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Virtex6 FPGA GTX和Spartan6 FPGA GTP收发器的电源模块
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bstract： This reference design enables a complete solution for powering Xilinx® Virtex®-6 FPGA GTX transceivers and Spartan®-6 FPGA GTP transceivers using Maxim‘s power-supply solutions.
This fully tested reference design provides a complete solution for powering Xilinx Virtex-6 field-programmable gate array （FPGA） GTX transceivers （on the Xilinx ML623 board） and Spartan-6 FPGA GTP transceivers （on the Xilinx SP623 board） using Maxim’s power-supply solutions. The GTX and GTP transceivers require two distinct power-supply rails each as follows：
Design Description—Virtex-6 FPGA GTX Transceiver
Power RailInput Voltage （V）Output Voltage （V）Current （A）Maxim Solution
MGTAVCC121.02510MAX8686
MGTAVTT121.26MAX8686
Design Description—Spartan-6 FPGA GTP Transceiver
Power RailInput Voltage （V）Output Voltage （V）Current （A）Maxim Solution
MGTAVCC121.210MAX8686
MGTAVTT121.26MAX8686
These reference designs provide the required two power rails using four MAX8686 monolithic synchronous step-down converters. The GTX and GTP transceiver power-supply block diagrams are shown in Figure 1 and Figure 2.
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