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RT9073是具有使能控制功能的低压差线性稳压器,可在1.2V~5.5V输入电压下工作,输出高达250mA的电流,具有可低功耗操作的微型化封装。
其低功耗特性表现在其静态电流低达1µA,禁止状态下的电流消耗几乎为零,是电池供电的长寿命应用的理想选择。在其1.2V~5.5V宽阔的输入电压范围内和完整的负载能力范围内 (0mA~250mA),RT9073 都可以和陶瓷输出电容配合实现稳定工作。

应用

  • 便携式、电池供电设备
  • 超低功耗 MCU
  • 笔记本计算机
主要规格
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
关键特性
  • 1µA 无负载地电流
  • PSRR = 75dB @1kHz
  • 可针对特定的应用提供可调的输出电压
  • ±2% 输出电压精度
  • 250mA (VIN  ≥ 2.3V) 输出电流能力,可使能控制
  • 关机状态电流消耗极低 (0.1µA)
  • 输入电压范围:1.2V~5.5V
  • 压降 : 0.45V (典型值) @250mA, VOUT ≥ 3V
  • 可选固定电压版本:0.9V, 1.05V, 1.2V, 1.5V, 1.8V, 1.9V, 2.5V, 2.7V, 2.8V, 2.9V, 3V, 3.3V
  • 与陶瓷电容或钽电容配合可稳定工作
  • 电流限制保护
  • 过温保护
  • 可选 SOT-23-5 和 SC-70-5 封装
Datasheet
TitleVersionLast UpdateDownload
RT9073: 1μA IQ, 250mA 低压差线性稳压器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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