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RT9073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,輸出高達250mA的電流,具有可低功耗操作的微型化封裝。
其低功耗特性表現在其靜態電流低達1µA,禁止狀態下的電流消耗幾乎為零,是電池供電的長壽命應用的理想選擇。在其1.2V~5.5V寬闊的輸入電壓範圍內和完整的負載能力範圍內 (0mA~250mA),RT9073都可以和陶瓷輸出電容配合實現穩定工作。

應用

  • 可擕式、電池供電設備
  • 超低功耗 MCU
  • 筆記型電腦
主要規格
RT9073 RT9073N
Status Active Active
Vin (min) (V) 1.2 1.2
Vin (max) (V) 5.5 5.5
Vout (min) (V) 0.9 0.9
Vout (max) (V) 3.3 3.3
Output Adj. Method Fixed;Resistor Fixed
Accuracy (+/- %) 2 2
Iout (max) (mA) 250 250
Iq (typ) (uA) 1 1
Vdropout @ rated current (typ) (mV) 450 @ 0.25A 450 @ 0.25A
Bias Rail No No
Cout Type Ceramic;Tantalum Ceramic;Tantalum
Charge Pump No No
Features Enable Input;Low Dropout;Stable with Ceramic Capacitor Enable Input;Low Dropout
Package Type SC-70-5;SOT-25 SC-70-5;SOT-25
關鍵特性
  • 1µA 無負載地電流
  • PSRR = 75dB @1kHz
  • 可針對特定的應用提供可調的輸出電壓
  • ±2% 輸出電壓精度
  • 250mA (VIN  ≥ 2.3V) 輸出電流能力,可使能控制
  • 關機狀態電流消耗極低 (0.1µA)
  • 輸入電壓範圍:1.2V~5.5V
  • 壓降 : 0.45V (典型值) @250mA, VOUT ≥ 3V
  • 可選固定電壓版本:0.9V, 1.05V, 1.2V, 1.5V, 1.8V, 1.9V, 2.5V, 2.7V, 2.8V, 2.9V, 3V, 3.3V
  • 與陶瓷電容或鉭電容配合可穩定工作
  • 電流限制保護
  • 過溫保護
  • 可選 SOT-23-5 和 SC-70-5 封裝
Datasheet
TitleVersionLast UpdateDownload
RT9073: 1μA IQ, 250mA 低壓差線性穩壓器V8.02014/10/31
Additional Documents
Title Last Update ShareDownload
Power Management Introduction and Selection Guide 2020/12/07
Power Management Components for Lithium-Ion Battery Powered Applications
鋰離子電池電源管理IC選擇指南
2020/12/07
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT9073-12GBSOT-253,000 Request Digikey 68 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9073-15GBSOT-253,000 Request Digikey 417 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9073-15GU5SC-70-53,000 Request Digikey 500 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9073-18GBSOT-253,000 Request Digikey 42 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9073-23GBSOT-253,000 Request Digikey 196 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9073-33GBSOT-253,000 Request Digikey 252 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9073N-09GBSOT-253,000 Request Digikey 1,588 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9073N-33GBSOT-253,000 Request Digikey 2,784 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT9073N-33GB Digikey 2 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
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