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Technical Specification
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EN/LZT 146 400 R4B December 2011
BMR 450 Digital PoL Regulators
Input 4.5-14 V, Output up to 20 A / 100 W
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22001110--1023--2110
GD
© Ericsson AB
Key Features
Small package
25.65 x 12.9 x 8.2 mm (1.01 x 0.51 x 0.323 in.)
20 A output current
4.5 V - 14 V input voltage range
0.6 V - 5.5 V output voltage range (by PMBus)
0.7 V – 5 V output voltage range (by external resistor)
High efficiency, typ. 96,8 % at half load, 5 Vin, 3.3 Vout
13 million hours MTBF
Through hole and surface mount versions
PMBus read and write compliant
General Characteristics
Voltage/current/temperature monitoring
Precision delay and ramp-up
Voltage sequencing
Switching frequency synchronization
Configurable control loop
Non-linear transient response
Wide output voltage adjust function
Start up into a pre-biased output safe
Output short-circuit protection
Over temperature protection
On/Off inhibit control
Safety Approvals
Design for Environment
Meets requirements in high-
temperature lead-free soldering
processes.
Output voltage sense
ISO 9001/14001 certified supplier
Contents
Ordering Information
General Information
Safety Specification
Absolute Maximum Ratings
Functional Specification
............................................................. 2
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Electrical Specification
1.0V, 20A / 20W
3.3V, 20A / 66W
5.0V, 20A / 100W
5.5V, 18A / 99W
BMR450 0002/020................................ 6
BMR450 0002/020................................ 9
BMR450 0002/020.............................. 12
BMR450 0002/021.............................. 15
EMC Specification
........................................................... 18
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Operating Information
Thermal Consideration
Connections
Typical Application Circuits
PMBus Interface & Commands
Mechanical Information
Soldering Information
Delivery Information
Product Qualification Specification