Murata Improves Design of 1W DC-DC Converters

Murata Power is introducing 1W isolated DC-DC converters for industrial, test and measurement and process control applications. The series is suited to all applications where an isolated surface-mount DC-DC is needed. The latest design techniques and materials have been used to reduce the module's footprint while improving electrical performance characteristics. The MTU1 series has dimensions of 8.2 x 8.4 x 8.5mm, representing a footprint reduction of 50 per cent compared to the previous generation.

Power density is 1.71W/cm3 and the series features wide temperature performance at full 1W load, between -40 and 85C. The load regulation has been enhanced to 7.5 per cent, a change of 40 per cent. The DC-DC converter also features 56 per cent less power dissipation and lower running temperatures than its predecessor, improving overall efficiency by more than one-fifth, to 89 per cent.

The increase in efficiency and benefit of reduction in power dissipation enables an open-frame design. The improved efficiency of the MTU1 series also contributes to its lower energy consumption and greater reliability. Eight models are currently available in the MTU1 series, featuring a choice of 5V or 12V input voltage and 5, 9, 12 or 15V output voltage. The modules each have a single output isolated to 1kV DC. All are RoHS-compliant.

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