AGREE

This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. We use this information in order to improve and customize your browsing experience and for analytics and metrics about our visitors both on this website and other media. To find out more about the cookies we use, see our Cookie Statement.
If you decline, your information won’t be tracked when you visit this website. A single cookie will be used in your browser to remember your preference not to be tracked. Find out more here.

RT4731

3輸出AMOLED偏置電源

RT4731
New 聯絡我們

RT4731是將一個Boost轉換器、兩個線性穩壓器（分別提供AVDD和VOP輸出）及生成正壓和負壓輸出的電荷泵集成於一體的AMOLED偏置電源IC，其負壓輸出可用SWIRE介面協定以100mV為級差在-0.6V~-2.4V間進行調節。它通過使用可自動進行模式轉換的-0.33x/-0.5x分壓電荷泵實現轉換效率的最大化，具有2.9V~4.8V的輸入電壓範圍，負載能力高達30mA，是單節鋰離子電池供電條件下的理想選擇。其封裝形式為UBGA-21B 1.82x3.23。

應用

  • 可擕式產品AMOLED顯示幕
  • 物聯網設備

主要規格

RT4731
Status EOL
Vin (min) (V) 2.9
Vin (max) (V) 4.8
Number of Channels 3
Number of Buck Converters 0
Number of Boost Converters 1
Number of Negative Outputs 1
Number of LED Drivers 0
Number of LDO Regulators 1
Application OLED for Watch
Features Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;Fast Transient Response;Internal Compensation;OCP;SCP;UVP
Package Type UBGA1.82x3.23-21

關鍵特性

  • 輸入電壓範圍：2.9V~4.8V

  • 使用單線通訊協定

  • 固定4.6V正電壓輸出

  • 2.8V AVDD電壓輸出

  • 負壓輸出SWIRE可調，範圍：-0.6V~-2.4V；級差0.1V

  • 自動進行模式切換的-0.33x/-0.5x電荷泵

  • 內建軟啟動

  • 最大負載能力：30mA

  • 可程式控制輸出快速放電功能

  • 關機時輸出端為高阻狀態

  • UVLO/OCP/SCP/OTP

  • 關機電流 < 1μA

  • 21球UBGA封裝

與銷售人員聯繫