WMSIC Electronic Components

WINSOK WSD30L30DN33

ModelWSD30L30DN33
PackageWDFN-8(3.3x3.3)
BrandWINSOK
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
WINSOK WSD30L30DN33
Type
WINSOK
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WINSOK
Electronic Component
WSD30L30DN33
Electronic Component
1
Package
WDFN-8(3.3x3.3)
Electronic Component
1 P
Type
P
Electronic Component
MOSFET
Electronic Component
0.156g
Electronic Component
1
Electronic Component
BM0264549100
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
29.8W
Electronic Component
Electronic Component
Electronic Component
5000
Voltage(Vdss)
30V

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

WSD30L30DN33 产品概述

一、产品简介

WSD30L30DN33 是 WINSOK(微硕)推出的一款高性能 P 沟道功率 MOSFET,额定 VDS = -30V,额定连续漏极电流 |ID| = 32A(器件为 P 沟道,电压、电流通常以负值表示其极性)。该器件采用紧凑型 WDFN-8 (3.3 × 3.3 mm) 封装,适用于需要高电流、高速开关及低导通损耗的高边开关、负载保护和电源管理场景。

二、主要性能参数

  • 漏源耐压(VDS): -30 V(最大)
  • 连续漏极电流(ID): 32 A(器件极限、需在合适散热条件下使用)
  • 导通电阻(RDS(on)): 典型 15 mΩ @ VGS = -4.5 V;在约 VGS ≈ -4.2 V 条件下量测值可达 24 mΩ(见器件说明)
  • 总耗散功率(Pd): 29.8 W(参考,具体受 PCB 散热影响)
  • 阈值电压(VGS(th)): 典型 |VGS(th)| ≈ 1.3 V,最大值约 1.8 V(以器件数据表为准)
  • 允许栅—源电压(|VGS|): 20 V(绝对最大额定)

三、关键电气特性

  • 栅极电荷(Qg): 24 nC @ VGS = 4.5 V(典型),其中 Qgs ≈ 1.1 nC,Qgd ≈ 7.7 nC(分配信息有助于估算驱动能量与开关损耗)
  • 输入电容(Ciss): ≈ 1000 pF(1 nF)
  • 输出电容(Coss): ≈ 220 pF
  • 反向传输电容(Crss / Crss): ≈ 170 pF
    这些电容与电荷参数决定了器件的开关速度与驱动需求:Qg 较大时需要更强的栅极驱动能力以实现快速切换并控制开关损耗。

四、封装与热管理

  • 封装: WDFN-8 (3.3 × 3.3 mm),带底部散热垫
  • 工作温度范围: -55 ℃ ~ +150 ℃
  • 熔散能力及导热性能强烈依赖 PCB 版面和铜箔散热设计。建议在焊盘下和顶面/底面增加散热铜区域,并使用过孔导通至散热层以降低结到环境热阻。器件的 Pd 标称值在实际应用中需结合 PCB 热阻和环境温度重新计算允许的持续电流。

五、典型应用场景

  • 电池供电系统的高边开关(便于用单极驱动实现断开/接通)
  • 便携设备电源管理:电源轨选择、负载开关、背光或主板电源控制
  • DC-DC 变换器中高边 MOSFET(当采用 P 沟道用于某些拓扑可简化驱动)
  • 逆向保护、热插拔及过流保护电路

六、使用建议与注意事项

  • 驱动:为充分降 RDS(on) 并降低导通损耗,建议 VGS 驱动达到约 -4.5 V(器件在该电压下表现最佳)。Qg = 24 nC 表明开关时驱动器需具备相应的瞬时电流能力以控制上升/下降时间和开关损耗。
  • 保护:注意 |VGS| ≤ 20 V 的限制,防止过压损坏栅极。开关瞬态时应考虑吸收或限流以避免栅极过压或振铃。
  • 布局:短且粗的栅极走线以减少寄生电感;大散热铜块和多层过孔用于降温。若用于高频开关应用,须平衡开关速度与 EMI/振铃,通过 RC 或 TVS 进行必要抑制。
  • 参数核对:文中列举为典型/参考值,最终设计请以厂家正式数据手册为准,特别注意不同测试条件下 RDS(on)、Qg 等值的差异。

七、总结

WSD30L30DN33 结合低导通电阻、较高电流承载能力与紧凑封装,适合空间受限但需高效高边开关的场合。设计时重点关注栅极驱动能力、PCB 散热设计和瞬态保护,可在移动电源管理、电池保护和电源开关等应用中发挥优势。若需详细热阻或典型开关波形等信息,请参考 WINSOK 官方数据手册或联系供应商获取完整测试条件与曲线。

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