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POL converters deliver high power efficiency

Posted: 23 May 2008 ?? ?Print Version ?Bookmark and Share

Keywords:POL? power efficiency? applications?

Power-One Inc. has introduced the YEV series of point-of-load (POL) DC/DC converters. These 3-, 6-, 10- and 20A vertically mounted products use advanced topologies to deliver up to 94 percent efficient power conversion in communications and server applications.

The YEV POL converters reduce the number of model numbers needed in inventory by combining wide input ranges from 4.5V to 13.8V, with user-defined 0.6V to 5.1V outputs. Other features include the capability to start up into prebiased loads; no minimum-load operation; UL94 V-0 flammability rating; 0 to 70 ambient-temperature operating ranges; and low-noise fixed-frequency topologies.

The 3-amp (YEV09T03), 6-amp (YEV09T06) and 10-amp (YEV09T10) products are available in an industry-standard 0.41-inch x 0.40-inch (10.41mm x 10.16mm) SIP footprint with a 0.65-inch (16.51mm) height. The 20-amp (YEV09T20) is offered in an industry-standard 1.45-inch x 0.34-inch (36.83mm x 8.6mm) SIP footprint, with a 0.61-inch (15.5mm) height.

Protection features include overcurrent and output overvoltage with automatic restart. Interface capabilities include power-good signal (YEV09T20) and enable inputs. Safety agency approvals include UL/CSA 60950-1, EN 60950-1 and IEC EN 60950-1.

- Gina Roos
eeProductCenter





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