概要

The RAA211320 is an integrated 30V, 2A synchronous buck regulator with current mode constant on-time (COT) control. The RAA211320 features comprehensive protection including input undervoltage lockout (UVLO), overcurrent protection (OCP), output undervoltage protection (OUVP), and over-temperature protection (OTP).

RAA211320 Typical Application Circuit Diagram
RAA211320 Diagram with VIN UVLO Programming by ENABLE
RAA211320 Typical Application Circuit Diagram
RAA211320 Diagram with VIN UVLO Programming by ENABLE
  • 4.5V to 30V input supply range
  • Up to 2A output current
  • Integrated high-side (125mΩ) and low-side (75mΩ) MOSFETs
  • 400μA quiescent current
  • Minimum on-time of 70ns & Minimum off-time of 225ns
  • 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 LD 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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分類 タイトル 日時
データシート
RAA211320 Datasheet
PDF 5.23 MB
その他資料
RAA211320 Design Spreadsheet
XLSX 142 KB
2件

設計・開発

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RTKA211320DE0030BU Evaluation Board

RTKA211320DE0030BU

Evaluation
詳しくはこちら

RAA211320 Synchronous Buck Evaluation Board with 4.5V to 30V Input Range, 3.3V 2A Output

The RTKA211320DE0030BU board evaluates the RAA211320, a DC/DC synchronous step-down regulator with current mode Constant On Time (COT) control. The RAA211320 supports a...

主要ドキュメント:
RTKA211320DE0030BU Evaluation Board Manual

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製品選択

    Processing table
    PLP
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    ご購入 / サンプル
    型名
    RAA2113204GP3#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 0.7868 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