WMSIC Electronic Components

XNRUSEMI XR3400L

ModelXR3400L
PackageSOT-23-3L
BrandXNRUSEMI
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XNRUSEMI XR3400L
Type
XNRUSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR3400L
Electronic Component
1
Package
SOT-23-3L
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.035g
Electronic Component
1
Electronic Component
BM0264844118
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.4W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
30V
Capacitor(Ciss)
507pF

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

XR3400L 产品概述

一、器件简介

XR3400L 是 XNRUSEMI(新锐) 推出的一款高单元密度沟槽式 N 沟道 MOSFET,面向小功率开关与负载开关等通用电源管理场景。器件额定漏源电压为 30V,连续漏极电流 5.8A,导通电阻 RDS(on) 典型 24mΩ(VGS=10V),在 SOT-23-3L 小封装中提供良好的导通性能与开关效率,适合空间受限的便携与车载辅助电源应用。器件符合 RoHS 与绿色产品要求,工作温度范围为 -55℃ 至 +150℃。

二、主要电气参数(概要)

  • 漏源电压 Vdss:30V
  • 连续漏极电流 Id:5.8A
  • 导通电阻 RDS(on):24mΩ @ VGS=10V
  • 阈值电压 VGS(th):700mV(典型)
  • 总栅极电荷 Qg:9.1nC @ 15V
  • 输入电容 Ciss:507pF
  • 反向传输电容 Crss:43pF
  • 功耗耗散 Pd:1.4W(SOT-23 封装条件下)
  • 工作温度:-55℃ ~ +150℃
  • 封装:SOT-23-3L

三、产品特性与优势

  • 低导通电阻:在 10V 驱动下 24mΩ 的 RDS(on) 能有效降低导通损耗,提升效率,适合需要低压损且电流中等的场合。
  • 低阈值电压:700mV 的 VGS(th) 表明在较低驱动电压下即可导通,便于与低压逻辑或电池系统配合(实际 RDS(on) 随 VGS 变化,应按工作点评估)。
  • 合理的栅极电荷与电容:Qg=9.1nC(15V)与 Ciss=507pF、Crss=43pF,开关时驱动能耗与开关损耗处于可控范围,适合中频率开关或负载开关场景。
  • 小尺寸封装:SOT-23-3L 适合空间受限 PCB 布局和批量化成本敏感应用。
  • 宽温度范围与可靠性:设备支持工业级温度范围,适合苛刻环境下长期工作。

四、典型应用场景

  • 移动设备与便携装备的电源负载开关(功率路径开关、外设电源断开)
  • 电池管理与电源控制(低压 DC-DC 前端开关、倒灌保护)
  • 同步整流或低压降开关元件(在合适驱动条件下)
  • 工业与车载电子中中低功率开关(辅助电源、传感器电源开关)
  • 通用开关元件、保护电路与功率分配模块

五、设计与使用建议

  • 驱动电压:若追求最低导通阻抗,建议使用接近 10V 的门极驱动电压;在 5V 或更低驱动时,器件仍可导通但实际 RDS(on) 会上升,需评估导通损耗。
  • 开关速度控制:Qg 与 Ciss 指标表明在快速开关时会有较明显的栅极能量需求。为减小振铃与 EMI,建议在驱动回路串联合适的门极电阻,并在对地处配置去耦电容。
  • 热管理:SOT-23-3L 的 Pd 为 1.4W(典型散热条件),在连续大电流工作时需关注结温上升,建议通过增大 PCB 铜箔面积与加热路径优化来降低热阻,必要时做短时脉冲或减少占空比。
  • 保护与可靠性:在驱动感性负载或存在反向电压的场合,建议并联 TVS 或续流二极管以保护器件避免过压和超限应力。为防止误导通,可在门极增加下拉电阻确保关断态。
  • 布局要点:门极回路尽量短且粗,驱动回路与功率回路分离;源极与功率地应做低阻连接;若需要测量电流,可考虑在源端或漏端留出相应测量点,但避免额外寄生导致热热点。

六、选型注意事项

  • 评估工作电压与浪涌能力:30V Vdss 适合多数 12V/24V 系统的小功率部分,但若存在大幅过压或高能量冲击,需评估器件的瞬态耐受性与系统保护措施。
  • 考虑导通损耗与开关损耗的权衡:对高频 PWM 或同步整流场景,应综合考虑 RDS(on)、Qg 与 Crss 对效率的影响,必要时比较其他封装或更低 RDS(on) 的型号。
  • 封装与功率限制:SOT-23-3L 在体积与成本上有优势,但散热能力受限,连续大电流应在 PCB 散热设计上做保障。

XR3400L 以其低 RDS(on)、较低阈值和适中的栅极电荷,在小功率开关与负载管理中提供了性价比高且可靠的选择;配合良好的驱动与散热设计,能在便携、电源管理及工业控制等多种场景发挥稳定作用。若需更详细的电气参数曲线、典型应用电路与封装尺寸,请参考官方数据手册或联系 XNRUSEMI(新锐) 支持获取完整资料。

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