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SAG584622000 System Application Guide
Issue AB, November 18, 2009 Spec. No. 584622000 (Model DCS4830)
Page 10 of 17
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SPECIFICATIONS
1.1 Output Ratings
1.1.1 Voltage:
Nominal -48 volts DC, positive ground, non-adjustable.
1.1.2 Current: 10 amperes per DC-DC Converter Module, up to a total of 30 amperes per DC-DC
Converter Mounting Shelf when three (3) Converter Modules are installed.
1.1.3 Regulation
(A) Static:
Steady state output voltage remains within ±1 volt of the pre-adjusted voltage for
any load current from no load to full load and over the specified input voltage range.
(B) Dynamic: For a step load change of 50% within the range of 10% to 100% of full rated
current, the maximum voltage transient will not exceed 5% of the initial steady state voltage.
1.1.4 Filtering: With at least 10% of rated full load on the output (-20°C to +65°C).
(A) Voice band noise is less than 32 dBrnC when measured with a noise meter using 600 ohm
bridged input and C-message weighting.
(B) Wide band noise does not exceed 250 millivolts peak to peak over the frequency range of 0
Hz to 20 MHz.
(C) Wide band noise does not exceed 30 millivolts rms over the frequency range of 0 Hz to 20
MHz (as measured with an HP3400A true rms voltmeter).
(D) Noise below –20°C is slightly higher.
1.1.5 Output Distribution: Two (2) 6-Position GMT Fuse Modules are provided for connecting DC
output load leads.