电源管理

概览

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

应用

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

文档

文档标题
类型 日期
RAA211320 Datasheet
PDF 5.23 MB 		数据手册
Industrial Power Management Brochure
PDF 5.51 MB 日文 		手册
RAA211320 Design Spreadsheet
XLSX 142 KB 		其他
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
RAA211320 Startup iSim:PE ModelRAA211320 AC Analysis iSim:PE Model
 Simulator 瑞萨电子
1 item

开发板与套件

RTKA211320DE0030BU Evaluation Board

RTKA211320DE0030BU

评估
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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...

特色文件:
RTKA211320DE0030BU 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

模型

文档标题
类型 日期
RAA211320 AC Analysis iSim:PE Model
WXSCH 95 KB 		模型 - iSim
RAA211320 Startup iSim:PE Model
WXSCH 77 KB 		模型 - iSim
2 items

产品选择

    Processing table
    PLP
    Pkg. Type
    Carrier Type
    MOQ
    购买 / 样片
    器件号
    RAA2113204GP3#JA0
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    可提供样品
    		 2033 12月 TSOT Reel 3000 获取样片,
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    支持

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    下单器件型号 样片
    RAA2113204GP3#JA0
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