COSEL’s High-Reliability 80W DC-DC Converter Targets Demanding Apps

September 6, 2019 Alix Paultre

Cosel released their MGF80 high-reliability 80W DC-DC converter, offering a failure rate of below 30 parts-per-million (ppm). Available in two input voltages, 9V to 36V and 18V to 76V, the MGFS80 offers four output voltages, 3.3, 5, 12 and 15V, with a range of +/- 10 percent using a resistor bridge or potentiometer. A dual output version, the MGFW80 is available in two, factory trimmed output voltages, +/- 12V and +/- 15V, offering the possibility to provide respectively, 24V and 30V between the two ends.

The MGF80 series’ synchronous rectification and soft-switching, among other features, enables a 94 percent efficiency. All models deliver up to 81.6W, but to maintain high performance, the output power of the 3.3V MGFS80243R3 is limited to 59.4W. Features include an operating temperature range from -40 to +85 degrees C with a maximum case temperature of +110 degrees C, overcurrent and overvoltage protection, and thermal protection that switches the unit off when the maximum allowable safe temperature is reached.

The 50-gram MGF80 series has been tested to sustain rough conditions and has passed three axis vibration testing equivalent to 10G and shock testing of 50G. Housed in a six sided, brass, nickel plated housing measuring an industry standard 50.8 x 25.4 x 9.9 mm (2 x 1 x 0.39 inch), the unit uses lead-free plated copper pins. Input-output isolation is 1500VDC, with an input- and output-to-case isolation of 1000VDC. It is UL62368-1, C-UL [CSA62368-1) and EN62368-1 approved and CE mark 2014/35/EU. The MGFS80 and MGFW80 are RoHS compliant.

Learn more at www.coseleurope.eu.

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