WMSIC Electronic Components

LRC LP2301ELT1G

ModelLP2301ELT1G
PackageSOT-23
BrandLRC
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LRC LP2301ELT1G
Type
LRC
Minimum package
3000 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LRC
Electronic Component
LP2301ELT1G
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Electronic Component
MOSFET
Electronic Component
0.029g
Electronic Component
1
Electronic Component
BM0246633300
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
900mW
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V
Capacitor(Ciss)
520pF

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

LP2301ELT1G 产品概述

一、概述

LP2301ELT1G 是 LRC(乐山无线电)推出的一款小尺寸 P 沟道场效应管,SOT-23 封装,适合低电压高侧开关和小功率开关场合。器件额定漏源电压为 20V,连续漏极电流标称 2.8A,导通电阻在逻辑电平驱动下表现良好,适用于便携设备和小型电源管理模块中对体积和成本敏感的设计。

二、主要技术参数

  • 型号:LP2301ELT1G(LRC)
  • 沟道类型:P 沟道 MOSFET
  • 数量:1 个
  • 漏源电压 Vdss:20 V
  • 连续漏极电流 Id:2.8 A
  • 导通电阻 RDS(on):110 mΩ @ VGS = 4.5 V, Id = 2.8 A
  • 功耗 Pd:900 mW(封装热限;实际需按 PCB 散热考虑)
  • 阈值电压 Vgs(th):约 0.9 V(绝对值,P 沟道为负极性)
  • 栅极电荷 Qg:3.5 nC @ 4.5 V
  • 输入电容 Ciss:520 pF @ 6 V
  • 反向传输电容 Crss:17 pF @ 6 V
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 封装:SOT-23(请以官方封装图为准)

三、性能亮点

  • 逻辑电平兼容:在 VGS = 4.5 V 驱动下可达到额定 RDS(on),便于与低压控制电路直接配合使用。
  • 小体积封装:SOT-23 适用于空间受限的 PCB 布局。
  • 适合高侧开关:作为 P 沟道 MOSFET,可用于电源开关与反向电流阻断的高侧控制。
  • 中等开关速度:Qg 约 3.5 nC、Ciss 520 pF,兼顾驱动能耗与开关速度,适合低频开关场合。

四、典型应用场景

  • 电源开关/电源管理:便携设备的输入高侧开关、USB 电源路径控制。
  • 负载切换:电池切换、备份电源切换、反接保护(配合其它器件)等。
  • 小电流驱动与保护电路:LED 驱动、传感器电源管理、接口电源切换。

五、设计与热管理建议

  • 注意功耗极限:在 RDS(on)=110 mΩ、Id=2.8 A 时,导通损耗约 I^2·R ≈ 0.86 W,已接近器件 Pd 的 900 mW 极限。在实际设计中应充分降额使用,避免长期在极限条件下运行。
  • PCB 散热:SOT-23 封装散热受限,建议在器件底部和相邻铜箔增加散热铜皮,使用多层板的内外层过孔连接以扩展散热面积。
  • 驱动电压与 VGS 控制:P 沟道的门极相对于源极为负向驱动,确保 VGS 不超过器件最大额定值(请参见完整数据手册),并设计合适的栅极电阻与回路以抑制振荡和减小开关损耗。
  • 开关损耗与速度权衡:若要求更快开关,需加大驱动能力以克服 Qg,同时注意由此带来的瞬态损耗和 EMI。
  • 热-电耦合:高工作温度会增加 RDS(on),需在热条件下重新评估导通损耗并采取降额。

六、封装与可靠性

  • SOT-23 封装体积小,适合自动贴片生产。
  • 工作温度范围宽(-55℃ 至 +150℃),适配工业级温度需求,但在高温下器件性能(如 RDS(on))会发生变化,设计时需留出裕量。
  • 建议在生产与存储中按标准防静电和潮湿敏感器件(MSD)处理流程执行。

七、采购与验证

  • 型号标识:LP2301ELT1G,品牌:LRC(乐山无线电)。
  • 采购说明:本次需求数量为 1 个(样品/单片)。批量购买请咨询供应链以获取最优包装与价格。
  • 验证建议:在将器件投入产品前,请参照官方完整数据手册核实管脚定义、最大额定值、极限条件及典型特性,并在目标系统中进行热仿真与实测验证。

备注:以上信息基于提供的主要参数整理而成。为保证设计安全与可靠性,建议在正式设计与量产前参阅厂商完整版数据手册与封装图,并进行实验验证。

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