GE Industrial Solutions 20A Digital MicroDLynx - Manual (Page 6)

GE
Data Sheet
20A Digital MicroDLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.45Vdc to 5.5Vdc output; 20A Output Current
April 24, 2013 ©2012 General Electric Company. All rights reserved. Page 6
Digital Interface Specifications
Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See
Feature Descriptions for additional information.
Parameter Conditions Symbol Min Typ Max Unit
PMBus Signal Interface Characteristics
Input High Voltage (CLK, DATA) V IH 2.1 3.6 V
Input Low Voltage (CLK, DATA) V IL 0.8 V
Input high level current (CLK, DATA) I
IH
-10 10 μA
Input low level current (CLK, DATA) I
IL
-10 10 μA
Output Low Voltage (CLK, DATA, SMBALERT#) I
OUT
=2mA V OL 0.4 V
Output high level open drain leakage current (DATA,
SMBALERT#)
V
OUT
=3.6V I
OH
0 10 μA
Pin capacitance C
O
0.7 pF
PMBus Operating frequency range Slave Mode F PMB 10 400 kHz
Data hold time
Receive Mode
Transmit Mode
t
HD:DAT
0
300
ns
Data setup time t
SU:DAT 250 ns
Measurement System Characteristics
Read delay time t
DLY
153 192 231 μs
Output current measurement range I
RNG
0 26 A
Output current measurement resolution I
RES
62.5 mA
Output current measurement accuracy at 25°C (with I
OUT,
CORR
)
I
ACC
±5 %
Output current measurement offset I
OFST
0.1 A
V
OUT
measurement range V
OUT(rng)
0 5.5 V
V
OUT
measurement resolution V
OUT(res)
15.62
5
mV
V
OUT
measurement accuracy V
OUT
,
ACC
-15 5 %
V
OUT
measurement offset V
OUT(ofst)
-3 3 %
V
IN
measurement range V
IN(rng)
0 14.4 V
V
IN
measurement resolution V
IN(res)
32.5 mV
V
IN
measurement accuracy V
IN, ACC
-15 5 %
V
IN
measurement offset V
IN(ofst)
-5.5 -2 1.4 LSB