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RT9824C 是集成化的智能多电压检测、监控器件,可对包括 5V, 5.4V及额外的3.3V和12V电压轨或其他使用电阻分压器进行设定的电压轨进行电压检测、监控。RT9824C 通过在检测到受检电压降低到默认值的 80% 以下时输出 RESET及CTR 信号来实现监控功能。RESET及CTR 信号在 VCC 电压恢复以前将持续处于有效状态,在受检电压高于其默认值 80% 以后,RESET及CTR信号将继续有效并在延迟 60ms 后释放。在受检电压处于正常状态期间,MR(手动复位)可对 CTR 信号进行控制。当 MR 变高时,CTR 信号将立即变成低电平,然而RESET信号将不会被干扰,并持续保持高电平状态。RT9824C 的封装是 TSOT-23-8。
可对三个电压源进行精密的监控
电压检测阈值►VCC 可连接到 5V 或 3.3V 作为备用电源►V5: 5V x 80%►V54 : 5.4V x 80%►VADJ: 1V (使用电阻分压器)
精度: ±2%
RESET: 开漏输出,低有效
内建恢复延时: 60ms
CTR: 开漏输出,低有效
手动控制 Reset
TSOT-23-8 封装
符合 RoHS 规范,不含卤素
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