105 DC-DC converters for medical designs: Page 2 of 2

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.
In cases of excess of heat, an internal over-temperature protection is set at +115 ºC case. According to the MIL-HDBK-217F, at full load and +25 ºC, the PMM15 and PMM20 have an MTBF of 2 million hours, and the PMM30 of 1.1 million hours.

An optional remote control pin (P) for positive logic and (N) for negative logic is available to externally control ON/OFF. All single output voltage modules can be externally adjusted up and down by adding a resistor bridge connected to the trimming pin.

Supplied in a non-conductive black plastic housing and potted with a UL94-V0 silicon compound, the PMM15 and PMM20 are sized at 40.6 x 25.4 x 10.2 mm (1.6 x 1 x 0.4 in) and weigh 24 grams. The PMM30 is available in a 50.8 x 25.4 x 10.2 mm (2.0 x 1.0 x 0.4 in) housing and weighs 32 grams. THe DC-DC converters are aimed at medical applications such as home healthcare auxiliary equipment, ultrasound, assisted ventilation, infusion pumps, dental chair and supervisory systems and many others. In industrial applications, the 5,000VAC reinforced isolation figure allows designers to add an IGBT high power drive channel to any industrial power supply, meeting the safety requirement required by such applications.

The PMM family includes 6 series, 3W PMM03 ; 6W PMM06 ; 10W PMM10 ; 15W PMM15 ; 20W PMM20 and 30W PMM30.

All products conform to the European directive RoHS, REACH and are CE marked.


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