Maxim MAX77812四相大电流降压稳压器解决方案
Maxim公司的MAX77812是四相大电流降压稳压器,输入电压从2.5V到5.5V,输出电压从0.25V到1.525V,每步5mV,最大输出电流20A,DC输出电压精度±0.5%, 3.8VIN, 1.1VOUT,L = 220nH (9mΩ DCR)时的峰值效率91%,主要用在智能手机和平板电脑,游戏控制台,DSLR照相机,无人驾驶飞机,微处理器(CPU/GPU)和FPGA以及通信模块.本文介绍了MAX77812主要优势和特性,框图,应用框图以及评估板MAX77812 EVK主要特性,电路图,材料清单和PCB设计图.
The MAX77812 is a quad-phase, high-current, buck regulator for multicore applications processors in the latest smart phones and tablets. The MAX77812 achieves world-class transient response with miniature PCB footprint through the use of small inductors and output capacitors. Differential remote sense feedback enables tight DC and AC accuracy at the point of load. The MAX77812’s flexible architecture allows user-selectable phase configurations such as 4, 3 + 1, 2 + 2, 2 + 1 + 1, and 1 + 1 + 1 + 1.
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