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30-100W DC-DC converters from TDK-Lambda address railway applications

11th December 2009

TDK-Lambda

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Datasheet

TDK-Lambda has expanded its DC-DC converter line-up with the introduction of the new CN-A Series that have a wide range 60 -160VDC input, which is widely used in railway applications. Available with nominal output voltages from 5V to 24V (adjustable ±10%) and power ratings up to 100W, these wide input range, fully-regulated and isolated power supplies deliver exceptional performance in the industry standard quarter brick footprint.

The CN-A DC-DC modules are suitable for both rolling stock and fixed installations, enabling customers to design cost-effective EN50155 compliant systems without the risks associated with custom product designs and in a much shorter timescale. TDK-Lambda also offers a design and manufacture service for customers preferring to buy in complete systems meeting their exact electrical and mechanical requirements.

Designed for harsh environments, the CN-A Series meets the stringent shock and vibration requirements of IEC61373 Category 1 Class B*, as well as the Japanese equivalent standard JIS E 4031. In addition, all models accept the wide-range DC input commonly found in railway applications, which allows operation from any voltage between 60 and 160V.

These baseplate-cooled power supplies, with industry standard quarter-brick pinout, provide exceptionally high, true useable power from -40 to +100°C, without derating. The CN100A110-24 model, for example, offers up to 88% power conversion efficiency, 60.5W/in3 power density and delivers up to 4.2A useable output current in a package measuring (mm) 57.9 L x 36.8 W x 12.7 H.