Mid-power 24 Vin modules
18 October 2006
Power Electronics / Power Management
Vicor has added eight mid-power Maxi DC-DC converters to the 24 V d.c. input family: a 3,3 Vout, 200 W model and 300 W models at 5, 12, 15, 24, 28, 36, and 48 Vout. The modules, which incorporate Vicor's patented low-noise zero-current and zero-voltage switching (ZCS/ZVS) topology - are appropriate for industrial or process control, distributed power, medical, ATE, communications, defence, and aerospace applications. With switching frequencies up to 1 MHz, the 24 V d.c. family provides rapid transient response well suited for RF applications.
According to Vicor, the new products provide designers who do not need the full-power capability of a 24 V Maxi module with a mid-power option, with all of the functionality and configurability of the high power models. In addition, low-noise ZCS/ZVS greatly reduces the design effort and filtering costs required for power converters to meet agency-conducted emissions requirements.
The modules, which are available in RoHS compliant models, are a compact 117 x 56 x 12,7 mm in size, and have a height above board of 10,9 mm.
With these new models, the company's 24 Vin Maxi family now comprises 16 models with output voltages from 3,3 to 48 V d.c. and power levels from 200 to 400 W. The converters operate from 24 V nominal input, with an input range of 18 V to 36 V. Efficiencies range up to 88% for the higher output voltages. These models are available in five different environmental grades, with six different pin options and three choices of baseplate. They can be configured in any combination with Vicor's Custom Module Design System at www.vicoreurope.com.
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