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Converter cuts ownership cost

Posted: 27 May 2005 ?? ?Print Version ?Bookmark and Share

Keywords:rf power amplifier? pkj4316n? dc-dc converter? ericsson power modules? pkj-n?

Do you need high quality on-board power solutions in your RF power amplifier systems and other distributed power applications? The new dc-dc converter from Ericsson Power Modules promises just that. At 91.5 percent at half load and 91 percent at full load, the PKJ-N converters are highly efficient and thus offer a longer system lifetime and reduced cost of energy consumption, reducing the total cost of ownership.

This new product family presently consists of two products30.2V/8.3A/250W and 28.2V/11A/310W. The fully featured converters include output over-voltage, input under-voltage, over-temperature, and output short circuit protection, together with soft-start, remote sense, remote control and output voltage adjust functions.

With 1,500Vdc input to output isolation, the converters meet isolation requirements equivalent to basic insulation according to IEC/EN/UL60950. They also offer high reliability with a predicted MTBF of 3 million hours.

Keeping radiated EMI to a minimum, the PKJ4316N includes a ground plane in the PCB area under the dc-dc converter. This approach returns switching noise to ground as directly as possible, with improvements to both emissions and susceptibility, explained Ericsson. In addition, the new products use an industry standard half-brick design with widely used pin-out configuration for simple integration into existing amplifier designs and to provide secure sourcing.

In quantities of 1,000 pieces, the unit price is $61.50.

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