Gate drive transformers have high potential of 2700VDC
Gate drive transformers, claimed to be suitable for high efficiency DC/DC converters, have been introduced by Pulse Electronics. The PG1427 series, which consists of the PG1427.001NL, PG1427.002NL, PG1427.003NL and the PG1427.004NL, has a high potential of 2700VDC and functional insulation between the gate and the drive windings.
The series use an industry standard lead frame in the internal design which improves the coplanarity. The transformers provide the same insulation to the feedback loop as the power transformer provides to the power train. They have a small footprint and low profile of 8.25x6.9x3mm, high functional isolation and an operating temperature of -40 to +125°C.
The operating frequency of the series is 50-500KHz, enabling optimal functionality in wireless base stations and power switching telecomms applications. To meet functional isolation standards, the transformers provide insulation from the IC to the drive transistor. The series are RoHS compliant and available in tape and reel.
Prices start at approximately $0.60 in quantities of 10,000, with a delivery time of 8 weeks.
"This high density gate drive transformer from Pulse employs a new design methodology to provide a high potential of 2700VDC in the existing small footprint, low profile platform," said Jack Cheng, China Marketing Manager, Pulse Electronics. "In addition, the higher power density delivers higher saturation current for equivalent sizes of the converter."
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