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Transformers target high efficiency DC/DC converters

Posted: 24 Jul 2014 ?? ?Print Version ?Bookmark and Share

Keywords:Pulse Electronics? DC/DC converter? gate drive transformer? wireless base station?

Pulse Electronics Corp. has announced a line of gate drive transformers for high efficiency DC/DC converters. According to the company, the PG1427 series has a high HIPOT of 2.7kVDC and functional insulation between the gate and the drive windings. These surface mount devices offer excellent coplanarity for easy solderability.

The transformers have a small footprint and low profile of 8.25 x 6.9 x 3mm, high functional isolation and an operating temperature of -40°C to 125°C. The operating frequency of 50kHz up to 500kHz enables optimal functionality in wireless base stations and power switching telecom applications, added Pulse Electronics.

PG1427 series

The PG1427 series consists of the PG1427.001NL, PG1427.002NL, PG1427.003NL and the PG1427.004NL. They use an industry standard lead frame in the internal design that improves the coplanarity. Gate drive transformers provide the same insulation to the feedback loop as the power transformer provides to the power train. The gate drive also provides insulation from the IC to the drive transistor to meet functional isolation standards. The parts are RoHS compliant and available packaged in tape and reel. Prices start at about $0.60 in quantities of 10,000 with a delivery time of about eight weeks. Samples are in stock and available.


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