Car0812dc series dc-dc converter, Data sheet, Input: -36v – GE Industrial Solutions CAR0812DC Series User Manual
Page 5: Output: +12 v, Or 5 v, Feature specifications (continued), Digital interface specifications
GE
Data Sheet
CAR0812DC Series DC-DC Converter
Input: -36V
DC
to -75V
DC
; Output: +12 V
DC
@ 850W; 3.3V
DC
or 5 V
DC
@ 1A
April 23, 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
4 mA
V
OL
0
0.4 V
DC
Output current monitor (Imon)
Resolution
40
mV/A
Measurement range
I
OUT
0 80
A
DC
Analog output range
V
mon
0 3
V
DC
Sourced output current
I
OUT
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 (all measurement tolerances are typical estimations under normal operating conditions)
Clock stretching
t
STRETCH
25 ms
I
OUT
measurement range
Linear
I
RNG
0 80 A
DC
I
OUT
measurement accuracy 25°C
I
ACC
-3
+3
% of FL
V
OUT
measurement range
Linear
V
OUT(rng)
0
14
V
DC
V
OUT
measurement accuracy
V
OUT(acc)
-3 +3 %
Temp measurement range
Linear
Temp
(rng)
0
120
C
Temp measurement accuracy
4
Temp
(acc)
-5 +5
C
V
IN
measurement range
Linear
V
IN(rng)
0
80 V
DC
V
IN
measurement accuracy
V
IN(acc)
-3 +3 %
Fan Speed measurement range
Linear
0
30k
RPM
Fan Speed measurement accuracy
-5
5
%
Fan speed control range
-direct-
0
100
%
4
Temperature accuracy reduces non-linearly with decreasing temperature