Analog DC/DC converter delivers performance ratio for telecoms applications
Flex Power Modules has introduced the PKU4913D, the latest variant in its PKU-D series of analog DC/DC converters in the sixteenth brick format. The new converter delivers excellent electrical and thermal performance at an affordable cost.
Efficiency is high at typically 94.6% at Vin, 48 V at full load. Aimed primarily at telecoms applications, the new converter has an input voltage range of 36V to 75V, which meets the requirements of the European Telecom Standard ETS 300 132-2 for normal input voltage range in -48 and -60Vdc systems.
It provides an output of up to 8.3 A at 12V, thus delivering 100W, with output voltage trimming of up to 10%. Input to output isolation is 2250V.
The converter can be supplied with an optional baseplate, with cooling achieved mainly by conduction through a cold wall. In this configuration, performance is maintained, with no derating at 100°C.
The PKU4913D is supplied in an industry standard low profile sixteenth brick format, measuring 33.02 x 22.86 x 11.30mm (1.3 x 0.9 x 0.44 in). The converter includes sophisticated over-voltage, over-temperature and short circuit protection mechanisms, which increase reliability and operational lifespan. It has a mean time between failures of 13.88 million hours.
As with all Flex Power Modules’ DC/DC converters, the PKU4913D meets safety standards according to IEC/EN/UL 62368-1. The devices have an operating temperature range of -40°C to +125°C. The PKU4913D will be available in February 2021.
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