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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。
输入电压范围:2.7V-3.7V
各调节器输出特性► Buck1:1.7V-2.9V 可调,级差 20mV,4A► Buck2:0.9V-2.0V 可调,级差 10mV,2A► Buck3:0.5V-1.3V 可调,级差 10mV,4A► Buck4:0.9V-2.0V 可调,级差 10mV,2A► LDO1:1.0V-2.7V 可调,级差 50mV,400mA► LDO2:1.0V-2.7V 可调,级差 50mV,400mA
参考电压精度:±1.5%@-40°C - 125°C
DVID 决定输出电压
各转换器独立可控
各转换器软启动时间可调
Buck 转换器工作频率可调
输入过压、欠压指示和保护
输出过压、欠压、过流保护
过热关机保护
轻载时以二极管仿真模式运行
使用非易失寄存器保存配置信息
I2C 接口工作频率:400kHz/1MHz/3.4MHz
GPIO 端子可用于多种目的
环境温度范围 -40°C 至 85°C
结面温度范围: -40°C 至 125°C
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