概览

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 & 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 LD TSOT23 package

应用

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

文档

= 相关文档
类型 文档标题 日期
数据手册
RAA211230 Datasheet
PDF 3.97 MB
手册
Power Products Brochure
PDF 8.73 MB
手册
Industrial Power Management Brochure
PDF 5.49 MB 日文
3 items

设计和开发

软件与工具
iSim:PE Offline Simulation Tool
iSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs.
下载
RAA211230 Startup iSim:PE ModelRAA211230 Analysis iSim:PE Model
 Simulator 瑞萨电子
1 item

软件下载
类型 文档标题 日期
软件和工具 - 其他
RAA211230 Power Design Spreadsheet
XLSX 286 KB
1 item

开发板与套件

RTKA211230DE0020BU Evaluation Board

RTKA211230DE0020BU

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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...

特色文件:
RTKA211230DE0020BU Evaluation Board Manual

ECAD 模块

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

扩展 ECAD 模块
Diagram of ECAD Models

产品选择

    Processing table
    PLP
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    购买 / 样片
    器件号
    RAA2112304GP3#JA0
    circle有效
    memory
    spa
    view_in_ar
    可提供样片
    		 2033 12月 TSOT Reel 1 0.712 获取样片,
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    Compact Buck Regulators with COT Control

    瑞萨电子的 RAA211230/320 系列同步降压稳压器集成了电流模式恒定导通时间 (COT) 控制功能，可实现快速瞬态响应，并缩小输出滤波器尺寸。请访问 renesas.com/cot-regulators 进一步了解这些高性能、结构紧凑、引脚兼容的 COT 稳压器，让您轻松实现电源设计！

    Video List
    Compact Buck Regulators with COT Control