WMSIC Electronic Components

UMW AO4826

ModelAO4826
PackageSOP-8
BrandUMW
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
UMW AO4826
Type
UMW
Minimum package
3000

Technical parameters

Electronic Component
UMW
Electronic Component
AO4826
Electronic Component
1
Package
SOP-8
Electronic Component
2 N
Electronic Component
MOSFET
Electronic Component
0.19g
Electronic Component
1
Electronic Component
BM0264554887
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
4W
Electronic Component
3000
Voltage(Vdss)
60V
Capacitor(Ciss)
600pF
Output Capacitor(Coss)
110pF
Gate (Qg)
11.7nC@10V

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

UMW AO4826 N沟道场效应管产品概述

UMW(友台半导体)推出的AO4826是一款双N沟道增强型MOSFET,采用SOP-8封装,针对中小功率电源管理、负载开关等场景优化设计,具备低导通损耗、快开关速度、宽温度范围三大核心优势,适配多领域电子设备需求。

一、产品基本信息

AO4826为双N沟道MOSFET,品牌为UMW(友台半导体),封装形式为SOP-8(表面贴装8引脚),属于中小功率器件范畴,体积紧凑(引脚间距1.27mm),适合高密度PCB布局(如手机、平板等小型设备)。

二、关键电气参数解析

AO4826的参数围绕“效率优先、场景适配”设计,核心参数解析如下:

1. 电压与电流能力

  • 漏源电压(Vdss):60V:耐压能力覆盖12V、24V、48V等低压电源体系,避免过压损坏;
  • 连续漏极电流(Id):7A:可稳定承载7A持续电流,峰值电流能力(通常为Id的2~3倍)满足短期脉冲需求(如电机启动瞬间);
  • 阈值电压(Vgs(th)):1.5V@250uA:低阈值电压意味着仅需1.5V栅源电压即可导通,适配3.3V、5V等常见控制电路,无需高压驱动,简化系统设计。

2. 导通与功耗特性

  • 导通电阻(RDS(on)):28mΩ@10V:该参数是衡量导通损耗的核心指标,28mΩ的低阻值在同类SOP-8器件中表现突出——以7A持续电流计算,导通损耗仅约1.37W(P=I²R=7²×28e-3),远低于普通器件(同类产品多在40mΩ以上,损耗超2W),有效提升电源转换效率;
  • 耗散功率(Pd):4W:额定工作条件下最大允许耗散功率为4W,结合低导通损耗,可稳定工作于中小功率场景(如12V转5V/2A的DC-DC模块)。

3. 开关与电容特性

  • 栅极电荷量(Qg):11.7nC@10V:Qg是影响开关速度的关键参数,11.7nC的低电荷量意味着栅极充放电时间短,开关频率可达数MHz级别,适合高频DC-DC转换;
  • 电容参数(Ciss/Crss/Coss):
    • 输入电容(Ciss):600pF;
    • 反向传输电容(Crss):50pF(米勒电容,影响开关延迟,低Crss削弱米勒效应,减少电压过冲);
    • 输出电容(Coss):110pF(影响关断时电压上升速率,平衡开关速度与EMI)。

4. 温度与可靠性

  • 工作温度范围:-55℃~+175℃:覆盖工业级温度标准(一般工业级为-40~+125℃),甚至超出部分汽车级要求,可稳定工作于极端环境(如高温工业现场、低温户外设备)。

三、主要应用场景

AO4826的参数特性使其适用于以下典型场景:

1. 便携式设备电源管理

  • DC-DC降压转换:笔记本、平板电脑的12V转5V/3.3V电源模块,低损耗提升电池续航;
  • 电池保护电路:作为负载开关实现过流、过压保护,7A电流满足主流移动设备充电需求。

2. 中小功率电机驱动

  • 小型电机控制:玩具电机、无人机微型电机、智能家居电机(如窗帘电机),60V耐压与7A电流覆盖其工作范围。

3. 工业与通信设备

  • 电源适配器/充电器:同步整流电路的低压侧开关,提升快充效率;
  • 通信基站辅助电源:宽温度范围适配户外基站高低温环境。

4. 消费电子负载开关

  • USB电源切换:手机充电器、移动电源的USB端口开关,实现多路电源选择。

四、封装与可靠性优势

AO4826采用SOP-8封装,具备以下优势:

  • 体积紧凑:适配手机主板、小型电源模块等高密度PCB设计;
  • 散热性:引脚辅助散热,结合4W耗散功率,无需额外散热片即可稳定工作;
  • 焊接兼容:适配回流焊、波峰焊等主流工艺,生产效率高。

五、性能总结

对比同类SOP-8双N沟道MOSFET(如AO3400系列),AO4826的核心优势在于:

  • 导通电阻低20%以上,损耗降低30%;
  • 栅极电荷量低15%,开关速度提升;
  • 温度范围宽50℃(最高175℃),可靠性更高。

综上,UMW AO4826是一款针对中小功率场景优化的MOSFET,以低损耗、快开关、宽温可靠性为核心,适用于便携式设备、电机驱动、电源管理等多领域,是高密度PCB设计的理想选择。

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