GE Industrial Solutions CAR2548DC series - Manual (Page 5)

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 5
Feature Specifications (continued)
Parameter Symbol Min Typ Max Unit
SMBAlert# (Interrupt) (Needs to be pulled HI via an external
i t )
Logic High (No Alert - normal) I
OH
 20 µA
V
OH
0.7V
DD
 12 V
DC
Logic Low (Alert is set) I
OL
  20 mA
V
OL
0  0.4 V
DC
Output current monitor (Imon)
Resolution 100 mV/A
Accuracy -5 5 % of FL
Measurement range I
o
0 52 A
DC
Analog output range V
mon
0 5.2 V
DC
Sourced output current 5 mA
DC
Digital Interface Specifications
Parameter Conditions Symbol Min Typ Max Unit
PMBus Signal Interface Characteristics
Input Logic High Voltage (CLK, DATA)
V
IH
2.1 3.6 V
DC
Input Logic Low Voltage (CLK, DATA) V
IL
0 0.8 V
DC
Input high sourced current (CLK, DATA) I
IH
0 10 μA
Output Low sink Voltage (CLK, DATA, SMBALERT#) I
OUT
=3.5mA V
OL
0.4 V
DC
Output Low sink current (CLK, DATA, SMBALERT#) I
OL
3.5 mA
Output High open drain leakage current
(CLK,DATA, SMBALERT#)
V
OUT
=3.6V I
OH
0 10 μA
PMBus Operating frequency range Slave Mode F
PMB
10 400 kHz
Measurement System Characteristics
Clock stretching
t
STRETCH
25 ms
I
OUT
measurement range Linear I
RNG
0 52 A
DC
I
OUT
measurement accuracy 25°C I
ACC
-3 +3 % of FL
V
OUT
measurement range Linear V
OUT(rng)
0 60 V
DC
V
OUT
measurement accuracy V
OUT(acc)
-3 +3 %
Temp measurement range Linear Temp
(rng)
0 120 C
Temp measurement accuracy 6 Temp
(acc)
-5 +5 C
I
IN
measurement range Linear I
IN(rng)
0 80 A
DC
I
IN
measurement accuracy I
IN(acc)
-5 +5 %
V
IN
measurement range Linear V
IN(rng)
0 80 V
DC
V
IN
measurement accuracy V
IN(acc)
-3 +3 %
P
IN
measurement range Linear P
N(rng)
0 3000 W
P
IN
measurement accuracy P
IN(acc)
-5 +5 %
Fan Speed measurement range Linear 0 30k RPM
Fan Speed measurement accuracy -5 5 %
Fan speed control range -direct- 0 100 %
6 Temperature accuracy reduces non-linearly with decreasing temperature