DC-DC converters
6 July 2011
Power Electronics / Power Management
Vicor announced the newest additions to the IBC 050 and IBC 048 series of VI BRICK intermediate bus converters. The new family already comprises over 12 models, in eighth- and quarter-brick formats, delivering from 300 W up to 750 W.
The latest model is the IB050Q096T70N1-00, a high-power, 5:1 conversion ratio, open-frame drop-in replacement for industry-standard intermediate bus converters. It operates from a wide input voltage range of 36 to 60 V at power levels of up to 750 W, with 2250 V d.c. isolation from input to output, while achieving over 98% peak efficiency. The device delivers an output bus voltage of 7 to 12 V, while other family members with 4:1 conversion output 8,7 to 15 V. The family includes standard 38 to 55 V input range converters (IBC 048) as well as the wide-input IBC 050 types.
In all cases the modules are compliant with ETSI EN300 132-2 for 48 V telecom applications, and their high input-to-output isolation complies with IEEE 802.3 power-over-Ethernet (PoE) standards. IBC 048 and 050 VI BRICK bus converters use Vicor’s ‘Sine Amplitude Converter’ technology, with a 1 MHz switching frequency, fast transient response, low harmonic emissions and elimination of external bulk storage capacitors. The IB050Q096T70N1-00 also removes the need for heatsinks. Full power is available at 55°C ambient and only 200 LFM of airflow. The product’s standard quarter-brick outline of 58,4 x 36,8 mm has a profile of just 10,5 mm.
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