WMSIC Electronic Components

RICHTEK RT8012AGQW

ModelRT8012AGQW
PackageWQFN-16(4x4)
BrandRICHTEK
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RICHTEK RT8012AGQW
Type
RICHTEK
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RICHTEK
Electronic Component
RT8012AGQW
Electronic Component
1
Package
WQFN-16(4x4)
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.07g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0265104289
Operating Temperature
40℃~+125℃
Operating Voltage
2.6V~5.5V
Switching Frequency
1.2MHz
Electronic Component
Electronic Component
Output Voltage
800mV~5V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RT8012AGQW 产品概述

一、产品简介

RT8012AGQW 是 RICHTEK(台湾立锜)推出的一款内置开关管的双通道降压型 DC-DC 转换器,采用 WQFN-16 (4×4) 封装。器件支持输入电压范围 2.6V 至 5.5V,两个通道的输出电压可调范围为 0.8V 至 5.0V,输出电流等级覆盖 1A 与 1.5A(视具体通道配置与型号而定)。内置同步整流提高转换效率,1.2MHz 的开关频率便于采用小体积电感与电容以实现紧凑 PCB 布局。

二、主要特性

  • 输入电压:2.6V ~ 5.5V。
  • 输出电压:0.8V ~ 5.0V(可通过外部分压电阻设定)。
  • 输出电流:1A / 1.5A 等级(双通道输出,具体请参阅型号说明)。
  • 开关频率:1.2MHz,利于小型化电感选型和快速瞬态响应。
  • 拓扑结构:同步降压(内置开关管),无需外置肖特基二极管。
  • 保护功能:过流保护(OCP)、短路保护等;具备工作状态指示(Power-Good/标志输出)。
  • 工作温度范围:-40°C ~ +125°C。
  • 封装:WQFN-16 (4×4),带外露焊盘便于散热与接地。

三、优势与设计要点

  • 高集成度:内置高侧/低侧 MOSFET,减少外部器件数量与 PCB 面积。
  • 高效率:同步整流在中高负载时明显降低损耗,延长电池寿命。
  • 高频率:1.2MHz 允许使用更小的电感与陶瓷电容,实现体积与成本优化。
  • 可调输出:通过外部分压实现灵活的电压配置,便于多电压系统设计。
    设计建议包括:选择低 DCR、饱和电流足够的功率电感(常见范围 1µH~4.7µH 取决于电流与纹波要求);输入侧采用低 ESR 陶瓷电容以抑制突发电流;输出侧配合足够容值与低 ESR 的电容以保证稳定性与瞬态响应。

四、热管理与布局建议

  • 利用外露焊盘(EP)与多热过孔将热量传导至 PCB 内层,提高散热能力。
  • 高频开关节点走线尽量短且成回流面,输入电容靠近 VIN 与 GND 引脚摆放,感性元件与开关管保持合适间距以降低 EMI。
  • 在高功率或高环境温度下评估热降额,必要时增加散热铜箔或散热器件。

五、典型应用

适用于便携式设备、物联网终端、消费电子、通信设备及工业控制等需要双轨稳压、体积受限且需高效率供电的场景。

如需详细电气特性曲线、引脚定义与参考电路,请参考 RICHTEK 官方数据手册与参考设计。

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