Controllers | CS5307

4 相 VRM 9.0 降圧コントローラ

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マルチフェーズ・コントローラは、ワークステーションおよびサーバ・アプリケーションの次世代プロセッサに電力を供給するために必要な制御機能を備えた、高速で正確なレギュレーションを提供します。このようなコントローラは、外部ゲート・ドライバやパワー・コンポーネントと組み合わせることで、コンパクトな高集積降圧コンバータを実装します。拡張 V2™ 制御は、本質的にラインと負荷の両方の変動を補償します。フェーズ間の電流共有は、ピーク電流共有によって実現されます。CS5307 には、プログラム可能な低い閾値のパワー・グッドがあります。アプリケーションには、エンベデッド・プロセッサ電源や低電圧/高電流電源などがあります。

  • Switching Regulator Controller
    - LossLess Current Sensing
    - Enhanced V2 Control Method Provides Excellent Regulation and Fast Transient Response
    - Programmable 200 to 800 kHz switching Frequency (Per Phase)
    - Duty Cycle - 0% to 100%
    - Programmable Adaptive Voltage Positioning Reduces Output Capacitor Requirements
    - Programmable Soft Start
  • Accurate Current Sharing
  • Protection Features
    - Pulse-by-Pulse Current Limit for Each Phase
    - Programmable Hiccup Overcurrent Protection
    - All "1 DAC Code Fault
    - Processor Overvoltage Protection through Bottom MOSFETs
    - Undervoltage Lockout
  • System Power Management
    - 5-Bit DAC With 1.0% Tolerance Compatible with VRM 9.0
    - Power Good Output
    - Programmable Power Good Lower Threshold

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