DC/DC converter is optimised for IGBT, SiC and MOSFET drives

Announcing an extension to its MGJ6 series of isolated 6W, dual output DC/DC converters, Murata Power Solutions offers SIP, DIP and a low profile, surface mount package format. They are opimised to suit the bipolar voltages required for high-side and low-side IGBT, SiC and MOSFET gate drive applications, says the company. The series comprises combinations of wide input voltages with nominals of 5.0, 12, or 24V DC  and +15/- 5, +15/-10 or +20/-5V DC outputs.

Suitable for low to medium power applications that require a DC link voltage up to 3kV DC, the asymmetric outputs are claimed to provide optimum drive levels to maintain a high system efficiency with low EMI levels.

The converters have a characterised dV/dt immunity of 80kV/micro sec minimum at 1.6kV. This contributes to a degree of reliability in fast switching drive systems, says the company. The series also has characterised partial discharge performance, crucial to achieving a long service life in high performance applications.

Certification to safety standard UL60950 for reinforced insulation and the medical 3rd edition safety standard ANSI/AAMI ES60601-1 for 2 MOOPs and 2 MOPPs is currently pending.  Creepage and clearance is 8.0mm, to satisfy safety agency requirements for extra high working voltages.

Short circuit and overload protection features are standard across the range and a frequency synchronisation/enable input pin can simplify EMC filter design.

http://www.murata.com

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