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Murata - Convection cooled AC/DC power supplies for medical applications offer high power efficiency

Post Date: 2017-08-14Manufacturer: Murata

Summary

Murata new wide input range, single output PQC series of industrial/medical power supplies are rated at 250W of output power and packaged in an industry-standard open frame 3” x 5”, 1U footprint.

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Murata new wide input range, single output PQC series of industrial/medical power supplies are rated at 250W of output power and packaged in an industry-standard open frame 3” x 5”, 1U footprint. This high-efficiency design can deliver its full output using convection cooling when operating in temperatures up to 50C. The PQC series accommodates the universal AC input voltage range from 90VAC to 264VAC and with a frequency range from 47Hz to 63Hz. The highly efficient convection cooling design employs optimal thermal management to deliver an energy efficiency rating of up to 95%.

The PQC series currently is available in 12V, 15V, 18V, 24V, 36V, 48V, or 54V single output variants, each with a 5V standby supply as standard. Featuring remote enable, the series consumes less than 500mW of power in standby mode. These power supplies can continuously deliver full output power across the wide temperature range 0C to 50C and up to 70C (with derating).

The series conforms to medical, consumer, and ITE IEC/EN/UL 60950-1 safety approvals and incorporates 2 X MOPP isolation. With an isolation of 4000VAC (input to output) or 1500VAC (input to PE), these units are ideal for powering equipment such as ultrasound monitors, blood pressure monitors, incubators, ECG equipment, and operating tables. EMI compliance is certified to EN55022 Class B conducted emissions.

Where an application requires more power or redundancy, the droop current share characteristic enables two or more power supplies to operate in parallel to increase output current capability and flexibility.


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