Mid-power 48 Vin modules
18 October 2006
Power Electronics / Power Management
Vicor has added six mid-power Micro DC-DC converters to its 48 V d.c. input family: a 50 W model at 3,3 VOUT and 75 W models at 12, 15, 24, 28, and 48 VOUT. The modules - which incorporate Vicor's patented low-noise zero-current and zero-voltage switching (ZCS/ZVS) - are appropriate for power system applications in distributed power, medical, ATE, communications, defence and aerospace.
With the new models, the company's 48 VIN Micros family now comprises 16 models with output voltages from 2 to 48 V d.c. and power levels from 50 to 150 W. The converters operate from 48 V nominal input, with an input range of 36 V to 75 V. Efficiencies range up to 89% for the higher output voltages. These models are available in five different environmental grades, with six different pin options and three baseplate options.
According to Vicor, these mid-power products provide designers who do not require the full-power capability of the Micro module, with a wider range of options that will make their designs more cost-effective. In addition, the low noise ZCS/ZVS reduces the design effort and filtering costs required for power converters to meet agency conducted emissions requirements.
Available as RoHS-compliant models if required, the modules are a compact 57,9 x 36,8 x 12,7 mm in size with a height above board of 10,9 mm.
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