The BMR685 is designed for RF Power Amplifier applications which require high efficient DC/DC converters. This module provides high efficiency of up to 97.2% at half load. It has an output voltage range of 25V to 55V and can deliver up to 26A output current. Its input voltage range is 36V to 75V, and isolation between input and output is 2250V.
The BMR685 includes digital functionality, accessed over a PMBus interface, which enables easy monitoring of temperature, voltage and current, as well as simple adjustment of output voltage. It is supported by the Flex Power Designer software tool.
The converter has an operating temperature range of -40°C to +125°C, with 100% available power at 100°C baseplate temperature. It includes comprehensive over-voltage, over-temperature and short-circuit protection mechanisms, which means it achieves a long operational lifespan, with a mean time between failures (MTBF) of over 4.97 million hours.
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