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ElecSuper AO3401CI-ES AO3401CI
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Elec Super AO3401CI-ES
- Type
- SOT-23
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ELECSUPER
- Electronic Component
- AO3401CI-ES
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- 1 P
- Type
- P
- Electronic Component
- MOSFET
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Electronic Component
- BM0258808452
- Power Dissipation(Pd)
- 1.4W
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Voltage(Vdss)
- 20V
- Capacitor(Ciss)
- 405pF
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
AO3401CI-ES 产品概述
一、产品简介
AO3401CI-ES（品牌：ElecSuper / 静芯微）是一款单片P沟道增强型MOSFET，封装为SOT-23，适用于低压小功率高侧开关与电源管理场景。器件额定漏源电压20V、连续漏极电流2.3A，兼顾较低导通损耗与小体积封装，适合在3.3V/5V系统中用作电源切换与保护元件。
二、主要参数与性能特点
- 类型：P沟道 MOSFET（单颗）
- 封装：SOT-23（小外形、便于贴片）
- Vdss（漏源电压）：20V
- Id（连续漏极电流）：2.3A
- RDS(on)：90mΩ @ Vgs = 4.5V；110mΩ @ Vgs = 2.5V
- Pd（耗散功率）：1.4W（SOT-23 封装条件下典型值，实际热限制依PCB散热而异）
- Vgs(th)（阈值电压）：约700mV @ ID = 250µA
- Qg（总栅极电荷）：3.3nC @ Vgs = 2.5V（影响开关损耗与驱动要求）
- Ciss / Coss / Crss：405pF / 75pF / 55pF（影响开关瞬态与环路稳定性）
这些参数表明在2.5–4.5V栅压区间仍能获得较低的导通电阻，适合直接在常见逻辑电平下工作，并在开关频率不太高的场合达到良好效率。
三、典型应用场景
- 电源高侧开关与负载断电控制（便于在正供电侧实现断开）
- 电池保护与电源路径管理（移动设备、便携仪器）
- 逆向/防反接保护（结合控制电路使用）
- 低压分流或电源管理开关（3.3V/5V 单板系统）
注意：由于器件为P沟道，门极驱动与电路拓扑需考虑门极相对于源极的电压极性。
四、设计与布局建议
- 门极驱动：P沟道在高侧使用时，需将门极拉低才能导通；要在关断时将门极拉至接近源电位。考虑使用适当阻值的门极电阻（典型值10–100Ω）以抑制寄生振荡并控制开关应力。
- 开关速度与损耗：Qg = 3.3nC 和 Ciss/Crss 表明在较高开关频率下驱动功耗增加，建议用于低到中等开关频率（例如开/关控制或PWM 低频场景）。
- 热设计：SOT-23 封装的1.4W耗散受PCB铜层与热阻影响显著，推荐在PCB上加大铜箔面积并使用散热通道以提升散热能力，防止长期大电流工作下过热。
- 布局建议：将电源走线、MOSFET以及相关电阻/二极管尽量靠近，减小回流电感；门极驱动与信号地线保持短且宽的走线以降低寄生。
- 可靠性注意：使用前请查阅完整数据手册以确认 VGS 最大额定值、瞬态电流限值及热关断特性，避免超限操作。
五、封装与订购信息
- 型号：AO3401CI-ES
- 品牌：ElecSuper（静芯微）
- 封装：SOT-23，单P沟道器件，适合SMT工艺
- 建议前样测试：在目标PCB与典型工作条件下验证导通电阻、温升与开关损耗，确保满足应用需求。
总结：AO3401CI-ES 以其低RDS(on)、在2.5–4.5V逻辑电平下良好表现和SOT-23小封装，适合便携式与嵌入式系统的高侧电源开关、负载控制与电源管理应用。选用时请综合考虑驱动方式、散热与开关频率，以发挥其最佳性能。
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