1
Rev A
DESCRIPTION
DC2683A and DC2684A-B
LTC4291-1/LTC4292
4-Port IEEE 802.3bt PSE
Demonstration circuit 2685B is a 4-port IEEE 802.3bt
power sourcing equipment (PSE) composed of a
DC2684A-B (daughter card) and DC2683A (mother-
board). The DC2685B (kit) is used for evaluation of
the
PSE chipset. Up to four
IEEE 802.3af, IEEE 802.3at, or IEEE 802.3bt powered
devices (PDs) can be connected and powered from this
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BOARD PHOTO
system using a single power supply. A DC590 is con-
nected to the DC2685B for I
2
C interfacing with QuikEval™.
This demonstration manual provides a quick start proce-
dure, a DC2684A-B daughter card overview, a DC2683A
mother board overview, schematics, and layout printouts.
Summary of Contents for LINEAR DC2683A
Page 13: ...13 Rev A DEMO MANUAL DC2685B DC2683A MOTHER BOARD LAYOUT FILES Figure 14 DC2683A Top Layer...
Page 14: ...14 Rev A DEMO MANUAL DC2685B Figure 15 DC2683A Inner Layer 2 DC2683A MOTHER BOARD LAYOUT FILES...
Page 15: ...15 Rev A DEMO MANUAL DC2685B Figure 16 DC2683A Inner Layer 3 DC2683A MOTHER BOARD LAYOUT FILES...
Page 16: ...16 Rev A DEMO MANUAL DC2685B Figure 17 DC2683A Bottom Layer DC2683A MOTHER BOARD LAYOUT FILES...