V•I Chip Family in Full Production

V•I Chip Family in Full Production

Following the launch of the Bus Converter V•I Chip in August 2006, Vicor has announced that a full family of further V•I Chips components, required for implementing complete Factorized Power Architectures (FPA), entered production in November. Using the Pre-Regulator Module (PRM) and the Voltage Transformation Module (VTM) 48 Vdc input FPA systems can now be implemented that provide isolated, regulated outputs from 0.8 to 55 Vdc. The current range of standard V•I Chip products is targeted to meet the requirements of customers in the high volume manufacture of RF and communications systems, high-end servers,...

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A New Lower-Cost 2nd Gen Option for DC-DC Modules and VIPAC Arrays

A New Lower-Cost 2nd Gen Option for DC-DC Modules and VIPAC Arrays

Vicor customers will be pleased to know that there is now a new, lower cost option for the high performance line of 2nd Generation dc-dc converter modules and VIPAC Arrays – E-Grade versions. With the addition of the E-grade, Vicor can now offer four different environmental grades of the 2nd Gen product family: E-grade products have an operating temperature range down to –10°C; C-grade operate down to –25 °C; T and H-grades at –40 °C; and M-grades at –55 °C. Additionally H and M-grade products undergo extensive environmental screening prior to shipment. These dc-dc...

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Mobile Radio (Helicopter)

Mobile Radio (Helicopter)

A professional mobile radio, used for civil and military communications, emergency services, aid, vigilance and control, is powered by Vicor. The modules provide mechanical and thermal ruggedness, correct temperature and humidity ranges, Radio Frequency Susceptibility (radiated and conducted) performances, high-efficiency, and shock and vibration resistance. The European Organization for Civil Aviation Electronics (EUROCAE), who works jointly with RTCA in the development of standards, defines a series of minimum standard environmental test conditions and applicable test procedures for airborne equipment. The purpose of these tests, which last 20 days, is to determine the performance characteristics...

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Basic Guidelines for EMI Filtering

Basic Guidelines for EMI Filtering

All switching power supplies generate signals that can potentially interfere with other electronic circuits as a result of the switching action. Vicor’s quasi-resonant, zero-current switching topology generates far less conducted and radiated noise than other topologies, both in magnitude and frequency spectrum. EMI filtering can reduce the noise by an additional 40-60 dB.The most effective means to reduce common mode noise current is to bypass both input leads as well as both output leads with “Y” capacitors, keeping the leads short to reduce parasitic inductance. Additionally, a common mode choke is usually required to...

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New Mid-Power 48 Vin Micro Modules

New Mid-Power 48 Vin Micro Modules

Vicor has added six mid-power Micro DC-DC converters to the 48 Vdc 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 these new models, the 48 Vin Micros family now comprises 16 models with output voltages from 2 to 48 Vdc and power levels from 50 to 150 W. The converters operate...

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New Mid-Power Micro Modules

New Mid-Power Micro Modules

Vicor has added seven mid-power Micro DC-DC converters to the high-density 300 Vdc input family: two 50 W models, one at 3.3 Vout and 5 Vout, and five 75 W models at 12, 15, 24, 28, and 48 Vout. The modules are appropriate for designing off-line power systems for industrial and process control, distributed power, medical, ATE, communications, defense, and aerospace applications. The addition of these modules doubles the size of the high-power density 300 Vin Micro family, which previously consisted of 100 W at 5 Vout, and 150 W at 12, 15, 24,...

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Our Goal: High Performance, On Time, Always

Vicor prides itself on the high performance, small size and wide selection of the products we offer; however, we are also focused on ensuring our products are delivered quickly, on time and to exacting quality standards. Our website now has a Quality Centre, a comprehensive online resource of Vicor quality systems. The visitor can create a custom quality report or take a ‘virtual tour’ of Vicor’s 21,400sq metre factory, showing the key stages in the manufacture of our products. There is a library of documentation, videos, and process charts, downloadable reports in PDF format,...

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