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2W POL is economical in tight layouts

Posted: 18 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:831 series? DC/DC converter? BI Technologies? Vince Biancomano?

BI Technologies' wide-input, 2W DC/DC converter in the 831 series is designed as a cost-effective solution for low-power, point-of-load applications in tight layouts.

"The converter uses a ceramic base and hybrid technology to virtually eliminate any external heat sink requirements, thus reducing the overall installed cost of the device," said Mike Ochoa-Hougan, hybrid product manager for the Electronic Components Division. "All the device requires is two external capacitors," he said, noting the device is particularly suited to powering logic-level control circuitry in commercial electromechanical systems.

The fixed-output (5V) converter, in a 1-by-0.5-by-0.225 thick SIP, features a line regulation of 1 percent (measured at an input voltage of 16V to 32V at 400mA), load regulation of 1 percent (at 100mA to 400mA), and output ripple of 120mVp-p maximum (at 24V in and 400mA). Operating efficiency (for the same conditions) is 70 percent. The converter, which can be vertically or horizontally mounted, is rated for operation over -10C to 70C.

Typical pricing for the converter is approximately $4 in medium range volumes, with lead times from stock to 8 weeks.

- Vince Biancomano

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