Configurable output voltage, high isolation DC/DC converters for IGBT and MOSFET gate drive applications


Murata announced the MGJ3 and MGJ6 series of configurable output voltage, high isolation DC/DC converters from Murata Power Solutions. These 3Watt and 6 Watt

surface mounted devices are optimized for use as high-side and low-side gate drivers in IGBT and MOSFET bridge circuit designs.
Providing triple output voltages of +15, +5 and -5VDC, these converters provide optimum switching of IGBT drives for best overall system efficiency. In addition, the outputs are configurable to suit a number of different circuit requirements such as +15 and -5VDC or +20 and -5VDC. Both the MGJ3 3Watt and the MGJ6 6 watt converters are available with a choice of wide input voltages around nominal +5, +12 or +24VDC inputs. The input ranges cater for 4.5 to 9VDC (+5 VDC nominal), 9 to 18VDC (+12 VDC nominal) and 18 to 36VDC (+ 24VDC nominal).
The MGJ3 measures 23.11 x 22.61 × 14.65 mm and the MGJ6 is 31.24 × 22.61 × 14.65 mm. Both series can operate over the wide temperature range from – 40 to + 105°C, Short circuit and overload protection features ensure a robust operation during system fault conditions.


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