WMSIC Electronic Components

XNRUSEMI XR2317L

ModelXR2317L
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 XR2317L
Type
XNRUSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
XNRUSEMI
Electronic Component
XR2317L
Electronic Component
1
Package
SOT-23-3L
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.042g
Electronic Component
1
Electronic Component
BM0264974390
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.5W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

XR2317L 产品概述

一、主要特性

XR2317L 是新锐(XNRUSEMI)推出的一款高单元密度沟槽式 P 沟道 MOSFET,封装为 SOT-23-3L。器件针对小功率开关与负载开关应用优化,具有低导通电阻与较小门极电荷,适合在受限板面积和低电压门驱动条件下使用。器件符合 RoHS 和绿色产品要求,并具备全面的功能可靠性。

二、关键参数

  • 类型:P 沟道 MOSFET(单片,数量:1)
  • 漏源耐压 Vdss:20 V
  • 连续漏极电流 Id:9 A
  • 导通电阻 RDS(on):26 mΩ @ Vgs = -2.5 V
  • 功耗 Pd:1.5 W
  • 阈值电压 Vgs(th):约 1 V
  • 总门极电荷 Qg:33.7 nC @ Vgs = 4.5 V
  • 输入电容 Ciss:1.2 nF
  • 反向传输电容 Crss:168 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT-23-3L

(以上为器件主要电气和热特性,实际电路中应参考完整数据手册进行详细核对。)

三、优势与典型应用

XR2317L 在同类小封装 P 沟道器件中具有较低的导通电阻(26 mΩ @ 2.5 V),在低压负载开关与电源回路中能够提供较好的导通效率,减小导通损耗。适用场景包括:

  • 电源管理中的高边负载开关与反接保护
  • 电池供电设备的电源切换与热插拔控制
  • 便携设备、通信设备与消费电子中需要节省 PCB 面积的开关场合
  • 低压电平转换与电机驱动的保护电路(作为旁路或断开器件)

四、设计与布局要点

  • 门驱动:P 沟道在高边开关时可用较简单的栅极驱动实现关/断,但需注意 Vgs 的极性与幅值,尽量保证栅极在期望条件下达到使 RDS(on) 标称值的驱动电压(例如 -2.5 V 条件下的导通电阻)。
  • 开关损耗:门极电荷 Qg = 33.7 nC 和 Ciss = 1.2 nF 表明开关切换时有一定的驱动能量需求,驱动器需能提供相应的瞬时电流以控制开关速度,避免过慢导致开关损耗增加或过快导致电磁干扰。
  • 热管理:封装为 SOT-23-3L,器件功耗 Pd = 1.5 W,但实际允许功耗受 PCB 铜箔面积和散热条件影响。建议在 PCB 布局中扩大漏极与源极的铜箔散热区域,并使用多层接地/电源平面以降低温升。
  • 布局走线:尽量缩短电源回路中的走线,增大电容旁路以降低尖峰电压;Crss = 168 pF 表明在快速切换时有耦合返馈,注意抑制振铃和门极误触发。

五、使用注意事项与可靠性

  • 工作区间:器件适用于 -55 ℃ 到 +150 ℃ 的工作温度范围,但在高温下 RDS(on) 会上升,应在热设计中留有裕量。
  • 静电防护:MOSFET 对静电敏感,器件在加工和手工焊接时应采取防静电措施。
  • 可靠性认证:符合 RoHS 要求,适合绿色制造和环保要求的产品设计。
  • 选型建议:在需要更高电流或更低导通电阻的场合,应评估器件的热限及长期稳态电流能力,必要时选择更大封装或并联方案。

总结:XR2317L 以其低 RDS(on)、适中的门极电荷和 SOT-23 小封装特性,非常适合空间受限的低压高边负载开关与电源管理应用。设计时应重点关注门极驱动、开关损耗与 PCB 散热布局,以发挥器件最佳性能。

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