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RT9073A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。在其寬闊的輸入電壓範圍內和完整的負載能力範圍內，RT9073A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
RT9073A
Status Active
Vin (min) (V) 1.2
Vin (max) (V) 5.5
Vout (min) (V) 0.9
Vout (max) (V) 3.3
Output Adj. Method Fixed
Accuracy (+/- %) 2
Iout (max) (mA) 250
Iq (typ) (uA) 1
Vdropout @ rated current (typ) (mV) 450 @ 0.25A
Bias Rail No
Cout Type Ceramic;Tantalum
Charge Pump No
Features Enable Input;Low Dropout;Stable with Ceramic Capacitor
Package Type SC-82;ZQFN1x1-4
關鍵特性
  • 1µA 無負載地電流
  • PSRR = 75dB @1kHz
  • ±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
  • 提供ZQFN-4L 1x1 (ZDFN-4L 1x1) 和SC-82 封裝
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT9073A-09GQZZQFN1x1-42,500 Request Digikey 909 Buy
Mouser 0 Lead-Time: 14 weeks
RT9073A-12GQZZQFN1x1-42,500 Request Digikey 4,669 Buy
Mouser 1,400 Buy
RT9073A-15GQZZQFN1x1-42,500 Request Digikey 1,655 Buy
Mouser 0 Lead-Time: 14 weeks
RT9073A-18GQZZQFN1x1-42,500 Request Digikey 6,680 Buy
Mouser 2,379 Buy
RT9073A-19GQZZQFN1x1-42,500 Request Digikey 2,500 Buy
Mouser 2,500 Buy
RT9073A-25GQZZQFN1x1-42,500 Request Digikey 2,268 Buy
Mouser 2,500 Buy
RT9073A-28GQZZQFN1x1-42,500 Request Digikey 211 Buy
Mouser 2,320 Buy
RT9073A-30GQZZQFN1x1-42,500 Request Digikey 1,715 Buy
Mouser 2,400 Buy
RT9073A-33GQZZQFN1x1-42,500 Request Digikey 706 Buy
Mouser 1,328 Buy
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT9073A-33GQZ Digikey 1 Buy
Mouser 3 Buy
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