Data Sheet
September 6, 2008
FNW700R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 700W Output
Electrical Specifications
(continued)
Parameter
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=I
O, max
, T
c
=25°C)
Output Voltage
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
)
Load (I
O
=I
O, min
to I
O, max
)
Temperature (T
c
= -40ºC to +100ºC)
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
)
RMS (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
Note: use a minimum 470uF output capacitor. If
0
the ambient temperature is less than -20 C, use
more than 3 of recommended minimum
capacitors.
Output Current
Output Current Limit Inception
Efficiency
0
V
IN
=V
IN, nom
, T
c
=25 C
I
O
=I
O, max ,
V
O
= V
O,set
Switching Frequency
Dynamic Load Response
(ΔI
O
/Δt=1A/10μs; V
in
=V
in
,
nom
; T
c
=25°C; Tested
with a 470
μF
aluminum and a 10 µF ceramic
capacitor across the load.)
Load Change from I
O
= 50% to 75% of I
O,max
:
Peak Deviation
Settling Time (Vo<10% peak deviation)
Load Change from I
O
= 75% to 50% of I
o,max
:
Peak Deviation
Settling Time (Vo<10% peak deviation)
V
pk
t
s
⎯
__
3
2
⎯
__
%V
O, set
ms
All
C
O, max
470
1000
5000
μF
All
All
⎯
⎯
80
300
mV
rms
mV
pk-pk
All
All
All
⎯
⎯
⎯
0.05
0.05
100
0.2
0.2
300
%V
o
%V
o
mV
Device
All
All
Symbol
V
O, set
V
O
Min
27.5
27.15
Typ
28
⎯
Max
28.5
28.85
Unit
V
dc
V
dc
All
All
All
I
O
I
O, lim
η
f
sw
2
26
⎯
⎯
29
90
300
25
32
⎯
⎯
A
dc
A
dc
%
kHz
All
V
pk
t
s
__
⎯
3
2
__
⎯
%V
O, set
ms
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
Symbol
C
iso
R
iso
Min
⎯
10
Typ
1500
⎯
Max
⎯
⎯
Unit
pF
MΩ
General Specifications
Parameter
Calculated Reliability based upon Telcordia SR-
332 Issue 2: Method
I
Case 3 (I
O
=80%I
O, max
,
T
A
=40°C, airflow = 200 lfm, 90% confidence)
Weight
Device
All
MTBF
All
⎯
2,466,797
150
(5.3)
⎯
Hours
g
(oz.)
Symbol
FIT
Min
Typ
405.4
Max
Unit
10 /Hours
9
LINEAGE
POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
