Emerson DCS4830 TV Converter Box User Manual


 
SAG584622000 System Application Guide
Issue AB, November 18, 2009 Spec. No. 584622000 (Model DCS4830)
Page 12 of 17
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1.2.4 Typical Input Data - When equipped with three Converter Modules.
(A) The output voltage of the DC-DC Converter Modules are initially adjusted to 48 volts at 50%
load and 24 volts DC input.
Input Voltage
Percent
of Full Load
Input Current
(Amps)
Efficiency
(%)
Typical Heat
Dissipation
(BTU/Hr)
0 2.42 -- 173
25 20.90 82.3 265
50 39.59 86.4 385
75 59.09 86.4 575
21 VDC
100 79.23 85.4 828
0 2.12 -- 174
25 18.45 81.6 278
50 34.67 86.4 387
75 51.54 86.7 562
24 VDC
100 69.10 85.7 810
0 1.88 -- 180
25 16.02 80.5 298
50 29.77 86.2 392
75 44.25 86.5 569
28 VDC
100 59.11 85.9 799
(B) Maximum Current: Maximum input current is 79.23 amperes at full load (30 amperes) and
21 volts DC input.