E
Approved
Approved
Prepared (also subject responsible if other)
Prepared (also subject responsible if other)
No.
Ericsson Internal
Ericsson Internal
TABLE OF CONTENTS
PRODUCT SPECIFICATION
No.
1 (2)
(5)
1
SEC/S
EZHIXZH
Kevin Zhou
SEC/D (Julia You)
SEC/S Kevin Zhou
BMR457 series
Fully
regulated Advanced
Bus
2012-07-27
Input 36-75 V, Output up to
25
A /
300
W
Key Features
Checked
Checked
Date
00152-FGC1011835
1/1301- BMR 457 Uen
Date
Rev
Technical Specification
Reference
Rev
Reference
2012-08-24
Converters
1/28701-FGC
101 1835
revC
August
2012
C
© Ericsson AB
B
•
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
•
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
•
•
•
•
•
•
architectures
Power Management
Safety Approvals
Design for Environment
Configurable soft start/stop
Precision delay and ramp-up
Voltage margining
Voltage/current/temperature monitoring
Wide output voltage range
Configurable protection features
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
............................................................. 2
............................................................. 2
............................................................. 4
............................................................. 5
BMR 457 0004/001............................... 7
BMR 457 0000/002............................. 11
BMR 457 0007/014............................. 15
BMR 457 0011/017............................. 18
........................................................... 21
........................................................... 22
........................................................... 25
........................................................... 26
........................................................... 27
........................................................... 30
........................................................... 33
........................................................... 34
........................................................... 36
ERICSSON [ ERICSSON ]
