GE Industrial Solutions CAR2548DC series - Manual (Page 3)

GE Data Sheet
CAR2548DC series dc-dc converters
Input: -36Vdc to -75Vdc; Output: 48Vdc @ 2500W; 3.3Vdc or 5 Vdc @ 1A
December 6, 2013 ©2013 General Electric Company. All rights reserved. Page 3
48V
DC
MAIN OUTPUT (continued)
Parameter Symbol Min Typ Max Unit
Turn-ON overshoot V
OUT
3 %
Turn-ON delay
T
2 sec
Remote ON/OFF delay time 40 ms
Turn-ON rise time (10 – 90% of V
OUT
) 50 ms
Transient response 50% step [10%-60%, 50% - 100%]
(dI/dt – 1A/µs, recovery 300µs)
V
OUT
-2 +2 V
DC
Programmable range (hardware & software) 43.2 56 V
DC
Overvoltage protection, latched 4
(recover by cycling OFF/ON via hardware or software)
58 59 60 V
DC
Output current, V
out
= 48V
dc
I
OUT
0 52 A
DC
Power limit, V
out
= 48 to 56V
dc
P
OUT
2500 W
Current limit, Hiccup (programmable level)
I
OUT
105 130 % of FL
Active current share -5 +5 % of FL
External capacitance 0 5,000 5 µf
STANDBY OUTPUT
Parameter Symbol Min Typ Max Unit
Set point V
out
3.3 / 5.0 V
dc
Overall regulation (load, temperature, aging) V
out
-5 +5 %
Ripple and noise 50 mVp-p
Output current I
out
0 1 A
dc
General Specifications
Parameter Min Typ Max Units Notes
Reliability, at 25C
50C 250,000
100,000
Hrs
Full load, ; MTBF per SR232 Reliability protection
for electronic equipment, method I, case III,
Service Life 10 Yrs Full load, excluding fans
Weight Kgs/ (Lbs)
Feature Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See
Feature Descriptions for additional information.
Parameter Symbol Min Typ Max Unit
Remote ON/OFF (Needs to be pulled HI via an external resistor)
Logic High (Module ON) I
IH
 20 µA
V
IH
0.7V
DD
 12 V
DC
Logic Low (Module OFF) I
IL
  1 mA
V
IL
0  0.8 V
DC
4 The power supply will attempt three restarts prior to latching the shutdown level.
5 4,000µf electrolytic and 1,000µf tantalum capacitors