Data Sheet
September 6, 2008
FNW700R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 700W Output
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
; open collector or equivalent),
Refer to remote on/off description and Figure 11.
Remote On/Off Current – Logic ON
Remote On/Off Current – Logic OFF
Turn-On Delay and Rise Times
(V
IN
=V
In,nom
, I
O
=I
O, max
, 25C)
Case 1: On/Off input is set to Logic Low (Module
ON) and then input power is applied (T
delay
from
instant at which V
IN
= V
IN, min
until Vo=10% of V
O,set
)
Case 2: Input power is applied for at least 1 second
and then the On/Off input is set from OFF to ON
(T
delay
= from instant at which V
IN
=V
IN, min
until V
O
=
10% of V
O, set
).
T
rise
= time for V
O
to rise from 10% of V
O,set
to 90%
of V
O,set
.
Output Voltage Overshoot
(I
O
=80% of I
O, max
, T
A
=25°C)
Output Voltage Adjustment
(See Feature Descriptions):
Output Voltage Remote-sense Range
(only for No Trim or Trim down application )
Output Voltage Set-point Adjustment Range (trim)
Output Overvoltage Protection
Over Temperature Protection
(See Feature Descriptions)
Input Under Voltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysteresis
Input Over voltage Lockout
Turn-on Threshold
Turn-off Threshold
Hysteresis
All
All
All
All
All
All
V
IN, OVLO
⎯
79
---
76
80
4
78
⎯
---
V
dc
V
dc
V
dc
30
V
IN, UVLO
35
31
4
36
V
dc
V
dc
V
dc
All
All
All
All
V
sense
V
trim
V
O, limit
T
ref
__
__
__
⎯
106
2
110
38
⎯
%V
o,nom
%V
o,nom
V
°C
Device
Symbol
Min
Typ
Max
Unit
All
All
I
on/off
I
on/off
1.0
⎯
⎯
⎯
5.0
50
mA
μA
All
T
delay
60
75
100
ms
All
All
T
delay
⎯
5
⎯
ms
T
rise
⎯
25
⎯
3
ms
% V
O, set
60
32
⎯
LINEAGE
POWER
4
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
