Avnet ADI ADP1850 Xilinx 7系列FPGA电源解决方案 provides, 解决方案, 电路图, Power, 电源

Avnet公司的ADI电源模块是采用ADI公司的ADP1850 器件,专为Xilinx 公司的7系列FPGA提供电源,12V电压输入,四个双路ADP1850器件提供8路稳压输出:3.3V/8A,2.5V/8A,2.0V/2A,1.8V/6A,1.5V或1.35V/4A,1.2V/4A和两路1.0V/6A.输出误差在3%或5%.本文介绍了ADI电源模块主要指标和特性,方框图,电路图,材料清单和PCB布局图。The Analog Devices Power Module provides a proven robust design for powering Xilinx 7 series devices. Designed to meet the tolerance and sequencing guidelines set forth by Xilinx, the Analog Devices Power Module provides a highly optimized controller based design utilizing the ADP1850 dual output synchronous buck controller. The device operates in current mode for improved transient response and uses valley current sensing for enhanced noise immunity. The ADP1850 is ideal in system applications requiring multiple output voltages: the ADP1850 includes a synchronization feature to eliminate beat frequencies between switching devices; provides accurate tracking capability between supplies and includes precision enable for simple, robust sequencing. The ADP1850 provides high speed, high peak current drive capability