Vicor debuts high-density bus converter
Staff -- Test & Measurement World, 5/1/2007
Vicor has announced the availability of a high-voltage V•I Chip BCM bus-converter module with a power density of greater than 1000 W/in3. Designated B384F120T30, the high-efficiency (>95%) module employs the company’s Sine Amplitude Converter (SAC) technology and operates from a 360- to 400-VDC primary bus to deliver an isolated low-voltage secondary.
The 12-V (nominal) output can be paralleled for high current or connected in series to create a 48-V bus. The V•I Chip package measures 1.28x0.87x0.26 in. and is compatible with standard pick-and-place surface-mount machinery and assembly processes. It provides flexible thermal management through its low junction-to-case and junction-to-board thermal resistance. The low impedance of the BCM converter enables point-of-load capacitance minimization or elimination, while the positive temperature coefficient of the output means that converters can provide load-current sharing with no interconnect circuitry.
Base price: $37.50 in OEM quantities. A 300-W BCM evaluation board costs $99; a 1.2-kW demo board costs $399. Vicor, www.vicr.com.
