WMSIC Electronic Components

KUU AO3415

ModelAO3415
PackageSOT-23
BrandKUU
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
KUU AO3415
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
AO3415
Electronic Component
1
Package
SOT-23
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
1g
Electronic Component
1
Electronic Component
BM0231142805
Gate Voltage(Vgs)
±12V
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V
Capacitor(Ciss)
1.18nF

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

AO3415 是一款面向便携式电源管理与小功率高侧开关的 P 沟道 MOSFET,采用 SOT-23 小封装,适合对尺寸、开关损耗和驱动电荷有综合要求的消费类与工业应用。芯片在典型工况下可提供良好的导通能力与较低的栅极驱动要求,便于与低电压逻辑或简单被动栅极驱动电路配合使用。

一、主要规格要点

  • 类型:P 沟道 MOSFET(单只)
  • 漏-源耐压 VDSS:20 V
  • 连续漏极电流 ID:5.6 A(封装和散热受限条件下的额定值)
  • 导通电阻 RDS(on):约 42 mΩ(|VGS|=4.5 V,ID=5 A)
  • 阈值电压 |VGS(th)|:约 0.62 V(测量条件 ID=250 μA)
  • 总栅极电荷 Qg:约 11 nC(在 |VGS|=4.5 V)
  • 输入电容 Ciss:约 1.18 nF(测量电压 10 V)
  • 反向传输电容 Crss:约 88 pF(测量电压 10 V)
  • 最大耗散功率 Pd:1.3 W(EN:与环境温度和 PCB 散热条件相关)
  • 工作结温范围:-55 ℃ ~ +150 ℃(Tj)
  • 封装:SOT-23
  • 品牌:KUU

二、核心性能与电气特性说明

AO3415 在中低电压高侧开关场景表现良好。较低的 RDS(on) 在 |VGS|=4.5 V 时可减少导通损耗,适用于 5 V 及以下的系统电源管理。阈值电压小(约 0.62 V)意味着栅极一旦有较小的差压便可开始导通,但完整降低 RDS(on) 仍需将栅极相对源极驱动到约 -4.5 V(P 沟道,取绝对值说明)。

栅极电荷 Qg=11 nC 与 Ciss=1.18 nF 指示开关过程中需要的驱动能量适中,若采用 MCU 或逻辑 IC 直接驱动,应关注驱动电流能力与切换损耗;对于快速开关或高频转换应考虑合适的栅阻以及驱动缓冲电路。

三、典型应用场景

  • 电池管理与负载开关(便携设备、移动电源)
  • 高侧护短、反接保护电路
  • 小功率 DC-DC 变换器中的预开关或同步开关
  • 音频设备、摄像头等对噪声与尺寸有要求的电源路径开关
  • 工业控制中低压回路的高侧断开

四、使用与布局建议

  • 作为 P 沟道高侧开关时,关闭状态令栅极接近源极电位(VGS≈0),开启则把栅极拉低(相对于源端)到约 -4.5 V 以获得低 RDS(on)。
  • 为控制开关速度并抑制振铃,建议在栅极串联 10–100 Ω 的栅极电阻;对感性负载加装 RC 吸收或 TVS 以限制 VDS 峰值。
  • SOT-23 封装散热受限,需在 PCB 上使用较大铜箔面积与热过孔改善散热,保证结温不超过规格上限以维持 Pd 性能。
  • 在设计中考虑栅极驱动电流:Qg=11 nC 意味着在 100 kHz 开关时,每次切换会产生可观的瞬态电流需求。

五、可靠性与包装

AO3415 在 -55 ℃ 至 +150 ℃ 工作结温范围内可适应大多数工业与消费场景。SOT-23 小封装利于紧凑布局,适合批量 SMT 生产。建议在高温或连续大电流工况下做热仿真并采用足够的 PCB 散热措施。

六、选型与实用建议

若目标是低压高侧开关、板上保护或电源路径管理,AO3415 在 20 V 等级中以低 RDS(on) 与中等栅极电荷提供了良好折中。选型时注意确认系统最高 Vds、持续电流与 PCB 散热能力,评估栅极驱动源能否提供所需的瞬态电流以实现期望的开关速度与损耗水平。

总结:AO3415(KUU,SOT-23)以其小体积、低导通阻抗和适中的驱动能量,适合用于便携电源管理与小功率高侧开关应用,设计时应重视栅极驱动与 PCB 散热以发挥其最佳性能。

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