WMSIC Electronic Components

GOODWORK AO3415

ModelAO3415
PackageSOT-23
BrandGOODWORK
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GOODWORK AO3415
Type
GOODWORK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
AO3415
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0264757991
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.2W
Gate Voltage(Vgs)
±12V
Electronic Component
Electronic Component
Electronic Component
3000

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

AO3415 产品概述

一、产品简介

AO3415 为 GOODWORK(固得沃克)推出的一款 P 沟道场效应管(P-MOSFET),采用经常用于便携与功率控制电路的 SOT-23 封装。器件针对 20V 额定漏源电压与中等电流应用进行优化,单片器件适合用作高侧开关、反向导通控制和电源隔离等场景。

二、主要电气参数

  • 类型:P沟道 MOSFET(SOT-23)
  • 漏源电压 Vdss:20V
  • 连续漏极电流 Id:4A
  • 导通电阻 RDS(on):45mΩ @ Vgs = 4.5V
  • 耗散功率 Pd:1.2W(注意依板上散热条件变化)
  • 阈值电压 Vgs(th):1.2V
  • 栅极电荷 Qg:17.2nC @ 4.5V
  • 输入电容 Ciss:1.45nF
  • 输出电容 Coss:205pF
  • 反向传输电容 Crss:160pF
  • 栅极最大电压 Vgs:±12V
  • 工作温度范围:-55℃ ~ +150℃

三、器件特性与优势

  • 低导通电阻:45mΩ 在 Vgs=4.5V 条件下能提供较低导通损耗,适合中小电流高侧开关设计。
  • 适合低压驱动:阈值电压约 1.2V,结合较低的门极电荷(17.2nC),在常见 3.3V/5V 控制电平下易于驱动。
  • 小尺寸封装:SOT-23 有利于空间受限的便携设备和模块化电源设计。
  • 宽温度范围:-55℃~+150℃,适用于工业级和车规边缘应用(具体可靠性需参考厂家完整规格书)。

四、典型应用场景

  • 电池电源路径选择与反向电流阻断(高侧开关)
  • 便携设备电源管理与负载开关
  • 低压电源隔离与软启动电路
  • DC-DC 转换器的同步或辅助开关(视电路拓扑)
  • 通用信号/电源切换场合

五、设计注意事项

  • 驱动电平:P 沟道器件的 Vgs = Vg - Vs,应确保在开通时 Vgs 达到约 -4.5V(相对于源),以获得标称 RDS(on)。在高侧使用时需设计合适的门极拉低电路或驱动器。
  • 功耗与散热:器件 Pd 标称 1.2W,但实际耗散能力强烈依赖 PCB 铜箔面积与环境温度,建议在高电流或长导通时间场合增加散热铜箔并进行温升验证。
  • 开关损耗:Qg=17.2nC 与 Ciss=1.45nF 表明在高频开关时门极损耗和过渡损耗不可忽视;开关频率越高,对驱动能力要求越高,门极驱动功耗 Pg ≈ Qg * Vdrive * f。
  • Vgs 限值:绝对最大栅极电压为 ±12V,避免超出以防击穿或可靠性下降。

六、布局与验证建议

  • 在 PCB 布局时,将 MOSFET 的热敏元件紧邻大面积散热铜,优先增大源极/漏极的散热路径。
  • 栅极附近放置合适的阻尼电阻(如 10Ω~100Ω)可抑制振铃并降低 EMI。
  • 在靠近开关节点布置回流电容与旁路电容以降低过渡电压尖峰。
  • 原型验证包括导通压降、温升曲线、开关波形与系统级效率测试。

七、总结

AO3415(GOODWORK,SOT-23)是一款面向 20V 以内高侧控制和电源管理场合的 P 沟道 MOSFET,结合 45mΩ 的低导通阻抗、较低的栅极电荷与紧凑封装,适合移动设备、电源开关和保护电路。为确保可靠运行,设计时需重视驱动电压、散热设计与开关损耗评估;在实际应用前请参考厂家完整数据手册以获取更详细的绝对最大额定值与典型特性曲线。

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