Advanced Data Sheet
February 10, 2011
QBDW033A0B Series Power Modules; DC-DC Converters
36-75V
dc
Input; 9.6-12V
dc
Output; 33A Output Current
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature
conditions. See Feature Descriptions for additional information.
Parameter
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
Logic Low Voltage
Logic High Voltage – (Typ = Open Collector)
Logic High maximum allowable leakage current
(V
on/off
= 2.0V)
Maximum voltage allowed on On/Off pin
Turn-On Delay and Rise Times
(I
O
=I
O, max
) (Adjustable via PMBus)
T
delay
= Time until V
O
= 10% of V
O,set
from either
application of Vin with Remote On/Off set to On or
operation of Remote On/Off from Off to On with Vin
already applied for at least one second.
T
rise
= Time for V
O
to rise from 10% of V
O,set
to 90%
of V
O,set
. (Adjustable via PMBus)
Output Overvoltage Protection (Adjustable via
PMBus)
Overtemperature Protection (Adjustable via PMBus)
(See Feature Descriptions) (Default)
Input Undervoltage Lockout (Adjustable via PMBus)
Turn-on Threshold (Default)
Turn-off Threshold (Default)
Input Overvoltage Lockout (Adjustable via PMBus)
Turn-off Threshold (Default)
Turn-on Threshold (Default)
78
81
79
82
V
dc
V
dc
31
34.5
31.5
36
V
dc
V
dc
All
All
T
ref
All
All
T
delay,
Enable with
Vin
Device
Symbol
Min
Typ
Max
Unit
All
All
All
All
All
I
on/off
V
on/off
V
on/off
I
on/off
V
on/off
5
-0.3
2.0
10
15
0.8
3.5
4.0
13.5
μA
V
dc
V
dc
μA
V
dc
13
TBD
TBD
TBD
TBD
17
ms
ms
ms
V
dc
°C
T
delay
,
Enable with
on/off
T
rise
LINEAGE
POWER
4
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
