概要

The RAA211230 is an integrated 24V, 3A synchronous buck regulator with current mode constant on-time (COT) control. The RAA211230 features comprehensive protection including input undervoltage lockout (UVLO), overcurrent protection (OCP), output undervoltage protection (OUVP), and over-temperature protection (OTP).

RAA211230 Typical Application Circuit Diagram
RAA211230 Pin Assignments
RAA211230 Typical Application Circuit Diagram
RAA211230 Pin Assignments
  • 4.5V to 24V input supply range
  • Up to 3A output current
  • Integrated high-side (85mΩ) and low-side (45mΩ) MOSFETs
  • 400μA quiescent current
  • Minimum on-time of 60ns and minimum off-time of 275ns
  • 0.765V reference voltage with 2% accuracy
  • PFM mode under light load condition 
  • Current mode constant on-time (COT) control with internal compensation
  • Internal 0.8ms soft start time
  • Protection: low-side overcurrent (LSOC) limit, input undervoltage lockout (UVLO), over-temperature protection (OTP), output undervoltage protection (OUVP) with Hiccup mode
  • Accurate EN threshold 
  • 6-lead TSOT23 package

アプリケーション

  • General purpose
  • Industrial power supplies
  • Embedded systems and I/O supplies

ドキュメント

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RAA211230 Datasheet
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設計・開発

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RAA211230 Startup iSim:PE ModelRAA211230 Analysis iSim:PE Model
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RAA211230 Power Design Spreadsheet
XLSX 286 KB
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RTKA211230DE0020BU Evaluation Board

RTKA211230DE0020BU

Evaluation
詳しくはこちら

RAA211230 Synchronous Buck Evaluation Board with 4.5V to 24V Input Range, 3.3V 3A Output (TSOT23-6 version)

The RTKA211230DE0020BU board evaluates the RAA211230, a DC/DC synchronous step-down regulator with current mode Constant On Time (COT) control. The RAA211230 supports a...

主要ドキュメント:
RTKA211230DE0020BU Evaluation Board Manual

ECADモデル

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製品選択

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    PLP
    Pkg. Type
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    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    ご購入 / サンプル
    型名
    RAA2112304GP3#JA0
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    今すぐ購入する
    		2033 12月 TSOT Reel 1 0.7459 サンプルを入手,
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    ビデオ&トレーニング

    Compact Buck Regulators with COT Control

    Renesas’ RAA211230/320 family of synchronous buck regulators are integrated with current mode constant on-time (COT) control which enables fast transient response while shrinking the output filter size. Visit renesas.com/cot-regulators to learn more about how these high performance, compact and pin-compatible COT regulators will make designing your power supply easy!

    Video List
    Compact Buck Regulators with COT Control