WMSIC Electronic Components

RICHTEK RTQ2522AGQW

ModelRTQ2522AGQW
PackageWDFN-10(3x3)
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 RTQ2522AGQW
Type
RICHTEK
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
150mV@(2A)
Electronic Component
RICHTEK
Electronic Component
RTQ2522AGQW
Electronic Component
1
Package
WDFN-10(3x3)
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.11g
Electronic Component
1
Electronic Component
BM0264689772
Operating Temperature
40℃~+105℃@(Ta)
Operating Voltage
5.5V
Output
Electronic Component
Output Voltage
800mV~3.6V
Output Current
2A
Output Type
Electronic Component

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

RTQ2522AGQW 产品概述

一、产品简介

RTQ2522AGQW 是台湾立锜(RICHTEK)的一款高性能线性稳压器(LDO),输出极性为正极,输入最高工作电压可达 5.5V,输出电压可调范围为 0.8V ~ 3.6V,最大输出电流 2A。该器件在满载 2A 时表现出低压差(典型 150mV),静态电流仅 2mA,适合对噪声和纹波要求较高且需要较大电流的电源轨应用。封装为 WDFN-10(3 × 3 mm),适合空间受限的移动和工业应用。

二、主要特性(要点)

  • 可调输出电压:0.8V ~ 3.6V,适配多种电压轨
  • 输出电流:最高 2A,满载时压差典型 150mV(@2A)
  • 低静态电流:Iq ≈ 2mA,有利于待机功耗控制
  • 工作电压:最高 5.5V(输入端),工作温度范围 -40℃ ~ +105℃(Ta)
  • 封装:WDFN-10(3×3),便于 PCB 热设计与散热
  • 常见保护:内置限流与过温保护(通常 LDO 标配,可在方案确认时核对数据手册)

三、典型应用场景

  • 手机、平板等便携式终端的线性电源轨
  • MCU、FPGA、数字/模拟混合系统的低噪声供电
  • 摄像模组、传感器前端和射频前端的基准电源
  • 工业控制、车载电子(在符合温度与隔离要求下)部分低压段电源

四、设计与使用要点

  • 输出电容:建议使用低 ESR 陶瓷电容(例如 4.7µF ~ 10µF),并将电容尽量靠近 VOUT 引脚布置,以确保稳定性与瞬态响应。
  • 输入电容:在 VIN 端并联 1µF ~ 10µF 陶瓷电容以抑制输入骚扰与保证瞬态。
  • 功率耗散与热设计:线性稳压器的功耗 Pd = (VIN - VOUT) × IOUT。例如 VIN=5.5V、VOUT=0.8V、IOUT=2A 时,Pd ≈ 9.4W,单片 LDO 难以散热,应避免在此类极端压差与大电流同时出现的工况,必要时选择开关转换器或采取大的 PCB 铜箔散热/散热片设计。
  • 布局:保证 VIN、VOUT、GND 的短回路路径,GND 建议采用完整的接地平面并在封装底部焊盘处连大铜箔以提升散热。输出电容与反馈网络放置靠近芯片对应引脚。
  • 引脚与功能:常见引脚包含 VIN、VOUT、GND、ADJ/FB、EN(使能)。在设计前请参照官方数据手册确认精确引脚定义和外部元件推荐值。

五、选型建议与注意事项

  • 若系统存在大压差且需要持续大电流输出,优先评估开关型降压方案以降低功耗与散热压力;RTQ2522AGQW 更适合噪声敏感且压差较小的 LDO 应用场景。
  • 在车载或高温环境使用时,请确认实际工作温度、热阻及器件功耗,必要时进行热仿真与温升测试。
  • 最终设计请参照 RICHTEK 官方数据手册以获取精确电气参数、典型应用电路、可靠性与安全性说明。

总结:RTQ2522AGQW 为一款性能均衡的可调线性稳压器,适用于对低噪声与快速瞬态要求较高的中高电流应用,但在大压差高电流工况下需特别注意热管理与功耗限制。

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