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Low-DCR inductors target current-sensing apps

Posted: 12 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:inductor? DC/DC? Vishay? power management? xx?

IFLP4040DZ01 inductors from Vishay

Vishay Intertechnology Inc. has launched a series of low-profile, high-current inductors with a 3 percent DCR tolerance for current-sensing applications.

The 10.16-by-10.16mm IFLP4040DZ01 inductors features a maximum height profile of 4 mm. The IFLP offers saturation currents ranging from 20A to 36A, a DCR tolerance of 3 percent, and inductance values from 0.34?H to 0.62?H in 4040 footprint.

With the lowest DCR/?H for their respective package sizes, the company said the IFLP serve as high-performing, space- and power-saving solutions for VRM and DC/DC converter applications in end products including next-generation mobile devices, notebooks, desktop computers, servers, graphic cards, portable gaming devices, personal navigation systems, personal multimedia devices and automotive systems. Typical applications include low-profile, high-current power supplies and POL converters, distributed power systems and FPGAs.

Featuring a 0.88-milliohm DCR and ferrite as its core material, the IFLP allows less power drain on power-limited battery systems, eliminating core-loss increases over time, thus giving end-users reliable, long-term performance.

The IFLP can also handle high transient current spikes without hard saturation and operate at a frequency up to 5MHz. Packaged in an RoHS-compliant, Pb-free shielded construction, they are specified for an operating temperature range of 55C to 125C with high resistance to thermal shock, moisture, mechanical shock and vibration. Lead time for production quantities is eight to 10 weeks.

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