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RT8085A

6A, 700kHz 同步降壓型 DC/DC 轉換器

RT8085A
New

RT8085A是一款高效率的同步降壓型 DC/DC 轉換器，適合用於輸入電壓範圍從2.95V至5.5V，最大輸出電流6A 的應用。RT8085A提供高準確、體積小的低輸出電壓應用解決方案。可透過REFIN腳位動態調整輸出電壓。RT8085A在輕載時會自動從Conduction Mode (CCM)轉換至Discontinuous Conduction Mode (DCM)藉此改善輕載效率。

應用

  • 負載點電壓調節器
  • 筆記型電腦
  • 平板電腦
  • 可攜式裝置

主要規格

RT8085A
Status NRND
Recommended Alternative  RT5789A/RT5789B
Vin (min) (V) 2.95
Vin (max) (V) 5.5
Number of Outputs 1
Vout (min) (V) 0.6
Vout (max) (V) 3.3
Output Adj. Method Ext Vref;Resistor
Iout (max) (A) 6
Current Limit (typ) (A) 9
Freq (typ) (kHz) 700
Ext Sync No
Ron_HS (typ) (mOhm) 38
Ron_LS (typ) (mOhm) 20
Iq (typ) (mA) 0.35
Features Current Mode Control;Diode Emulation Mode;OCP;OTP;OVP;PSM;Power Good;UVP
Package Type WDFN3x3-12

關鍵特性

  • REFIN外部輸入參考電壓

  • 低導通電組

  • 38mΩ 高側MOSFET

  • 20mΩ 低側MOSFET

  • 輕載時DCM模式操作

  • 支持MLCC電容

  • 700kHz操作頻率

  • 訊號良好指示

  • 始能控制

  • 逐週期電流限制

  • 短路保護

  • 欠壓閉鎖

  • 過溫保護

  • 符合RoHS規範與無鹵特性

Videos

如何使用簡單工具對電源轉換器的穩定性進行測試評估?

與銷售人員聯繫