GE Industrial Solutions FNW700R Series - Manual (Page 3)

Data Sheet
October 24, 2011 FNW700R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 700W Output
LINEAGE POWER 3
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point
(V
IN
=V
IN,nom
, I
O
=I
O, max
, T
c
=25°C)
All V
O, set
27.5 28 28.5 V
dc
Output Voltage
(Over all operating input voltage, resistive load,
and temperature conditions until end of life)
All V
O
27.15  28.85 V
dc
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
) All  0.05 0.2 %V
o
Load (I
O
=I
O, min
to I
O, max
) All  0.05 0.2 %V
o
Temperature (T
c
= -40ºC to +100ºC) All  100 300 mV
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) All  80 mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth) All  300 mV
pk-pk
External Capacitance
Note: use a minimum 470uF output capacitor. If
the ambient temperature is less than -20
0 C, use
more than 3 of recommended minimum
capacitors.
All C
O, max
470 1000 5000 μF
Output Current All I
O
2 25 A
dc
Output Current Limit Inception All I
O, lim
26 29 32 A
dc
Efficiency
V
IN
=V
IN, nom
, T
c
=25 0 C
I
O
=I
O, max ,
V
O
= V
O,set
All η  90  %
Switching Frequency f
sw
 300  kHz
Dynamic Load Response
( I
O
/ t=1A/10s; 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)
All
V
pk
t
s

__
3
2 
__
%V
O, set
ms
Load Change from I
O
= 75% to 50% of I
o,max
:
Peak Deviation
V
pk
__ 3 __ %V
O, set
Settling Time (Vo<10% peak deviation) t
s
 2  ms
Isolation Specifications
Parameter Symbol Min Typ Max Unit
Isolation Capacitance C
iso
 1500  pF
Isolation Resistance R
iso
10   MΩ
General Specifications
Parameter Device Symbol Min Typ Max Unit
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)
All
FIT 405.4 10 9 /Hours
MTBF 2,466,797 Hours
Weight All
 150  g
(5.3) (oz.)