WMSIC Electronic Components

ST STL220N6F7

ModelSTL220N6F7
PackagePowerFLAT-5x6-8
BrandST
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 22+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ST(STMicroelectronics) STL220N6F7
Type
ST
Minimum package
3000

Technical parameters

Electronic Component
ST(STMicroelectronics)
Electronic Component
STL220N6F7
Electronic Component
1
Package
PowerFLAT-5x6-8
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.6g
Electronic Component
1
Electronic Component
BM0265109136
Operating Temperature
55℃~+175℃
Power Dissipation(Pd)
188W
Electronic Component
3000
Voltage(Vdss)
60V
Capacitor(Ciss)
6.5nF
Gate (Qg)
98nC@30V
Resistor(RDS(on))
1.4mΩ@10V

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

STL220N6F7 — 60V N沟场效应管产品概述

一、产品概述

STL220N6F7 是意法半导体推出的一款高性能 N 沟增强型功率 MOSFET,封装为 PowerFLAT-5x6-8(DFN-8,5x6mm),面向高电流、低损耗电源开关应用。器件在 60V 耐压下提供极低导通电阻和大持续电流能力,适用于中低压大电流场合。

二、主要参数

  • 类型:N 沟 MOSFET(增强型),数量:1 个
  • 漏源电压 Vdss:60 V
  • 连续漏极电流 Id:120 A
  • 导通电阻 RDS(on):1.4 mΩ @ Vgs=10 V
  • 耗散功率 Pd:188 W(良好散热条件下)
  • 阈值电压 Vgs(th):4 V(典型)
  • 栅极电荷 Qg:98 nC @ Vgs=30 V
  • 输入电容 Ciss:6.5 nF;反向传输电容 Crss:230 pF
  • 工作温度:-55 ℃ ~ +175 ℃
  • 封装:PowerFLAT-5x6-8(DFN-8,带底部散热焊盘)

三、特性与优势

  • 低 RDS(on)(1.4 mΩ@10V)带来极低的导通损耗,适合大电流路径,降低热耗和升温。
  • 高 Id(120A)和较大 Pd(188W)在配合充分散热板或多层 PCB 时可实现高功率处理能力。
  • 较大的 Ciss 与 Qg 表明器件适合中低频到中高频开关,但在高频应用需注意开关损耗与驱动能量。
  • PowerFLAT 小尺寸封装便于紧凑布局,同时底部金属焊盘利于热流向 PCB 导出。

四、驱动与开关注意

  • 推荐栅压 10V 以达成标称 RDS(on),但 Vgs(th)≈4V,故在 5V 逻辑电平下不能保证最低 RDS(on)。
  • Qg=98nC 意味着在高速切换时需要大电流驱动器(短上升下降时间),否则开关损耗增加。选择低阻抗、足够峰值电流的栅极驱动器并控制 dv/dt。
  • 设计时注意栅极回路最短化、加栅阻以抑制振荡以及在栅极与源之间加吸附电阻或 TVS(必要时)。

五、热设计与封装布局

  • 虽然 Pd 标称 188W,但实际取决于 PCB 散热面积与铜箔层,建议在底部焊盘下使用多通孔(via)与大面积散热铜箔连接至多层板内部散热层或散热片。
  • 举例:在 100A 条件下导通损耗约 I^2·RDS ≈ 14W(不含开关损耗),需合理计算温升并保证结温在允许范围内。
  • 推荐在高功率应用进行热仿真并留足安全裕量。

六、典型应用与选型建议

  • 同步整流/降压转换器(同步 Buck)、功率分配开关、直流电机驱动、负载开关与电源管理模块。
  • 若系统以 5V 栅极驱动为主,应优先考虑逻辑级 MOSFET;若使用 10–12V 驱动,STL220N6F7 在低损耗场合更合适。
  • 高频(>500kHz)或严苛开关损耗场景应评估 Qg 对驱动功率与热耗的影响,必要时选型时对比更低 Qg 或更低 Coss 的器件。

七、结论

STL220N6F7 以其 60V 耐压、极低 RDS(on) 和大电流能力,在中低压高电流电源和功率转换场景中具有良好性价比。合理的栅极驱动与 PCB 散热设计是发挥其性能的关键,设计时应综合导通损耗、开关损耗与热管理进行布局与驱动方案优化。如需更详细的 SOA、脉冲特性与封装机械图,请参考 ST 官方详细数据手册。

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