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RT9078 是具有使能控制功能的低壓差線性穩壓器，可在 1.2V~5.5V 輸入電壓下工作，電流負載能力為 300mA，使用小型化封裝。其靜態工作電流低達 2μA，關機狀態下的電流消耗為 0.5μA，是電池供電長壽命應用的理想選擇。它還具有電流限制保護、過熱保護和輸出端放電等功能。

應用

  • 可擕式、電池供電系統
  • 低功耗微處理器
  • 筆記型電腦
主要規格
RT9078
Status Active
Vin (min) (V) 1.2
Vin (max) (V) 5.5
Vout (min) (V) 0.8
Vout (max) (V) 3.45
Output Adj. Method Fixed;Resistor
Accuracy (+/- %) 2
Iout (max) (mA) 300
Iq (typ) (uA) 2
Vdropout @ rated current (typ) (mV) 150 @ 0.3A
Bias Rail No
Cout Type Ceramic;Tantalum
Charge Pump No
Features Enable Input;Low Dropout;OCP;Output Discharge;Stable with Ceramic Capacitor
Package Type ZQFN1x1-4;TSOT-25
關鍵特性
  • 輸入電壓範圍：1.2V~5.5V
  • 空載靜態耗電為 2μA
  • PSRR = 75dB@1kHz
  • 輸出電壓可調範圍：0.8V~5V（僅限有 SNS 引腳的TSOT-23-5封裝）
  • 輸出電壓精度：±2%
  • 關機耗電低至 0.1μA
  • 輸入輸出最小壓差：0.15V@300mA, VOUT ≥ 3V
  • 可供固定輸出電壓版本：0.8V, 1.0V, 1.05V, 1.1V, 1.2V, 1.25V, 1.3V, 1.5V, 1.8V, 1.85V, 2V, 2.5V, 2.8V, 2.85V, 3V, 3.1V, 3.3V, 3.45V
  • 電流限制保護
  • 過熱保護
  • 有輸出主動放電功能
  • TSOT-23-5 和 ZQFN-4L 1x1 (ZDFN-4L 1x1) 封裝
Datasheet
TitleLast UpdateDownload
2μA IQ, 300mA 低壓差線性穩壓器2017/05/19
Part NumberPackage TypePackage Qty.Free SampleBuy From Authorized Distributor
RT9078-10GJ5TSOT-253000 Request Buy from Distributor
RT9078-12GJ5TSOT-253000 Request Buy from Distributor
RT9078-12GQZZQFN1x1-42500 Request Buy from Distributor
RT9078-15GJ5TSOT-253000 Request Buy from Distributor
RT9078-15GQZZQFN1x1-42500 Request Buy from Distributor
RT9078-18GJ5TSOT-253000 Request Buy from Distributor
RT9078-18GQZZQFN1x1-42500 Request Buy from Distributor
RT9078-25GJ5TSOT-253000 Request Buy from Distributor
RT9078-28GJ5TSOT-253000 Request Buy from Distributor
RT9078-28GQZZQFN1x1-42500 Request Buy from Distributor
RT9078-30GJ5TSOT-253000 Request Buy from Distributor
RT9078-30GQZZQFN1x1-42500 Request Buy from Distributor
RT9078-31GQZZQFN1x1-42500 Request Buy from Distributor
RT9078-33GJ5TSOT-253000 Request Buy from Distributor
RT9078-33GQZZQFN1x1-42500 Request Buy from Distributor
RT9078-J2GQZZQFN1x1-42500 Request Buy from Distributor
RT9078N-08GJ5TSOT-253000 Request Buy from Distributor
RT9078N-12GJ5TSOT-253000 Request Buy from Distributor
RT9078N-18GJ5TSOT-253000 Request Buy from Distributor
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