WMSIC Electronic Components

AOS AOD2N60

ModelAOD2N60
PackageTO-252,(D-Pak)
BrandAOS
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
AOS AOD2N60
Type
AOS
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
AOS
Electronic Component
AOD2N60
Electronic Component
1
Package
TO-252,(D-Pak)
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.488g
Electronic Component
1
Electronic Component
BM0258752275
Operating Temperature
50℃~+150℃
Power Dissipation(Pd)
56.8W
Electronic Component
Electronic Component
Electronic Component
2500
Voltage(Vdss)
600V
Capacitor(Ciss)
325pF

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

AOD2N60 产品概述

一、产品简介

AOD2N60 是 AOS(台安)生产的一款高压 N 沟道功率 MOSFET,单只器件适用于 600V 等级的电压场合,器件标称耗散功率 56.8W,连续漏极电流 2A,封装为表面贴装的 TO‑252 (DPAK)。其主要面向中低电流、高耐压的开关应用场景,如小功率离线开关电源的主开关、LED 驱动及其他高压开关电路中对体积、成本和封装方便性的需求。

二、电气参数要点

  • 漏源耐压:Vdss = 600V,适合高压工况。
  • 连续漏极电流:Id = 2A(封装和散热条件限制下)。
  • 导通电阻:RDS(on) = 4.4Ω @ Vgs = 10V。该 RDS(on) 值相对较高,器件更适合低或瞬态的大电压开关,而非长期承载大电流的功率路径。
    • 举例导通损耗:Id = 1A 时 Pd(on) ≈ 1^2 * 4.4 = 4.4W;Id = 2A 时 Pd(on) ≈ 2^2 * 4.4 = 17.6W,设计时需留意结温上升与散热能力。
  • 阈值电压:Vgs(th) = 4.5V(典型或测试点),门限较高,器件并非逻辑电平型,建议门极驱动电压采用 10V 左右以确保良好导通。
  • 栅极电荷:Qg = 11nC @ 10V,属于中等栅极电荷量。
    • 栅极驱动损耗估算:P_gate = Qg * Vdrive * f。若 Vdrive = 10V、开关频率 f = 100kHz,则 P_gate ≈ 11nC * 10V * 100kHz = 11mW(仅门极驱动损耗估算)。
  • 输入/反向电容:Ciss = 325pF,Crss = 3.4pF。较小的 Crss 有利于降低米勒效应、改善开关性能;Ciss 中等,影响开关速度与门极驱动能量。
  • 工作温度范围:-50 ℃ ~ +150 ℃,满足大温度范围要求。

三、封装与热管理

  • 封装:TO‑252 (DPAK),表面贴装,适合自动化生产。封装有一定的热阻,器件的标称耗散功率 56.8W 需在指定的热阻条件(通常为良好散热、接触冷却或大铜箔散热)下才能达到。实际 PCB 应用中建议:
    • 在器件底部和散热引脚处使用大面积的铜箔(接地或散热层),并与底层连通的过孔以增强散热。
    • 必要时在靠近封装的底层做散热填铜并连接至外壳散热结构。
    • 设计时按照结—壳、壳—环境热阻及结温上限(150℃)做功率热仿真与热降额。

四、驱动与开关性能

  • 由于 Vgs(th) 较高,建议门极驱动采用 10V(或 10–12V)电平以获得标称 RDS(on) 指标;5V 驱动可能不能充分打开器件,导通损耗显著增加。
  • Qg = 11nC 意味着中等的驱动能力需求,驱动器要能提供瞬时电流以在期望的上升/下降时间内充放电栅极电荷。为控制振铃与过冲,通常在门极串联 10–47Ω 阻值的限流/阻尼电阻。
  • 小的 Crss(3.4pF)有利于降低开关过程的米勒电容影响,使 dv/dt 对门极的干扰减小,整体利于较快的开关速度与较低的栅极驱动耦合损耗。

五、典型应用场景

  • 小功率离线开关电源(如几十瓦及以下的反激或半桥前级主开关)。
  • 高压脉冲开关、保护电路或作为串联高压开关单元的组成器件。
  • LED 高压驱动、电子镇流器等需要高耐压但电流不大的场合。
  • 注意:由于 RDS(on) 较大,不适合用作需要低压降、大电流的同步整流或高效率大电流开关。

六、布局与使用建议

  • 门极走线应尽量短,靠近驱动器放置,避免与高 dv/dt 的开关节点并行走线,必要时使用屏蔽或地层隔离。
  • 在驱动与栅极之间串联小阻值(10–47Ω)以抑制振荡并限制峰值充电电流;若电路对开关速度要求高,可适当减小阻值,但要留意振铃与 EMI。
  • 在 Vds 两端并联适当的 RC 吸收或 TVS,防止瞬态超过耐压或产生重复能量冲击(器件数据手册中关于耐冲击或雪崩能量应优先参考)。
  • PCB 采用宽铜箔和足够过孔连接多层散热,提高封装散热效率。
  • 做充分去耦,靠近器件放置驱动电源去耦电容,减小驱动回路的寄生电感。

七、可靠性与注意事项

  • 请参照厂商完整数据手册核实器件的绝对最大额定值、脉冲电流、雪崩能量(EAS)及热阻等关键参数。不要在超出热、浪涌或重复雪崩条件下使用器件。
  • 在高温或靠近最大结温的工况下应进行功率降额,确保长期可靠性。
  • 设计中尽量避免器件进入重复的非受控雪崩或高能软击穿模式,必要时增加缓冲、限流或保护电路。

总结:AOD2N60 为一款适合 600V 等级、低至中等电流的 N 沟道 MOSFET,适用于高压低电流的开关应用。设计时关键在于合理的栅极驱动、电路布局和热管理,以充分发挥器件耐压能力并控制导通与开关损耗。

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