DC/DC converters for IP65 applications

8th February 2016
Posted By : Joe Bush
DC/DC converters for IP65 applications

MTM Power’s primary switched PCMDS150WK-IP65 DC/DC converters are specially designed for applications in vehicle and rail technology but also for use in industrial and telecommunication applications.

The push-pull topology used while developing these converters enables a wide input voltage range with high efficiency. Thus the 150W converters are available with a wide input range for battery voltages of 24V, 36V, 48V, 60V, 72V, 80V, 96V and 110V EN 50 155.

With the help of a transformer and a secondary linear choke, a galvanically isolated output voltage of 24V is produced which is adjusted by pulse-width modulation according to the current mode principle. The dimensions are 192 x 115 x 68mm (length x wide x height).

The thermoselective vacuum encapsulation (EP 1 987 708, US Patent No. 8,821,778 B2) guarantees uniform heat dissipation within the modules, as well as excellent resistant against environmental influences such as shock, vibration and moisture. The converters are suitable for applications with protection degree IP65 and thus they are complying with EN 60 068-2-1/2-2/2-11/2-14/2-30. The converters need no ground load and are short circuit protected by primary and secondary power limiting. The converters are maintenance-free, prepared for use in devices with Protection Class II and fulfil the low voltage directive. 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.

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