WMSIC Electronic Components

XNRUSEMI XR90N03D

ModelXR90N03D
PackagePDFN-8L(3x3)
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
XNRUSEMI XR90N03D
Type
XNRUSEMI
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR90N03D
Electronic Component
1
Package
PDFN-8L(3x3)
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.112g
Electronic Component
1
Electronic Component
BM0264844104
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
46W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
30V
Capacitor(Ciss)
2.088nF

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

XR90N03D 产品概述

一、产品简介

XR90N03D 是一款高单元密度的沟槽式 N 沟道 MOSFET,额定漏源电压 30V、连续漏极电流 90A,专为高效率同步降压转换器及其他功率开关应用设计。该器件在 10V 栅压下展现极低的导通电阻(RDS(on)=3.5mΩ),并且具有完整的雪崩耐量测试保证,满足 RoHS 与绿色环保要求。封装为 PDFN-8L (3x3),适合高密度 PCB 布局。

二、主要电气参数(典型/关键)

  • 漏源电压 Vdss:30V
  • 连续漏极电流 Id:90A
  • 导通电阻 RDS(on):3.5mΩ @ Vgs=10V
  • 最大耗散功率 Pd:46W
  • 栅极阈值电压 Vgs(th):1.6V(典型)
  • 总栅极电荷 Qg:20nC @ Vgs=15V
  • 输入电容 Ciss:2.088nF
  • 反向传输电容 Crss:209pF
  • 工作温度范围:-55℃ ~ +150℃

三、核心优势与特性

  • 低导通损耗:3.5mΩ 的低 RDS(on) 在高电流工况下有效降低导通损耗,提升效率与热稳定性。
  • 栅极驱动与开关性能平衡:Qg 约 20nC、Ciss 较大,适配主流驱动器,兼顾开关损耗与驱动电流要求。
  • 强固的可靠性:100% 雪崩耐量测试,适合出现瞬态过电压或硬开关场景的稳健工作。
  • 小型高效封装:PDFN-8L (3x3) 有利于散热设计与高密度布板,便于批量生产与自动贴装。

四、典型应用场景

  • 同步整流/同步降压转换器(大电流通道)
  • 服务器与通信电源、分布式电源模块
  • 电池管理与电动工具驱动电路
  • 高效功率分配与负载开关

五、设计与布局建议

  • 栅极驱动:为获得规格标定的低 RDS(on),建议采用 10–12V 的驱动电压;注意驱动器需能提供瞬态 Qg 电流以保证快速开关。
  • 驱动能量估算:以 Vgs=10V、Ciss=2.088nF 为例,单次驱动能量约 0.5CissVgs^2 ≈ 104 nJ,选择驱动器时考虑开关频率后的平均功耗。
  • 热管理:Pd=46W 是器件耗散能力的参考值,实际板级热阻与散热结构影响显著。推荐在底部焊盘处布置热沉过孔并连接大面积铜箔以降低结到环境热阻。
  • 布线与布局:缩短高电流回路路径,增大功率走线宽度;栅极走线应尽可能短且带阻尼元件(如小电阻)以抑制振铃;旁路电容靠近器件的漏源端放置以减少寄生感抗。

六、可靠性与封装

  • 工作温度范围宽(-55℃ ~ +150℃),适应工业级应用。
  • PDFN-8L (3x3) 封装提供良好焊接性与热性能,推荐遵循厂家回流焊工艺规范。
  • 满足 RoHS 要求,并通过完整的功能可靠性与雪崩测试,便于在要求较高的系统中长期使用。

七、选型与注意事项

  • 若系统在较低门极电压(如 5V)下工作,应评估在该 Vgs 下的 RDS(on) 与效率;本器件的最优导通在 10V 驱动下。
  • 高频开关场合应兼顾开关损耗(与 Qg、Crss 有关),并对驱动电路与 PCB 布局进行优化以减少 EMI。
  • 在并联使用时注意电流均流与散热布置,确保每个器件工作在安全温度范围内。

如需器件封装尺寸图、典型效率曲线或参考电路图(同步降压拓扑),可提供更详细的资料与布局建议。

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