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BMR456 series

468W Quarter-Brick Isolated DC/DC Converter

The BMR456 is our 2nd generation of digital isolated DC/DC converter in a quarter-brick format. This product is available for the telecom market with a typical input range from 36-75Vin and also available as a variant for the data center applications with an input range of 40-60Vin.

These converters can deliver up to 468W and have a typical high efficiency up to 96.4% at half load 12Vout. Isolation is at 2250VDC.

The BMR456 series operates in an ambient operating temperature range from -40°C up to +125°C and has a mean time between failure (MTBF) with over 2.9 million hours.

Standard features for this model are the digital interface which is available via PMBus®, paralleling through droop load sharing.

An optional feature is the ability to meet the industry standard 5 pin layout for intermediate bus architectures by removing the digital header.

The BMR456 is also available as baseplate option.

The BMR456 includes a PMBus® interface for digital Configuration, Monitoring and Control, and is supported by our own Flex Power Designer tool.

Evaluation of the BMR456 can be performed using the ROA1283835 Eval Board.


Model Vin Vout Pout Iout Eff Size Mount

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