Data Sheet
GE
CAR0812DC Series DC-DC Converter
Input: -36VDC to -75VDC; Output: +12 VDC @ 850W; 3.3VDC or 5 VDC @ 1A
Feature Specifications (continued)
Parameter
Symbol
Min
Typ
Max
Unit
SMBAlert# (Interrupt) (Needs to be pulled HI via an external
Logic High (No Alert - normal)
IOH
VOH
IOL
20
12
4
µA
VDC
mA
VDC
0.7VDD
Logic Low (Alert is set)
0
VOL
0.4
Output current monitor (Imon)
Resolution
40
mV/A
ADC
Measurement range
Analog output range
Sourced output current
IOUT
Vmon
IOUT
0
0
80
3
VDC
5
mADC
Digital Interface Specifications
Parameter
Conditions
Symbol
Min
Typ
Max
Unit
PMBus Signal Interface Characteristics
Input Logic High Voltage (CLK, DATA)
VIH
VIL
IIH
2.1
0
3.6
0.8
10
VDC
VDC
μA
Input Logic Low Voltage (CLK, DATA)
Input high sourced current (CLK, DATA)
Output Low sink Voltage (CLK, DATA, SMBALERT#)
Output Low sink current (CLK, DATA, SMBALERT#)
Output High open drain leakage current
(CLK,DATA, SMBALERT#)
0
IOUT=3.5mA
VOL
IOL
0.4
VDC
mA
3.5
0
VOUT=3.6V
IOH
10
μA
PMBus Operating frequency range
Slave Mode
FPMB
10
400
kHz
Measurement System Characteristics (all measurement tolerances are typical estimations under normal operating conditions)
Clock stretching
tSTRETCH
IRNG
25
80
+3
14
+3
120
+5
80
+3
30k
5
ms
ADC
% of FL
VDC
%
IOUT measurement range
IOUT measurement accuracy 25°C
0
-3
0
Linear
Linear
Linear
Linear
Linear
-direct-
IACC
VOUT measurement range
VOUT measurement accuracy
VOUT(rng)
VOUT(acc)
Temp(rng)
Temp(acc)
VIN(rng)
-3
0
Temp measurement range
Temp measurement accuracy4
C
-5
0
C
VIN measurement range
VIN measurement accuracy
VDC
%
VIN(acc)
-3
0
Fan Speed measurement range
Fan Speed measurement accuracy
Fan speed control range
RPM
%
-5
0
100
%
4
Temperature accuracy reduces non-linearly with decreasing temperature
April 23, 2013
©2013 General Electric Company. All rights reserved.
Page 5
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
