GE Industrial Solutions FNW500R Series - Manual (Page 3)

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.