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

Date Published : 31/08/2015 Share with:

Murata has announced the MGJ3 and MGJ6 series of configurable output voltage, high isolation DC/DC converters from Murata Power Solutions. These 3 Watt 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 +5 VDC, 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 -5 VDC or +20 and -5 VDC.

Both the MGJ3 3 Watt and the MGJ6 6 watt converters are available with a choice of wide input voltages around nominal +5, +12 or +24 VDC inputs. The input ranges cater for 4.5 to 9 VDC (+5 VDC nominal), 9 to 18 VDC (+12 VDC nominal) and 18 to 36 VDC (+24 VDC nominal).

The MGJ3 measures 23.11 x 22.61 x 14.65 mm and the MGJ6 is 31.24 x 22.61 x 14.65 mm. Both series can operate over the wide temperature range from -40 to +105 degrees C, Short circuit and overload protection features ensure a robust operation during system fault conditions. Other control inputs include a disable pin to facilitate power saving and a frequency synchronization input that aids EMC filter design.

Typical applications for the MGJ series include use in motor drives, traction control drives and wind turbine generators.

Features

  • 3 outputs configurable for all gate drive applications: +15V/-5V, +15V/-10V & +20V/-5V outputs
  • ANSI/AAMI ES60601-1 pending
  • Reinforced insulation to UL60950 pending
  • Characterised dv/dt immunity
  • Characterised partial discharge performance
  • Ultra-low coupling capacitance 15pF

 

Click here for more information on the MGJ series from Anglia Live.

 

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