Data Sheet
February 2, 2009
Feature Specifications
QSK033A0B Series Power Modules; DC-DC Converters
36 – 60 Vdc Input; 12Vdc Output; 33A Output Current
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
)
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
.
(Min @ V
IN,MAX
, Typ@ V
IN,NOM
, Max @ V
IN,MIN
)
Output Overvoltage Protection (Clamp)
Overtemperature Protection
(See Feature Descriptions)
Input Undervoltage Lockout
Turn-on Threshold
Turn-off Threshold
Input Overvoltage Lockout
Turn-off Threshold
Turn-on Threshold
⎯
62
65
63
67
⎯
V
dc
V
dc
⎯
32
35
34
36
⎯
V
dc
V
dc
T
delay,
All
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
⎯
20
⎯
ms
T
delay
,
Enable with
All
All
All
on/off
⎯
29
13
⎯
5
40
⎯
125
⎯
68
15
⎯
ms
ms
V
dc
°C
T
rise
T
ref
4
LINEAGE
POWER
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
