GE Industrial Solutions QBDW025A0B Barracuda Series - Manual (Page 5)

GE
Data Sheet
QBDW025A0B Barracuda Series; DC-DC Converter Power Modules
36-75Vdc Input; 12.0Vdc, 25.0A, 300W Output
May 9, 2013 ©2012 General Electric Company. All rights reserved. Page 5
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) VIH 2.1 3.6 V
Input Low Voltage (CLK, DATA) VIL 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 VOL 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
(* 5-10 kHz to accommodate hosts not
supporting clock stretching)
Slave Mode FPMB 5* 400 kHz
Measurement System Characteristics
Output current reading range I
OUT(RNG)
1.6500 63.9375 A
Output current reading blanking I
OUT(BNK)
0 1.5875 A
Output current reading resolution I
OUT(RES)
62.5 mA
Output current reading accuracy 16.5A< Iout <25.0A I
OUT(ACC)
-5.0 -1.4 3.0 %
Output current reading accuracy (absolute
difference between actual and reported values)
1.65A< Iout <16.5A I
OUT(ACC)
-1.7 2.5 A
V
OUT
reading range V
OUT(RNG)
0 15.9997 V
V
OUT
reading resolution V
OUT(RES)
0.244 mV
V
OUT
reading accuracy V
OUT(ACC)
-2.0 0.6 2.0 %
V
IN
reading range V
IN(RNG)
0 127.875 V
V
IN
reading resolution V
IN(RES)
125 mV
V
IN
reading accuracy V
IN(ACC)
-4.0 0.8 4.0 %
Temperature reading resolution T
(RES)
0.25
Temperature reading accuracy T
(ACC)
-5.0 5.0 %