Xilinx Virtex-7 VC7222 User Manual page 12

Chapter 1: VC7222 Board Features and Operation
Using External Power Sources
The maximum output current rating for each power regulator is listed in
design exceeds this value on any core power rail, power for that rail must be supplied
externally through the 14-position core power terminal block J75 shown in
(callout 22,
X-Ref Target - Figure 1-4
Caution!
Power) must be set to the OFF position before turning ON the main power switch (SW1) and applying
external power to the corresponding rail input pin on the core power terminal block J75 (callout 22,
Figure
Caution!
12
Send Feedback
Figure 1-2) using a supply capable of providing the required current.
Figure 1-4: Core Power Terminal Block J75
The SW10 power regulator enable switch (callout 21,
1-2).
The core power terminal block J75 has a maximum load current contact rating of 24A.
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UG965_c1_04_121812
Figure
VC7222 Transceiver Characterization Board
Table 1-2. If a
Figure 1-4
1-2) (see Disabling Onboard
UG965 (v1.4) February 11, 2015