collector)
14.5
Logic High maximum allowable leakage current
(Von/off = 2.0V)
All
All
Ion/off
10
μA
Maximum voltage allowed on On/Off pin
Von/off
14.5
Vdc
Turn-On Delay and Rise Times (IO=IO, max
)
All w/o P
option
All w/o P
option
All w/ P
option
All w/ P
option
All w/o P
option
All w/ P
option
Tdelay, Enable
with Vin
150
10
ms
ms
ms
ms
ms
ms
Tdelay=Time until VO = 10% of VO,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).
Tdelay, Enable
with on/off
Tdelay, Enable
180*
40*
15
with Vin
* Increased Tdelay due to startup for parallel modules.
Tdelay, Enable
with on/off
Trise=Time for VO to rise from 10% to 90% of VO,set, For CO
Trise
Trise
>5000uF, IO must be < 50% IO, max during Trise
.
* Increased Trise when pre-bias Vo exists at startup for
parallel modules.
300*
Load Sharing Current Balance
(difference in output current across all modules with
outputs in parallel, no load to full load)
P Option
3
A
Idiff
All w/ 9
option
All w/ 9
option
All w/o 9
option
All w/ 9
option
Remote Sense Range
VSense
0.5
Vdc
8.1
Output Voltage Adjustment range
VO, set
VO,limit
VO,limit
13.2
17.0
Vdc
Vdc
Vdc
14.5
Output Overvoltage Protection
VO,set+2.5V
VO,set+5.0V
Overtemperature Protection
(See Feature Descriptions)
Input Undervoltage Lockout
All
Tref
140
°C
Turn-on Threshold (Default)
Turn-off Threshold (Default)
Input Overvoltage Lockout
Turn-off Threshold (Default)
Turn-on Threshold (Default)
33
31
35
33
36
34
Vdc
Vdc
86
79
Vdc
Vdc
76
May 9, 2013
©2012 General Electric Company. All rights reserved.
Page 4
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
