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RT9187 是高性能 1A 线性稳压器,具有极高的 PSRR 指标和超低压差性能,是无线射频应用的理想选择。RT9187 具有噪声消减端子,可以提供额外的噪声消减效果。其自生消耗的静态电流在直通状态下也只有极少的增加,可有效延长电池寿命。它可与低 ESR 陶瓷电容配合工作,减少了对板面空间的需求,有助于掌上型无线产品的小型化。RT9187 在关机模式下仅消耗 0.1μA 的电流,其开机过程短于 40μs 。它还具有超低压差、高输出电压精度、电流限制保护和高纹波抑制比等特性,其封装为 VDFN-8L 3x3 和 SOP-8(含裸露的散热焊盘)。
超低噪声产品,适合 RF 应用
输入、输出瞬变的超快响应能力
快速启动过程(典型值 40μs )
关机状态的电流消耗低于 0.1μA
低压差:240mV@1A
宽工作电压范围: 2.5V~5.5V
TTL 逻辑兼容的控制输入
电流限制保护
热关机保护
仅需 2.2μF 输出电容即可稳定工作
高电源纹波抑制比
符合 RoHS 规范,完全无铅
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