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RT9055 是雙輸出、低雜訊、低壓差的 300mA 線性穩壓器，其輸出電壓範圍為 0.9V~3.5V ，輸入電壓範圍為 1.5V~5.5V 。RT9055 的輸出電壓精度為 2%，具有極低的輸入輸出電壓降和很低的靜態電流（每路 29μA ），其關機電流幾乎趨於0，是電池供電的可擕式設備的理想之選。它的保護功能包括電流限制、輸出短路保護和過溫保護。RT9055 可與很低容量的陶瓷輸出電容配合穩定工作，對 PCB 空間要求極低，使用成本低廉。RT9055 的封裝是 WL-CSP-6B，擁有 0.8mm x 1.2mm 的小尺寸。

應用

  • Cellular Handsets
  • Battery Powered Equipment
  • Hand-Held Instruments
  • Portable Information Appliances
主要規格
RT9055
Status Last Time Buy
Vin (min) (V) 1.5
Vin (max) (V) 5.5
Number of Outputs 2
Vout (min) (V) 1
Vout (max) (V) 3.5
Fixed Vout Option (V) 1;1.1;1.2;1.25;1.3;1.4;1.5;1.6;1.8;1.85;1.9;2.0;2.1;2.5;2.6;2.65;2.7;2.8;2.85;2.9;3.0;3.1;3.15;3.2;3.3;3.5
Output Adj. Method Fixed
Accuracy (+/- %) 2
Iout (max) (A) 0.3
Iq (typ) (mA) 58
Current Limit (typ) (mA) 600
Vdropout@ rated current (typ) (mV) 240 @ 0.3A
Cout (min) (uF) 1
Cout Type Ceramic
Features Enable Input;OCP;SCP
Package Type WL-CSP0.8x1.2-6
關鍵特性
  • 寬輸入電壓範圍：1.5V~5.5V
  • 低雜訊，適合 RF 應用
  • 無需使用雜訊旁路電容
  • 對輸入/輸出的瞬態過程具有快速回應能力
  • TTL 電平相容的控制信號輸入
  • 低溫度係數
  • 雙輸出，供電能力均為 300mA
  • 很低的靜態電流，每通道 29μA
  • 輸出精度2%
  • 短路保護
  • 熱關機保護
  • 電流限制保護
  • 短路熱折回保護
  • 符合 RoHS 規範，不含鹵素
Additional Documents
Title Last Update ShareDownload
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
Evaluation Boards
TitleLast UpdateDownload
300mA Dual LDO Regulator2016/04/21
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT9055-CCWSCWL-CSP0.8x1.2-63,000 Request Digikey 2,886 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9055-CFWSCWL-CSP0.8x1.2-63,000 Request Digikey 2,940 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9055-GGWSCWL-CSP0.8x1.2-63,000 Request Digikey 1,485 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9055-JJWSCWL-CSP0.8x1.2-63,000 Request Digikey 2,955 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9055-NNWSCWL-CSP0.8x1.2-63,000 Request Digikey 2,889 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9055-SSWSCWL-CSP0.8x1.2-63,000 Request Digikey 2,929 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
Evaluation Board
Part NumberDistributorStockBuy From Authorized Distributor
EVB_RT9055-NGWSC Digikey 5 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
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