BMR457 Datasheet, PDF (1/36 Pages) Ericsson – 2012-07-27 Zhou 2012-08-24 Fully regulated Advanced Bus Converters Input 36-75 V, Output up to 25 A / 300 W

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Input 36-75 V, Output up to 25 A / 300 W
© Ericsson AB
Key Features
• Advanced Bus Converter Industry standard Eighth-brick
with digital PMBus interface
58.4 x 22.7 x 10.2 mm (2.30 x 0.89 x 0.40 in.)
• Optional industry standard 5-pins for intermediate bus
architectures
• Industry-leading Power Density for Telecom and
Datacom 129-147W / sq. in
• Ericsson DC/DC Energy Optimizer built-in
• High efficiency, typ. 95.2% at half load, 12 Vout
• Fully regulated Advanced Bus Converter from 36-75Vin
• 2250 Vdc input to output isolation
• Fast Feed forward regulation to manage line transients
• Optional baseplate for high temperature applications
• Droop Load Sharing with 10% current share accuracy
• PMBus Revision 1.2 compliant
• 2.9 million hours MTBF
• ISO 9001/14001 certified supplier
Power Management
• Configurable soft start/stop
• Precision delay and ramp-up
• Voltage margining
• Voltage/current/temperature monitoring
• Wide output voltage range
• Configurable protection features
Safety Approvals
Design for Environment
Meets requirements in high-
temperature lead-free soldering
processes
Contents
Ordering Information
General Information
Safety Specification
Absolute Maximum Ratings
Electrical Specification
12 V, 22 A / 264 W (36-75Vin)
12 V, 25 A / 300 W (40-60Vin)
12.45 V, 22 A / 261 W (36-75Vin)
12.45 V, 25 A / 296 W (40-60Vin)
EMC Specification
Operating Information
Thermal Consideration
Connections
PMBus Interface
Mechanical Information
Soldering Information
Delivery Information
Product Qualification Specification
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BMR 457 0004/001............................... 7
BMR 457 0000/002............................. 11
BMR 457 0007/014............................. 15
BMR 457 0011/017............................. 18
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