概览

The RAA212832 is a triple output regulator combining a 4.5V to 72V input, 0.5A buck regulator with two LDO outputs. The buck regulator has a fixed switching frequency of 350kHz in Continuous Conduction mode (CCM) and operates in Pulse Skipping mode at lighter loads when it enters Discontinuous Conduction mode (DCM). The two LDOs operate from a 12V (or lower) input voltage. The LDOs are rated at 100mA and 50mA of output current. The buck regulator output is fixed at either 6V or 12V, which is controlled by the STBY pin. The LDOs can support an input voltage range of 6V to 12V and the output voltages are fixed at 3.3V and 5V. The IC provides a compact, highly integrated power management solution. Its integrated buck regulator and LDO outputs minimize system component count.

  • Buck Converter
    • 4.5V to 72V input voltage
    • Fixed output voltage 12V or 6V
    • 500mA output load capability
    • 0.6Ω high-side MOSEFT rDS(ON)
    • Fixed switching frequency 350kHz in CCM operation
    • Pulse skipping mode in DCM operation
    • Standby function by STBY pin setting output voltage
    • High-side OCP, UVP, UVLO, OTP fault protection
  • 5V LDO Regulator
    • 6V to 12V input voltage
    • Fixed output voltage 5V
    • 100mA output load capability
    • Current limit foldback function
  • 3.3V LDO Regulator
    • 4.5V to 12V input voltage
    • Fixed output voltage 3.3V
    • 50mA output load capability
    • Current limit foldback function
    • SOIC8-E package

应用

  • Electric-bike power management
  • Motor driver control board power supply

文档

= 相关文档
类型 文档标题 日期
数据手册
RAA212832 Datasheet
PDF 3.29 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

开发板与套件

RAA212832 Demonstration Board

RTKA212832DR0000BU

演示
了解更多

Sync Buck Eval Board with 14V to 72V Vin Range, 12V 500mA Buck Output, 5V 100mA and 3.3V 50mA LDO Outputs

The RTKA212832DR0000BU provides a simple platform to demonstrate the performance of RAA212832, a synchronous buck regulator with 2 LDO outputs. The evaluation board can...

特色文件:
RTKA212832DR0000BU 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.

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Diagram of ECAD Models

产品选择

    Processing table
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    购买 / 样片
    器件号
    RAA2128324GSP#HA0
    circle有效
    memory
    spa
    view_in_ar
    可提供样片
    		 SOICN-EP Reel 2 0.9968 获取样片,
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