Efficient converters meet standards

02 June 2009

Wide-input 28 V Micro DC-DC converters.
Wide-input 28 V Micro DC-DC converters.

DC-DC converters have improved output voltages and efficiencies up to 82%.

The Brick Business Unit of Vicor announced the addition of eight wide-input Micro DC-DC converters to the 28 VDC input family. These models have nominal output voltages ranging from 3.3 VDC to 48 VDC and a maximum power of 100 W (50 W at 3.3 Vout and 5 Vout, and 100 W at 12, 15, 24, 28, 36 and 48 Vout). These modules target either 12 V or 24 V applications, such as MIL-COTS or commercial battery systems in vehicles. They also meet the European standard for electronic equipment used in rolling stock; EN50155, and can be used in a variety of vehicle or man-portable applications including lighting, communications, portable test equipment, display and control systems.

With efficiency up to 82%, the converters operate from 28 V nominal input with an input range of 9 V to 36 V. These models are available in four environmental grades – with operating temperatures as low as –55°C – with six pin options and three baseplate options. These compact modules are also available in RoHS-compliant variants, and measure a compact 57.9 x 36.8 x 12.7 mm (2.28 x 1.45 x 0.5 in), with a wide trim range of 10% to 110% of nominal output voltage.

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