BMR458 series

600-650W Quarter-Brick Isolated Digital DC/DC Converter

BMR458 is our 3rd 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 36-75V but also available as a variant suitable for data center applications with an input range of 40-60V.

These converters can deliver up to 650W and have a typical high efficiency up to 96.6% at half load 12Vout. Isolation voltage is 2250V.

The BMR458 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 8.2 million hours.

Standard features for this model are the digital interface using PMBus, and paralleling through droop load sharing or active current sharing.

Alternative pinouts for the digital header are available in either 10-pin or 7-pin format.

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

The BMR458 is also available with a baseplate option.

The BMR458 is supported by our own Flex Power Designer tool.

Evaluation of the BMR458 can be performed using the ROA1283835 Eval Board.

Resources

Specifications

Model Vin Vout Pout Iout Eff Size Mount

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