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RT9187 是高性能 1A 線性穩壓器,具有極高的 PSRR 指標和超低壓差性能,是無線射頻應用的理想選擇。RT9187 具有雜訊消減端子,可以提供額外的雜訊消減效果。其自生消耗的靜態電流在直通狀態下也只有極少的增加,可有效延長電池壽命。它可與低 ESR 陶瓷電容配合工作,減少了對板面空間的需求,有助於掌上型無線產品的小型化。RT9187 在關機模式下僅消耗 0.1μA 的電流,其開機過程短於 40μs 。它還具有超低壓差、高輸出電壓精度、電流限制保護和高漣波抑制比等特性,其封裝為 VDFN-8L 3x3 和 SOP-8(含裸露的散熱焊盤)。
超低雜訊產品,適合 RF 應用
輸入、輸出瞬變的超快回應能力
快速啟動過程(典型值 40μs )
關機狀態的電流消耗低於 0.1μA
低壓差:240mV@1A
寬工作電壓範圍: 2.5V~5.5V
TTL 邏輯相容的控制輸入
電流限制保護
熱關機保護
僅需 2.2μF 輸出電容即可穩定工作
高電源漣波抑制比
符合 RoHS 規範,完全無鉛
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