Linear Technology TC4270B/LTC4271: (DC1680 + DC1682) 12-Port 25.5W Demo Kit (req DC590) DC1840A DC1840A Ficha De Dados

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DC1840A
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dc1840afa
DEMO MANUAL DC1840A
Description
DC1682A and DC1680A
LTC4270/LTC4271 
12-Port PSE with Digital Isolation 
Demonstration kit DC1840A is a 12-port Type 2 power 
sourcing equipment (PSE) composed of a DC1682A 
daughter card and DC1680A mother board. The kit is used 
for evaluation of the LTC4270B and LTC4271 PSE chipset. 
Up to 12 powered devices (PDs) can be connected and 
powered from this system using a single power supply. 
A DC590 is connected to the DC1680A for I
2
C interfacing 
with QuikEval™. This demonstration manual provides a 
Quick Start Procedure, a DC1682A overview, a DC1680A 
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and 
QuikEval is a trademark of Linear Technology Corporation. All other trademarks are the property 
of their respective owners.
BoarD photo
overview, schematics, BOMs, and layout printouts. Other 
available supporting documents for the DC1840A are the 
LTC4270/LTC4271 Layout Guide and the LTC4271 PSE 
Demo Software Users Manual. 
Design files for this circuit board are available at  
http://www.linear.com/demo