Digital interface specifications, Car1212dc series dc-dc converter, Data sheet – GE Industrial Solutions CAR1212DC series User Manual
Page 5: Input: -36v, Output: 12v, Or 5 v, Feature specifications (continued)

GE
Data Sheet
CAR1212DC series DC-DC converter
Input: -36V
D C
to -75V
DC
; Output: 12V
DC
@ 1200W; 3.3V
DC
or 5 V
DC
@ 1A
October 21, 2013
©2013 General Electric Company. All rights reserved.
Page 5
Feature Specifications (continued)
Parameter
Symbol
Min
Typ
Max
Unit
SMBAlert# (Interrupt) (Pulled up internally to 3.3V via a 10kΩ resistor)
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
-250
+250
mV
Measurement range
I
o
0
100
A
DC
Analog output range
V
mon
0
10
V
DC
Sourced output current
I
o
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
100
A
DC
I
OUT
measurement accuracy 25°C
I
ACC
-10
+10
%
V
OUT
measurement range
Linear
V
OUT(rng)
0
14
V
DC
V
OUT
measurement accuracy
V
OUT(acc)
-5
+5
%
Temp measurement range
Linear
Temp
(rng)
0
120
°C
Temp measurement accuracy
Temp
(acc)
-5
+5
%
5
Temperature accuracy reduces non-linearly with decreasing temperature