Electrical specifications, Isolation specifications, General specifications – GE Industrial Solutions FNW500R Series User Manual
Page 3: Continued)

Data Sheet
October 5, 2009
FNW500R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 500W 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 %Vo
Load (I
O
=I
O, min
to I
O, max
) All
⎯
0.05 0.2
%Vo
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
⎯
140
300
mV
pk-pk
External Capacitance
Note: use a minimum 470uF output capacitor. If
the ambient temperature is less than -20
o
C, use
more than 3 of recommended minimum
capacitors.
All C
O, max
470 1000 5000
μF
Output Current
All
I
o
1.8 18
Adc
Output Current Limit Inception
All
I
O, lim
19
22
25.2
Adc
Efficiency
V
IN
=V
IN, nom
, T
c
=25°C
I
O
=I
O, max ,
V
O
= V
O,set
All
η
⎯
91
⎯
%
Switching Frequency
f
sw
⎯
300
⎯
kHz
Dynamic Load Response
(
ΔIo/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 Io= 50% to 75% of Io,max:
Peak Deviation
Settling Time (Vo<10% peak deviation)
All
V
pk
t
s
⎯
__
3
2
⎯
__
%V
O, set
ms
Load Change from Io= 25% to 50% of Io,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
FIT 402
10
9
/Hours
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
MTBF 2,487,326 Hours
⎯
150
⎯
g
Weight All
5.3 oz.