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RT5142 由 4 路 Buck 转换器和 2 路线性稳压器构成,另有 8 个可配置的通用 IO 端子可供用户用于各种目的的控制和检测,为应用系统提供了一个可灵活配置的高性能集成解决方案。
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<li class="mv5"> 输入电压范围:2.7V-3.7V</li><li class="mv5"> 各调节器输出特性<br>► Buck1:1.7V-2.9V 可调,级差 20mV,4A<br>► Buck2:0.9V-2.0V 可调,级差 10mV,2A<br>► Buck3:0.5V-1.3V 可调,级差 10mV,4A<br>► Buck4:0.9V-2.0V 可调,级差 10mV,2A<br>► LDO1:1.0V-2.7V 可调,级差 50mV,400mA<br>► LDO2:1.0V-2.7V 可调,级差 50mV,400mA</li><li class="mv5"> 参考电压精度:±1.5%@-40°C - 125°C</li><li class="mv5"> DVID 决定输出电压</li><li class="mv5"> 各转换器独立可控</li><li class="mv5"> 各转换器软启动时间可调</li><li class="mv5"> Buck 转换器工作频率可调</li><li class="mv5"> 输入过压、欠压指示和保护</li><li class="mv5"> 输出过压、欠压、过流保护</li><li class="mv5"> 过热关机保护</li><li class="mv5"> 轻载时以二极管仿真模式运行</li><li class="mv5"> 使用非易失寄存器保存配置信息</li><li class="mv5"> I<sup>2</sup>C 接口工作频率:400kHz/1MHz/3.4MHz</li><li class="mv5"> GPIO 端子可用于多种目的</li><li class="mv5"> 环境温度范围 -40°C 至 85°C</li><li class="mv5"> 结面温度范围: -40°C 至 125°C</li>
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