L1131B CMOS IC*

PublishTime： 2026-02-15 Manufacturer： UTC Type： Datasheet Language： English

UTC L1131B 是一款低噪声 200mA LDO 稳压器。其主要特性包括极低的静态电流（典型值为 1.5μA），极低的 dropout 电压（在 200mA 输出电流下），以及高纹波抑制。每个 IC 都包含电压参考单元、误差放大器、电压设置电阻网络、短路电流限制电路、芯片使能电路等。这些 IC 具有低 dropout 电压和芯片使能功能。该 IC 在无负载时的供电电流仅为 1.5μA，UTC L1131B 系列的线路瞬态响应和负载瞬态响应都非常出色，因此这些 IC 非常适合手持通信设备的电源。

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