器件名称详细搜索
产品TPS3890TI
描述

TPS3890 是一款静态电流较低的精密电压监控器,可监视低至 1.15V 的系统电压,开漏 RESET 信号在 SENSE 电压降至低于预设阈值或手动复位 (MR) 引脚降为逻辑低电平时置为有效。RESET 输出在用户可调节延迟时间内保持低电平,条件是 SENSE 电压和手动复位 (MR) 返回至超出相应阈值。TPS3890 系列使用精密电压实现 1% 的阈值精度。通过将 CT 引脚与外部电容相连,可在 40μs 到 30s 范围内调节复位延迟时间。TPS3890 具有 2.1μA 的超低静态电流,采用 1.5mm × 1.5mm 小型封装,使得器件非常适用于电池供电和空间受限 应用。该器件的额定工作温度范围为 -40℃ 至 +125℃ (TJ)。

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