105 DC-DC converters for medical designs

May 27, 2019 //By Nick Flaherty
105 DC-DC converters for medical designs
Powerbox has launched 105 different DC-DC converters, all with 2xMOPP protection for medical designs.

Three new series of 15W, 20W and 30W board mount DC-DC converters have reinforced isolation of 5,000VAC with two means of patient protection (2xMOPP) and low leakage current of 2µA. The converters have 2:1 and 4:1 input voltage ranges covering from 9V to 75V and outputs from 5V to +/-15V.

The PMM15, PMM20 and PMM30 are certified to the 3rd Edition of the IEC/EN/ANSI/AAMI ES 60601-1 medical safety standard and EMI levels as specified by EN55011, EN55032 and FCC Part 18, Class A without using external components and rated for the highest levels of patient protection at 2xMOPP. With a clearance and creepage distance of 8mm, the modules ensure operator and patient safety and protection in medical applications. The DC-DC converters are all covered by a five year warranty.

Many countries such as China or those in South America are bringing healthcare to populations based in mountainous regions, and it is very common in those countries for healthcare centers and hospitals to be located at altitudes higher than 3,000 meters. Medical equipment must be designed to guarantee the highest level of safety up to 5,000 meters. The PMM15, PMM20 and PMM30 have been designed for this and they also comply with the Chinese Safety Standard GB 4943.1-2011 requirement for operation at altitude.

The PMM15, PMM20 and PMM30 wide input (2:1) units are available in three input voltage ranges, 9-18V, 18-36V, 36-75V, and the ultra-wide input (4:1) versions in two input voltage, 9-36V and 18-75V. All models are fully regulated with a complete range of output voltages comprising 5V, 12V, 15V, 24V, +/-5V, +/-12V and +/-15V. No minimum load is required and tight regulation from no load to full load of +/-0.2% on single output, and +/-0.5% on dual output is provided.

The DC-DC converters have an efficiency up 90% and can be operated within an ambient temperature of -40 to +105 ºC. In the case of natural convection a derating may apply.

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