Maxim MAXM17623/4喜马拉雅(Himalaya) uSLIC降压功率模块解决方案

Maxim公司的MAXM17623和MAXM17624是喜马拉雅(Himalaya)系列电压稳压器和功率模块,具有更冷静,更小和更简单的电源解决方案. MAXM17623和MAXM17624是高频同步降压DC/DC转换器模块,集成了MOSFET,补偿元件和电感,工作于2.9V到5.5V输入电压. MAXM17623/4支持高达1A负载电流,允许使用小型低成本输入和输出电容.输出电压可从0.8V到3.3V调整.模块大大降低设计复杂性,制造风险,提供真正的即插即用的电源解决方案,降低上市时间. MAXM17623/4模块在稳态工作下采用峰值电流模式控制架构.为了降低输入浪涌电流,器件提供固定1ms软起动时间.两个模块在轻负载时具有可选择PWM或PFM模式工作.当选择PWM模式时, MAXM17623工作在固定2MHz开关频率,而MAXM17624工作在固定4MHz开关频率. MAXM17623提供从0.8V到1.5V输出电压,而MAXM17624提供从1.5V到3.3V输出电压. MAXM17623/4模块采用低体积紧凑10引脚

2.6mm x 2.1mm x 1.3mm uSLIC™ 封装.工作温度-40°C到 +125°C.主要用在点负载电源,标准5V轨电源,电池供电的应用,分布电源系统,工业传感器和过程控制.本文介绍了MAXM17623和MAXM17624主要特性和优势,功能框图和应用电路,以及评估板MAXM17623/4 EVK主要特性,电路图,材料清单和PCB设计图.

The Himalaya series of voltage regulator ICs and power modules enable cooler, smaller, and simpler power-supply solutions. MAXM17623 and MAXM17624 are high-frequency synchronous step down DC-DC converter modules, with integrated MOSFETs, compensation com­ponents, and inductors, that operate over 2.9V to 5.5V input voltage range. MAXM17623 and MAXM17624 support up to 1A load current and allow use of small, low-cost input and output capacitors. The output voltage can be adjusted from 0.8V to 3.3V. The modules significantly reduce design complexity, manufacturing risks, and offer a true plug-and-play power supply solution, reducing time-to-market.

The MAXM17623 and MAXM17624 modules employ peak-current-mode control architecture under steady-state operation. To reduce input inrush current, the devices offer a fixed 1ms soft-start time. Both modules feature selectable PWM or PFM mode of operation at light loads. When PWM mode is selected, MAXM17623 ope...