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Regulated converter delivers POE compliant power

14 Mar 2016

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Murata has a new regulated converter that promises to deliver Power over Ethernet (PoE) compliant power from a 12V source.

The SPC-54/4.4-L12PG-C, which is designed to deliver isolated 54V PoE at up to 240W, is a compact single inline package (SIP) module can power up to nine PoE devices at 25.5W from a 12V source, according to the company.

The SPC-54/4.4-L12PG-C was developed to deliver power to Ethernet devices over traditional Cat 5 network cables in accordance with IEEE 802.3 PoE requirements. This unique PoE source module is designed to operate in applications that support a 12V power source, converting 12V to 54V at 240W, to power and support multiple PoE devices.

Proprietary circuit architecture provides a 94 per cent efficient, PoE compliant, 54V output. Murata's module provides PoE safety requirements that include input to output isolation at 2,250Vdc with basic insulation and overvoltage protection that meets SELV requirements. The module is packaged in a SIP format to save board space, and to optimize Pout capabilities in demanding applications.

Advanced thermal management allows 240W of power at 60°C in a very compact package, while total PCB space required is just 67.0mm x 8.9mm.

With a Vin range of 10.5V to 13.2V, the SPC-54/4.4-L12PG-C is suitable for resource-efficient, end-to-end information and communications technology (ICT) ecosystems that utilise PoE devices. These devices include VoIP phones, IP cameras, wireless access points, IPTV decoders, network routers, network switches, network intercoms, industrial sensors, keyless access systems, and lighting controllers.

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