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Product category: DC/DC Convertors
News Release from: SynQor Europe | Subject: PowerQor Tera 52.5V
Edited by the Electronicstalk Editorial Team on 28 September 2004

Half-brick convertor powers up Ethernet

A new single-output isolated DC/DC convertor is ideally suited for power over LAN, IP telephony and isolated bus voltage applications.

A new single-output isolated DC/DC convertor is ideally suited for power over LAN, IP telephony and isolated bus voltage applications The standard half-brick module is part of the PowerQor Tera series and is capable of delivering 200W of output power at 52.5V

The open frame convertor employs synchronous rectification and a patented topology, providing excellent thermal performance and a full load efficiency of 92%.

The new Tera series convertor is designed specifically to comply with the IEEE802.3af standard for providing power over Cat5 LAN cabling to support next-generation VoIP phones and WLAN access points.

In accordance with the specification, SynQor's module provides increased input-to-output isolation of 2250V DC while satisfying the low common-mode noise requirement of the IEEE specification.

The convertor supports a telecomms input range of 35 to 75V and provides a precisely regulated output of 52.5V DC.

Additionally, the convertor's output can be trimmed up 10% or down 20%, providing accurate voltage margining and custom outputs.

The module features an industry-standard footprint of 61 x 58.4 x 11.3mm and the industry recognised pin out configuration.

The half-brick sized unit delivers 200W (3.85A) in a reliable open frame, single board package.

The optional baseplated version has a standard height of 0.5in and allows for through the board mounting of a heatsink to provide additional usable power in severe thermal environments.

To satisfy larger power demands, each module is available in a full feature version, allowing active current sharing to attain higher power levels and N+1 redundancy.

The full-feature convertors include two extra pins to provide both an external clock and startup synchronisation capability to achieve better EMI characteristics and a more consistent startup sequence.

SynQor's new half-bricks offer a wide operating temperature range of -40 to +100C and a calculated MTBF greater than 2.2Mh.

All convertors in the Tera series carry a comprehensive set of international safety approvals, including EN60950 and UL/cUL60950.

Control and protection features include on/off control, voltage trim, remote sense, input UVL, short circuit, current limit, output OVP and thermal shutdown.

Sample and production quantities of all versions of the 52.5V convertor are available immediately with a lead-time of stock to 8 weeks directly from SynQor and through their network of distributors.

The standard module is priced at $104.30 in 1000-unit quantities and the full-featured units are priced at $109.00 in 1000-off quantities. Request a free brochure from SynQor Europe ...

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