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DESCRIPTION
Demonstration circuit 2087A is a single-output, high ef-
ficiency, high density, µModule
input range. It can supply 26A maximum load current. The
demo board has a
LTM
4676
®
a dual 13A or single 26A step-down regulator with PMBus
power system management. Please see LTM4676 data
sheet for more detailed information.
DC2087A powers up to default settings and produces power
based on configuration resistors without the need for any
serial bus communication. This allows easy evaluation of
the DC/DC converter. To fully explore the extensive power
system management features of the part, download the
GUI software LTpowerPlay™ onto your PC and use LTC's
2
I
C/SMBus/PMBus dongle DC1613A to connect to the
BOARD PHOTO
26A Step-Down µModule Regulator with
PMBus Power System Management
regulator with 4.5V to 16V
®
µModule regulator, which is
Figure 1. Single-Output LTM4676/DC2087A Demo Circuit
DEMO MANUAL DC2087A
board. LTpowerPlay allows the user to reconfigure the part
on the fly and store the configuration in EEPROM, view
telemetry of voltage, current, temperature and fault status.
GUI Download
The software can be downloaded from:
http://www.linear.com/ltpowerplay
For more details and instructions of LTpowerPlay, please
refer to LTpowerPlay GUI for LTM4676 Quick Start Guide.
Design files for this circuit board are available at
http://www.linear.com/demo
L, LT, LTC, LTM, Linear Technology, the Linear logo and µModule are registered trademarks
and LTpowerPlay is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
LTM4676EY
dc2087af
1
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