概览

RAA214220 是一款低压差线性稳压器，可在很宽的输入电压范围内工作。 可提供高达 150mA 的输出电流。 该器件具有宽输入电压范围 （2.5V–20V），以及极好的线性和负载调整率。 集成了故障保护功能，例如过温关断（OTSD）和短路电流限制。 适用于电池供电和 USB 设备。 该器件的输出电压可通过输出引脚和接地之间的外部电阻网络进行调节。 在整个温度以及输入电压和负载的工作范围内均可得到良好调节。 该器件在使用低至 1µF 的 MLCC 输出电容器时也能保持稳定。 RAA214220 采用 5 引脚 TSOT23 封装。

RAA214220 - Typical Application (1)
RAA214220 - Typical Application (2)
RAA214220 - Block Diagram
RAA214220 - Pin Assignment
RAA214220 - Typical Application (1)
RAA214220 - Typical Application (2)
RAA214220 - Block Diagram
RAA214220 - Pin Assignment
  • 宽输入电压范围：2.5V 至 20V
  • 输出电流高达 150mA
  • 低接地电流
  • 可调、精确的输出电压范围：1.2266V 至 18V
  • 低压差电压：225mV（典型值，150mA 负载）
  • 出色的线路和负载调整率
  • 采用 1μF–47μF MLCC 输出电容器时可保持稳定
  • 集成故障保护，包括热关断和电流限制
  • 采用紧凑且经济高效的 TSOT23 封装

 

应用

  • 电池供电设备
  • MCU 电源
  • 电表
  • USB 设备
  • 笔记本电脑和平板电脑
  • 便携式模块和装置

文档

= 相关文档
类型 文档标题 日期
数据手册
RAA214220 Datasheet
PDF 1.65 MB
手册
Power Products Brochure
PDF 8.73 MB
手册
Industrial Power Management Brochure
PDF 5.49 MB 日文
应用文档
AN1681: Grounding Techniques
PDF 509 KB
应用文档
AN1684: Nonideality of Ground
PDF 397 KB
5 items

设计和开发

开发板与套件

RTKA214220DR0000BU Demonstration Board

RTKA214220DR0000BU

评估
了解更多

LDO Linear Regulator Evaluation Board with 2.5V to 20V Vin Range, Adjustable 3.3V 150mA Output

The RTKA214220DR0000BU demonstration board provides a simple platform for demonstrating the RAA214220 20V, 150mA, low-dropout (LDO) linear regulator. The board features...

特色文件:
RTKA214220DR0000BU Demonstration 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
    RAA2142204GP3#JA0
    circle有效
    memory
    spa
    view_in_ar
    可提供样片
    		 2033 12月 TSOT Reel 1 0.5605 获取样片,
    Parametric Table tips

    Tips for Using This Parametric Table:

    • Hide Filters button in header: Collapse or expands filters
    • Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
    • Reset button in header: Reset all filters to the page default
    • Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
    • Export button in header: Export the filtered results of the table to an Excel document
    • Filter parts search bar in header: Type to filter table results by part number
    • Hide column button in column headers: Select to hide columns in table
    • AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
    • Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
    • Document icon next to product name in row: View the featured document for this product
    • Chip icon next to the right of the document icon in row: View the block diagram for this product
    • Cart icon to the right of the chip icon: Indicates that samples are available for this product