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Ericsson extends POLA offering

Posted: 11 Jul 2005 ?? ?Print Version ?Bookmark and Share

Keywords:ericsson power modules? pola series? point of load regulator? pol regulator? point of load alliance?

Additional POL regulators from EricssonEricsson Power Modules expanded its interoperable Point Of Load Alliance (POLA) series of point of load (POL) regulators with 17 additional products intended for use in distributed power architectures. Offering secure sourcing and commonality of product specifications for ease of purchasing, the three POL platforms embrace current ratings from 6A to 60A, with most products available with 3.3V, 5V and 12V input capability.

Targeted at OEM and CEM customers with applications in communications, avionics, industrial and medical equipment, the new POL regulators provide a good fit with customers demanding multiple sources and design flexibility due to the number of vendors providing the same products within the POLA, said the press release.

Designed for use in applications with DDR and QDR memory chips where a tightly controlled termination voltage is needed, nine of the new regulators are able to generate a termination voltage (VTT) with a 40mV tolerance compared with the reference VDDQ. The DDR/QDR series is available in three different power levels: PME-V for 6A, PMF-V for 10A, and PMG-V for 15A versions. All are available in through hole and surface mount versions.

By maximizing power density to enable a minimized footprint, six single-in-line (SIP) products for 8A (PMK) and 18A (PML) have been introduced. Equipped with the aforementioned input voltages on all versions, the output voltage can be set to any value between 0.8V and 5.5V. According to the press release, the SIP platform has a higher power density and more features then other well-known footprints on the market.

The PMM family of products is available in two input voltage variants3V to 5.5V, and 8 Vin to 14Vin. These parts can deliver up to 60A of output current with an efficiency peak of 96 percent, while the output voltage can be externally configured by a chip resistor to any value between 0.8V and 5.5V.

Ericsson shared that the PMM regulators use an innovative 3-phase design for optimum performance, and a differential output sense feature for tight voltage control. The platform is unique due to its high power density combined with a high efficiency figure of 96 percent, added the company. Advanced features of the POLA interoperable regulators include power sequencing via an auto-track control, capability to start up into a pre-biased output, wide adjustment range, thermal shutdown, output sense, and inhibit control.

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