Data Sheet
GE
KSTW002A5B Barracuda ™ Series; DC-DC Converter Power Modules
36-75Vdc Input; 12Vdc, 2.5A Output
Electrical Specifications (continued)
Unless otherwise indicated, specifications apply at VIN = 48Vdc, resistive load, and TA = 25°C conditions.
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set-point
(VIN= 48Vdc, IO=IO, max,)
All
VO, set
11.82
12.00
12.18
Vdc
Output Voltage
All
VO
-3.0
-20
+3.0
% VO, set
(Over all operating input voltage, resistive load, and temperature
conditions until end of life)
Adjustment Range
All
All
VO, adj
+10
+10
% VO, set
% VO, set
Selected by external resistor
Remote Sense Range
Output Regulation
Line (VIN=VIN, min to VIN, max
Load (IO=IO, min to IO, max
Temperature (Tref=TA, min to TA, max
)
All
All
All
0.05
0.05
0.2
0.2
1.0
% VO, set
% VO, set
% VO, set
)
)
Output Ripple and Noise on nominal output
Measured with 10uF Tantalum||1uF ceramic
(VIN= 48Vdc, IO=80%IO, max
)
RMS (5Hz to 20MHz bandwidth)
30
100
mVrms
mVpk-pk
μF
0
All
All
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance (see Note 1 in Feature Specifications)
CO, max
Io
2200
2.5
Output Current
(VIN =36V to 75V)
All
0
Adc
Output Current Limit Inception (Hiccup Mode)
(VIN =36V to 75V)
All
All
All
IO, lim
IO, s/c
η
2.7
3.8
Adc
Arms
%
2.7
90
Output Short-Circuit Current (VO ≤ 250 mV)
Efficiency (VIN=48Vdc, IO=IO, max
)
Switching Frequency (Fixed)
VIN=36 to 48Vdc, IO= IO, max
Dynamic Load Response
All
fsw
350
kHz
(Io/t=0.1A/s)
Load Change from Io= 50% to 75% or 25% to 50% of Io,max
:
Peak Deviation
All
All
Vpk
ts
2
% VO, set
Settling Time (Vo<10% peak deviation)
200
s
Isolation Specifications
Parameter
Symbol
Ciso
Min
Typ
1000
Max
Unit
pF
Isolation Capacitance
Isolation Resistance
I/O Isolation Voltage
Riso
10
MΩ
Vdc
All
2250
General Specifications
Parameter
Min
Typ
Max
Unit
FIT
>270
109/Hours
Calculated Reliability based upon Telcordia SR-332 Issue 2: Method I Case 3
(IO=80%IO, max, TA=40°C, airflow = 200 lfm, 90% confidence)
MTBF
>3,600,000
13 (0.46)
Hours
g (oz.)
Weight
September 26, 2013
©2013 General Electric Corporation. All rights reserved.
Page 3
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