Medical 35 W triple output supplies need no minimum loading

The TDK-Lambda CUT35 low profile, triple output power supplies are packaged in the industry standard 2 x 4-in. footprint. The supplies require no minimum load, simplifying installation. They suit medical, industrial, broadcast and test and measurement applications.


Operating from a universal input voltage of 85 to 265 Vac, the CUT35 is available in two standard models. The CUT35-522 offers 5 V and +12 V output voltages and the CUT35-5FF features 5 V and +15 V with an output power of 35 W. The units can be configured as dual output power supplies (5 and 24V or 5 and 30 V) by connecting outputs 2 and 3 in series.


The two converter topology of the CUT35 enables zero minimum load operation and provides 500-Vac isolation between the 5 V and the secondary outputs. The 5-V output is user adjustable from 5 to 5.25 V, and does not impact the secondary output voltage settings. Convection cooled, the series features an operating temperature range from -20o to +70oC ambient (with appropriate de-rating above 60oC), and carries a 3-year warranty. Options for the product series include a cover (/A) and a mounting baseplate (/B).


The series has been certified to IEC/EN/ES 60601-1, IEC/EN/UL 60950-1 and carries the CE mark according to the LV and RoHS2 Directives. Input to output isolation is 3,000 Vac, input to ground 2,000 Vac and output to ground 500 Vac. Leakage current is less than 300 µA. All models meet EN 55011-B, FCC Class B conducted / radiated emissions and IEC 61000-4 immunity standards.

TDK-Lambda: http://us.tdk-lambda.com/lp/products/cut75-series.htm

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