Power Electronics / Power Management

15 Watt medical PSU

8 April 2015 Power Electronics / Power Management

XP Power announced the EML15 series of 15 Watt, single-output AC-DC power supplies suitable for use in medical equipment. Complying with 3rd edition EN60601-1, ES60601-1, CSA-C22.2 No. 60601-1, IEC60601-1 medical safety standards, it provides two means of patient protection (MOPP) between primary and secondary.

Measuring just 62,0 x 30,7 x 24,4 mm for the open-frame PCB mount version, the EML15 occupies very little board space and also offers a very high power density for this type of supply. With its Class II construction, no earth connection is required – ideal where a reliable ground connection may not be available.

Eight models are available in the common nominal output voltages from +3,3 to + 48 V d.c. A peak load feature allows the units to provide 130% of rated output power in order to accommodate short-term loads. This approach allows designers to avoid having to specify a higher rated power supply and saves both extra cost and board space.

In addition to an open frame PCB mounting format, other optional mounting packages are available. These include open-frame chassis mount with connectors, and encapsulated models with either PCB mounting or screw terminals. A DIN-rail mounting clip is also available for use with the encapsulated screw terminal package option.

The EML15 series is convection cooled and able to operate in most environments with a wide temperature range of –25°C to +70°C (derating must be applied above +50°C). No forced air flow or additional heatsinking is required.

The series meets the limits for Class B conducted and radiated EMC specifications of EN55022 without the need for any additional external filtering components.


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