Regulated converter delivers 54V PoE from a 12V source
Murata announces a regulated converter which is designed to deliver isolated 54V PoE at up to 240W (enough to power 9 PoE devices at 25.5W) from a 12V source. The SPC-54/4.4-L12PG-C compact SIP (Single Inline Package) module 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 12 to 54V at 240W, to power and support multiple PoE devices.
Proprietary circuit architecture provides a 94% efficient, PoE compliant, 54V output. The module provides PoE safety requirement that include input to output isolation at 2,250VDC with basic insulation and over voltage protection that meets SELV requirements. The module is packaged in a SIP format to save board space and to optimise Pout capabilities in demanding applications.
Advanced thermal management allows 240W of power at 60°C in a very compact package. Total PCB board space required is just 67.0x8.9mm (2.64x0.35”).
With a Vin range of 10.5-13.2V, the SPC-54/4.4-L12PG-C is suitable for resource-efficient, end-to-end ICT ecosystems that utilise PoE devices. These devices might 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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