Power

DC-DC converters exceed patient protection specs

9th February 2015
Mick Elliott

The newly launched RECOM REM3, REM6 and REM10 medical DC-DC converters for patient-connected applications exceed the latest IEC 60601-1 (3rd edition) specifications for 2MOPP patient protection. The converters are available in the UK from Dengrove Electronic Components.  The 3W, 6W and 10W modules feature reinforced insulation for 250VAC working voltage, 5kVAC input-to-output isolation and 8mm creepage and clearance, meeting or exceeding the IEC 60601-1 requirements.

In addition, ultra-low patient leakage current of 2μA helps designers meet the lowest limits for medical devices, such as the 0.3mA maximum specified in North American UL 60601-1.

Design-in of the modules is simplified thanks to the convenient DIP24 outline, industry-standard pin-out, wide input-voltage ranges of 2:1 or 4:1, and choice of tightly regulated output voltages from 3.3V to 24V. Single- or dual-output versions are offered in each power rating. Conversion efficiency of up to 89% helps minimise system power consumption and simplify thermal management.

The family meets very high safety and environmental standards, including the European ErP directive and IEC 60950-1. All units carry the IECEE CB test certificate, thereby simplifying international product certifications, and are supplied with a three-year manufacturer’s warranty.

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