Owner's manual

GE
Data Sheet
SSTW005A0F Barracuda™ Series; DC-DC Converter Power Modules
36-75Vdc Input; 3.3Vdc, 5A, 15W Output
March 26, 2013 ©2012 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point
3.3 V
O
V
O, set
3.25 3.30 3.35 V
dc
(V
IN
=48V
dc
, I
O
=I
O, max
, T
A
=25°C)
Output Voltage
All V
O
-3.0

+3.0 % V
O, set
(Over all operating input voltage, resistive load, and temperature
conditions until end of life)
Adjustment Range
All V
O, adj
-10 +10 % V
O, set
Selected by external resistor
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
) All

0.05 0.2 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All

0.05 0.2 % V
O, set
Temperature (T
ref
=T
A, min
to T
A, max
) All
 
1.0 % V
O, set
Output Ripple and Noise on nominal output
Measured with 10uF Tantalum||1uF ceramic
(V
IN
=48V
dc
, I
O
=80%I
O, max
, T
A
=25°C)
RMS (5Hz to 20MHz bandwidth)
All
 
25 mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth)
 
75 mV
pk-pk
External Capacitance All C
O, max
0

1000 μF
Output Current All I
o
0

5.0 A
dc
Output Current Limit Inception (Hiccup Mode) All I
O, lim
5.5 7.0

A
dc
Output Short-Circuit Current
All I
O, s/c
 
0.8 A
rms
V
O
≤ 250 mV @ 25°C
Efficiency
V
IN
=48V
dc
, T
A
=25°C, I
O
=I
O, max
All η 86.0 87.5

%
Switching Frequency (Fixed)
All f
sw

350

kHz
V
IN
=48V
dc
and I
O
= I
O, max
Dynamic Load Response
(I
O
/t=0.1A/s, V
IN
=48V
dc
, T
A
=25°C, C
O
=100F)
Load Change from I
O
= 50% to 75% or 25% to 50% of I
O,max
:
Peak Deviation All V
pk

3.0

% V
O, set
Settling Time (Vo<10% peak deviation) All t
s

800

s
Isolation Specifications
Parameter Symbol Min Typ Max Unit
Isolation Capacitance C
iso

1000

pF
Isolation Resistance R
iso
10
 
MΩ
I/O Isolation Voltage All
 
2250 Vdc
General Specifications
Parameter Min Typ Max Unit
Calculated Reliability based upon Telcordia SR-332 Issue 2: Method I Case 3
(V
IN
=48V
dc
, I
O
=80%xI
O, max
, T
A
=40°C, airflow = 200 LFM, 90% confidence)
FIT 144.0 10
9
/Hours
MTBF 6,946,199 Hours
Weight

8.0 (0.28)

g (oz.)