In addition to the existing certificates for the compliance of EMC characteristics according to EN...
The primary switched DC/DC converters PCMDS80 from MTM Power® are specially designed for applications in rail and vehicle technology, but are also used in industrial and telecommunication applications.
They are available with an output power of 80W, and operate according to the single transistor forward converter topology, with a frequency of 50kHz.
With the help of a transformer and a secondary linear choke, a galvanically isolated output voltage is produced, which is adjusted by pulse-width modulation according to the current mode principle.
The converters are available with three wide input ranges, covering the battery voltages of 24V, 36V, 48V, 60V, 72V, 80V, 96V and 110V acc. EN 50 155. The dimensions of the base plate version are 119mm x 100mm x 40 mm and of the heat sink version are 119mm x 115mm x 65 mm (length x wide x height).
The thermoselective vacuum encapsulation (EP 1 987 708, U.S. Patent No. 8,821,778 B2) guarantees homogeneous heat dissipation within the modules as well as an excellent resistance against environmental influences such as shock, vibration and humidity.
The converters need no ground load and are short-circuit protected by primary and secondary power limiting. They are also maintenance-free, prepared for use in devices with Protection Class II, and need no external components besides the protection fuse.
The converters fulfil the low voltage directive, as well as the EN 50 155 standard for electronic equipment in railway applications. They show a mechanically and electrically rugged design using SMD technology, and undergo an automatic piece-by-piece test.
Cooling is achieved by free convection. The converters without heat sink have to be mounted on a heat-dissipating surface.
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