GE Industrial Solutions CAR2548DC series - Manual (Page 4)

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 4
Feature Specifications (continued)
Parameter Symbol Min Typ Max Unit
Output Voltage programming (Vprog)
Equation: Vout = 10.8 + (Vprog * 0.96)
Vprog range V
prog
0  2.5 V
DC
Programmed output voltage range Vo 10.8  13.2 V
DC
Voltage adjustment resolution (8-bit A/D) Vo  10  mV
DC
Output configured to 13.2Vdc V
prog
2.5 3.0 V
DC
Output configured to the 12Vdc set-point V
prog
3.0   V
DC
Enable [short pin controlling presence of the 12V
DC
output]
12V output OFF V
I
0.7V
DD
 12 V
DC
12V output ON V
I
0  0.4 V
DC
Write protect (Wp)
Write protect enabled V
I
0.7V
DD
 12 V
DC
Write protect disabled V
I
0  0.8 V
DC
INPUT-OK (Needs to be pulled HI via an external resistor)
Logic High (Input within normal range) I
OH
 20 µA
V
OH
0.7V
DD
 12 V
DC
Logic Low (Input out of range) I
OL
  20 mA
V
OL
0  0.4 V
DC
DC-OK ( Internally connected to 3.3V via a 10kΩ resistor)
Logic High (Output voltage is present) I
OH
 20 µA
V
OH
0.7V
DD
 12 V
DC
Logic Low (Output voltage is not present) I
OL
  20 mA
V
OL
0  0.4 V
DC
Over Temperature Warning (Needs to be pulled HI via an external
i t )
Logic High (temperature within normal range) I
OH
 20 µA
V
OH
0.7V
DD
 12 V
DC
Logic Low (temperature is too high) I
OL
  20 mA
V
OL
0  0.4 V
DC
Delayed shutdown after Logic Low transition T
delay
10 sec
Fault (Needs to be pulled HI via an external resistor)
Logic High (No fault is present) I
OH
 20 µA
V
OH
0.7V
DD
 12 V
DC
Logic Low (Fault is present) I
OL
  20 mA
V
OL
0  0.4 V
DC
PS Present (Needs to be pulled HI via an external resistor)
Logic High (Power supply is not plugged in) I
IL
  4 mA
Logic Low (Power supply is present) V
IL
0  0.1 V
DC