JQW Series Power Modules; dc-dc Converters
36 to 75 Vdc Input; Single Output up to 25A
Data Sheet
October 20, 2008
Electrical Specifications
(continued)
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
Symbol
C
iso
R
iso
Min
⎯
10
Typ
1-3
⎯
Max
⎯
⎯
Unit
nF
MΩ
General Specifications
Parameter
Calculated MTBF (in accordance with Telcordia TR-NWT-000332:
-1
I
O
=80% of I
O, max
, T
A
=40°C, Natural Convection airflow=0.3ms )
Weight
Min
⎯
⎯
Typ
1,571,000
55 (1.9)
Max
⎯
⎯
Unit
Hours
g (oz.)
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 Enable Signal Interface
(V
IN
=V
IN, min
to V
IN, max
; open collector or equivalent,
Signal referenced to V
IN(-)
terminal)
Logic Low = module Off, Logic High = module On
Logic Low, Remote On/Off Current
Logic Low , Remote On/Off Voltage
Logic High Voltage – (Typ = Open Collector)
Logic High maximum allowable leakage current
Turn-On Delay and Rise Times
(I
O
=80% of I
O, max
, T
A
=25°C)
Case 1: On/Off input is set ON and then input
power is applied (T
delay
= from instant at which
V
IN
=V
IN, min
until V
O
= 10% of V
O, set
).
Case 2: Input power is applied for at least 1 sec
and then On/Off input is set from OFF to ON
T
rise
= time for V
O
to rise from 10% of V
O, set
to 90%
of V
O, set
.
Output Voltage Overshoot –
Start-Up and Recovery from a S/C (V
O
≤
0.3V)
Output Over Voltage Protection
Over Temperature Protection
(See Features Description)
Input Under voltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysterisis
All
All
All
V
uv/on
V
uv/off
V
hyst
⎯
30.0
⎯
34.5
32.0
2.5
36.0
⎯
⎯
V
V
V
(Auto Restart)
Minimum C
O
of 1000µF must be fitted
All
All
All
All
A
F
All
V
O, limit
V
O, limit
T
ref
T
delay
Case1
Device
Symbol
Min
Typ
Max
Unit
All
All
All
All
I
on/off
V
on/off
V
on/off
I
on/off
⎯
-0.7
3.5
⎯
0.5
⎯
⎯
⎯
1.0
1.2
5.0
50
mA
V
V
µA
⎯
⎯
5
15
5
10
50
50
20
3
7.0
4.6
⎯
ms
ms
ms
% V
O, nom
V
V
°C
T
delay
Case2
T
rise
⎯
5.7
3.8
⎯
⎯
⎯
⎯
120
4
LINEAGE
POWER.
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
