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RT9081A 是具有獨立偏置電壓供應端的高性能線性穩壓器，設計用於輸入電壓低、輸入輸出壓差小的應用中，電流負載能力可達 500mA。其超低壓差特性使其成為輸出電壓非常接近輸入電壓應用的理想選擇。其輸入電壓可低達 0.8V，輸出電壓可用外部電阻分壓網路進行調節。其靜態耗電很低，是可擕式應用的理想選擇。其封裝形式為 ZADFN-6L 1.2x1.2。

應用

  • 電池供電系統
  • 可擕式電子設備
  • 數位機上盒
主要規格
RT9081A
Status Active
Vin (min) (V) 0.8
Vin (max) (V) 5.5
Vout (min) (V) 0.8
Vout (max) (V) 3.6
Output Adj. Method Fixed;Resistor
Accuracy (+/- %) 1.5
Iout (max) (mA) 500
Iq (typ) (uA) 80
Vdropout @ rated current (typ) (mV) 140 @ 0.5A
Bias Rail Yes
Cout Type Ceramic
Charge Pump No
Features Enable Input;Low Dropout;OCP;Stable with Ceramic Capacitor
Package Type ZADFN1.2x1.2-6
關鍵特性
  • 輸入電壓範圍：0.8V-5.5V
  • 偏置電壓範圍：2.4V-5.5V
  • 可提供輸出電壓固定和可調版本
    ► 固定輸出：0.9V~1.8V
    ► 可調輸出：0.8V~3.6V
  • 全輸入、負載範圍內輸出電壓精度為 1.5%@25°C
  • 超低壓差：140mV@500mA
  • 低偏置電流
    ► 工作模式 80μA
    ► 關機模式 0.5μA
  • 使能控制
  • 輸出主動放電功能
  • 符合 RoHS 規範，不含鹵素
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT9081A-09GQZA(2)ZADFN1.2x1.2-62,500 Request Digikey 1,218 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-10GQZAZADFN1.2x1.2-62,500 Request Digikey 2,368 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-11GQZAZADFN1.2x1.2-62,500 Request Digikey 2,454 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-12GQZAZADFN1.2x1.2-62,500 Request Digikey 2,500 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-13GQZA(2)ZADFN1.2x1.2-62,500 Request Digikey 2,475 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-15GQZA(2)ZADFN1.2x1.2-62,500 Request Digikey 2,500 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-1AGQZA(2)ZADFN1.2x1.2-62,500 Request Digikey 2,135 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-1BGQZA(2)ZADFN1.2x1.2-62,500 Request Digikey 2,500 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081A-1KGQZAZADFN1.2x1.2-62,500 Request Digikey 2,372 Buy
Mouser 0 Lead-Time: 14 weeks
RT9081AGQZA(2)ZADFN1.2x1.2-62,500 Request Digikey 1,938 Buy
Mouser 0 Lead-Time: 14 weeks
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT9081AGQZA(2) Digikey 1 Buy
Mouser 0 Lead-Time: 14 weeks
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