WMSIC Electronic Components

TOREX XC6702D501PR-G XC6702D501PR

ModelXC6702D501PR-G
PackageSOT-89-5
BrandTOREX
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
TOREX XC6702D501PR-G
Type
TOREX
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
810mV@(100mA)
Electronic Component
TOREX
Electronic Component
XC6702D501PR-G
Electronic Component
1
Package
SOT-89-5
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.12g
Electronic Component
1
Features
Built-in
Electronic Component
BM0230062583
Operating Temperature
40℃~+105℃@(Ta)
Operating Voltage
36V
Output
Electronic Component
Output Voltage
5V
Output Current
300mA

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

XC6702D501PR-G 产品概述

XC6702D501PR-G 是 TOREX(特瑞仕)推出的一款高压输入、低功耗的固定输出线性稳压器(LDO),输出 5.0V,最大输出电流 300mA,适用于需要高输入电压容限且对电源纹波抑制和启动特性有要求的系统。器件采用 SOT-89-5 小型封装,集成多种保护功能,适合空间受限但要求可靠性和稳定性的电源设计场合。

一、关键规格亮点

  • 输入电压上限:36V(高压输入能力,便于直接从 24V 或更高工作电源侧取电)
  • 固定输出:5.0V,单通道输出
  • 最大输出电流:300mA(注意热量管理限制,见下文热设计说明)
  • 压差(Dropout):约 810mV @ 100mA(在较大负载下压差会增加,应参考数据手册)
  • 静态电流(Iq):80µA(待机功耗低,有利于节能/休眠场景)
  • 电源纹波抑制比(PSRR):65dB @ 1kHz(优良的纹波抑制能力,降低来自前级开关噪声对敏感电路的影响)
  • 工作温度范围:-40℃ 至 +105℃ (Ta)
  • 封装:SOT-89-5(小体积,便于表面贴装)
  • 集成保护:过流保护、短路保护、软启动、热关断(提高系统可靠性)

二、功能与内部特性

XC6702D501PR-G 以线性稳压结构为核心,内部包含参考源、误差放大器、外部功率晶体管(通过封装引出)以及一套保护电路。其软启动功能限制通电瞬间的输出浪涌电流,保护上游电源和下游负载;过流/短路保护和热关断对异常工况提供多重保护,避免器件和系统损坏。较低的静态电流适合对静态功耗敏感的系统。

三、热设计与实际应用注意事项

虽然器件标称最大输出电流可达 300mA,但在高输入电压差情况下,线性稳压器会产生较大的功耗,Pd = (Vin - Vout) × Iout。举例:若 Vin = 36V、Vout = 5V、Iout = 300mA,则理论功耗约为 9.3W,这在 SOT-89-5 小封装上难以散热,通常无法在不加散热措施下持续工作。设计时应注意:

  • 优先降低输入电压差(在接近 Vout 的输入电压或分级降压时使用),或采用前端降压器(降压型开关电源)减小线性级功耗。
  • 评估 PCB 散热面积与铜箔厚度,增大 GND / VIN 引脚周围的铜铺,改善散热。
  • 如需在高 Vin 下输出大电流,建议使用功率更强的封装或切换到开关稳压器以提高效率。
  • 在热设计评估中,参考 XC6702 的 θJA/θJC 参数(请以正式数据手册为准)并计算最大允许耗散 Pd_max 以避免热关断。

四、布局与外部元件建议

  • 在输入端靠近 VIN 引脚放置适当的去耦电容,以抑制输入线上高速开关噪声与瞬态。
  • 输出端通常需要输出电容以保证稳压器稳定性与瞬态响应,选择低 ESR 电容可改善纹波与响应速率。具体电容容量与 ESR 范围请依数据手册推荐值选型。
  • 将输入电容与输出电容布局靠近相应引脚,走线尽量短且粗,减少寄生电感和阻抗。
  • 对于高功率工况,增加过温检测和分流路径以保护系统。

五、典型应用场景

  • 工业控制与自动化系统(24V/36V 供电轨降压至 5V 逻辑或传感器电源)
  • 仪表、传感前端以及需要良好开关噪声抑制的混合信号系统
  • 便携或电池辅助设备(当输入电压与功耗配合得当时,低静态电流有助于延长待机时间)
  • 需要软启动与多重保护的稳压场合

六、器件选型与采购提示

请以官方数据手册为准确认压降随电流变化、输出电容稳定性要求、热阻参数及引脚功能等详细信息。器件型号:XC6702D501PR-G,封装 SOT-89-5。如需在具体系统中使用,建议向 TOREX 或授权分销商索取最新样品与技术资料,并进行实际电路与热测试以验证设计的可行性。

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