Series PMDS/PCMDS30 for Railway Applications

PMDS/PCMDS30

Series PMDS/PCMDS30

This primary switched DC/DC converters series PMDS/PCMDS30 is especially designed for automotive and railway applications. These converters operate according to the current source push-pull principle and working with a frequency of 70/140 kHz.

Advantages of this switching topology are the wide input voltages with constant efficiency, transformer with good coupling and low leakage inductance, at the same time usable for direct control of the secondary synchronously detection.

The PMDS/PCMDS30 cover an input voltage of 14.4V DC to 154 VDC with only two different nominal voltages and are available with an output voltage of 5.1 V; 12 V; 24 V or 48 V with 30 W. The converters need no ground load and are short-circuit protected by primary and secondary power limitation. Further features are reverse polarity protection in connection with an active input current limiting.

Depending on the application, the converters are available either for print or chassis mounting. The converters are maintenance free, vacuum encapsulated, prepared for the use in devices with Protection Class II. They show a mechanically and electrically rugged design using SMD-technology and undergo an automatic piece-by-piece test.

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