WMSIC Electronic Components

VBsemi AP2306N-VB AP2306N

ModelAP2306N-VB
PackageSOT-23(TO-236)
BrandVBSEMI
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
VBsemi AP2306N-VB
Type
VBSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VBSEMI
Electronic Component
AP2306N-VB
Electronic Component
1
Package
SOT-23(TO-236)
Electronic Component
1 N
Type
N
Electronic Component
MOSFET
Electronic Component
0.046g
Electronic Component
1
Electronic Component
BM0227514261
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.25W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
20V

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

AP2306N-VB 产品概述

一、产品简介

AP2306N‑VB 是 VBsemi(微碧半导体)推出的一款逻辑电平 N 沟增强型 MOSFET,封装为 SOT‑23(TO‑236),针对开关和功率控制场合优化。其漏源耐压 20V、低导通电阻与较低栅极电荷,使其适用于便携式电源、低压逆变/整流、电机驱动小功率段和通用开关负载。

二、主要规格(典型)

  • 类型:N 沟道 MOSFET(增强型)
  • 漏源电压 Vdss:20 V
  • 连续漏极电流 Id:6 A
  • 导通电阻 RDS(on):22 mΩ @ Vgs = 4.5 V
  • 最大耗散功率 Pd:1.25 W(封装相关,实际热性能依 PCB 散热)
  • 阈值电压 Vgs(th):1 V @ Id = 250 μA
  • 栅极电荷 Qg:8.8 nC @ Vgs = 4.5 V
  • 输入电容 Ciss:865 pF;输出电容 Coss:105 pF;反向传输电容 Crss:55 pF
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 封装:SOT‑23(TO‑236)

三、特性亮点

  • 低 RDS(on)(22 mΩ@4.5V):在 4.5V 驱动下导通损耗小,适合用作低压开关。
  • 逻辑电平驱动:门槛低(Vgs(th) ≈1V),易被 MCU 或低压驱动器直接控制(建议以 4.5V 驱动以获得低 RDS(on))。
  • 较小的栅极电荷(8.8 nC):开关转换损耗较低,对驱动功率要求适中。
  • 小尺寸 SOT‑23:适合空间受限的应用。

四、典型应用场景

  • 便携设备中的低侧开关或负载开关(开关电源、电池保护)
  • DC–DC 降压转换器中的同步整流或开关管(注意封装热限)
  • 小功率电机驱动、继电器驱动、LED 驱动开关
  • 通用开关与保护电路

五、热管理与封装注意事项

SOT‑23 封装的额定耗散功率 Pd = 1.25 W(通常在特定 PCB 和环境温度条件下测定)。虽然器件标称持续电流可达 6 A,但在实际应用中需按下列方法评估与限制:

  • 计算导通损耗:P = I^2 × RDS(on)。例如 3A 时 P ≈ 0.198 W(忽略温度上升对 RDS(on) 的影响)。
  • 考虑开关损耗与频繁开关时的 Coss/Crss 引起的能量损失。
  • 通过加大铜箔面积、增加散热铺铜与过孔来提高散热,必要时降低连续电流规格。

六、选型与设计建议

  • 驱动电压:为获得最低导通电阻,推荐使用 4.5V 驱动;若仅 3.3V 驱动,需验证 RDS(on) 变化和功耗。
  • 栅极驱动与布局:由于 Ciss 较大,开关时需提供足够的峰值电流以快速充放电栅极,建议在驱动端串联小阻(10–100Ω)抑制振铃并限制峰流。
  • 抗干扰与保护:考虑在敏感应用中并联 TVS、RC 吸收或二极管保护以抑制复位尖峰;在高 dV/dt 场合注意 Crss 导致误触发。
  • ESD 与存储:作为 MOSFET,应遵循防静电操作,参考供应商资料核实湿敏等级(MSL)及回流焊工艺要求。

七、结论

AP2306N‑VB 在 SOT‑23 小封装中提供了良好的导通性能与适中的栅极电荷,适合空间受限且要求低压驱动的开关应用。设计时应重视封装热散与驱动电路匹配,合理的 PCB 散热和栅极控制对发挥器件性能并保证可靠性至关重要。若需完整电气特性曲线、典型开关损耗图与封装尺寸,请参阅 VBsemi 官方数据手册。

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