GE Industrial Solutions KSTW004A2B Barracuda Series - Manual (Page 3)

GE Data Sheet
KSTW004A2B Barracuda™ Series; DC-DC Converter Power Modules
36-75Vdc Input; 12Vdc, 4.2A, 50W Output
April 1, 2013 ©2012 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Unless otherwise indicated, specifications apply at V
IN
= 48Vdc, resistive load, and T
A
= 25°C conditions.
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point
(V
IN
=48V
dc
, I
O
=I
O, max
,)
All V
O, set
11.82 12.00 12.36 V
dc
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
-20 +10 % V
O, set
Selected by external resistor
Remote Sense Range All +10 % V
O, set
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
)
RMS (5Hz to 20MHz bandwidth)
All
  40 mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth)   150 mV
pk-pk
External Capacitance (see Note 1 in Feature Specifications) All C
O, max
0  2200 μF
Output Current All I
o
0  4.2 A
dc
Output Current Limit Inception (Hiccup Mode) All I
O, lim
4.6  5.9 A
dc
Output Short-Circuit Current (V
O
≤ 250 mV) All I
O, s/c
 2.5  A
rms
Efficiency (V
IN
=48V
dc
, I
O
=I
O, max
) All η 89.0 90.0  %
Switching Frequency (Fixed)
All f
sw
 350  kHz
V
IN
=48V
dc
, I
O
= I
O, max
Dynamic Load Response
(Io/t=0.1A/s, V
IN
=48Vdc)
Load Change from Io= 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
 400  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
(I
O
=80%I
O, max
, T
A
=40°C, airflow = 200 lfm, 90% confidence)
FIT 261.1 10 9 /Hours
MTBF 3,829,239 Hours
Weight  13 (0.46)  g (oz.)