Power

DC/DC buck converter is optimised for high-power applications

4th November 2015
Barney Scott

 

ROHM has announced a 12 to 76V input, 3A variable output voltage, DC/DC Buck converter with integrated 76V MOSFET optimised for high power applications such as motors, factory automation equipment, communications infrastructure, and industrial machinery.

 

In recent years, with the increasing importance to conserve energy in all areas comes a push to achieve greater energy savings - even in the industrial equipment sector - through the use of high power semiconductor devices and power supply ICs. And with this comes a need to provide breakdown voltages higher than the input voltage to prevent damage due to instantaneous surge and transient voltages (such as those caused by lightning).

In response, ROHM leverages its advanced cutting-edge power processes and vertically-integrated production system to develop products for the industrial equipment market that demands long-term, stable supply along with high reliability to enable continuous operation.

The BD9G341AEFJ utilises ROHM’s high voltage 0.6µm BiCDMOS process to achieve an industry-leading maximum breakdown voltage of 80V (the highest in ROHM’s non-isolated DC/DC converter lineup) and a continuous operating input range of 12 to 76V, while market-proven advanced analogue design technology results in the highest conversion efficiency in its class. In addition, multiple protection circuits minimise heat generation, even during output pin shorts (contact), preventing possible damage and increasing reliability vs. conventional products. And the compact 8pin package requires fewer parts and reduces mounting area, contributing to easier PCB placement and end-product miniaturisation.

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