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BMR453 series

198-300W Quarter Brick Isolated DC/DC Converter

The BMR453 is our 1st 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.

These converters can deliver up to 300W and have a typical high efficiency up to 96.1% at 5Vout half-load. Isolation is at 1500VDC.

The BMR453 series operates in an ambient operating temperature range from -40°C up to +125°C and has MTBF with over 2.5 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 BMR453 is also available as baseplate option.

The BMR453 includes a PMBus® interface for digital Configuration, Monitoring and Control, and is supported by our own Flex Power Designer tool.

Evaluation of the BMR453 can be performed using the ROA1283835 Eval Board.


Model Vin Vout Pout Iout Eff Size Mount

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