WMSIC Electronic Components

AOS AON2260

ModelAON2260
PackageDFN2x2B-6L
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 AON2260
Type
AOS
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
AOS
Electronic Component
AON2260
Electronic Component
1
Package
DFN2x2B-6L
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.053g
Electronic Component
1
Electronic Component
BM0035902028
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
2.8W
Electronic Component
Electronic Component
Electronic Component
3000
Voltage(Vdss)
60V
Capacitor(Ciss)
426pF

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

AON2260 产品概述

一、器件简介

AON2260 是 AOS(台半)推出的一款小封装 N 沟道增强型功率 MOSFET,耐压等级 60V,额定导通电流可达 6A(封装和散热条件依赖)。该器件采用紧凑的 DFN2x2B-6L(DFN-6 2x2mm)封装,针对高密度、严格面积限制的电源管理和开关应用进行了优化。典型应用包括同步整流、降压转换器、负载开关和通用功率开关场合。

二、主要电气参数(关键参数)

  • 漏源电压(Vdss):60 V
  • 导通电阻(RDS(on)):44 mΩ @ Vgs = 10 V
  • 阈值电压(Vgs(th)):2.5 V @ Id = 250 μA
  • 漏极电流(典型/封装额定):6 A(与PCB散热和环境温度相关)
  • 总栅极电荷(Qg):12 nC @ Vgs = 10 V
  • 输入电容(Ciss):426 pF
  • 输出电容(Coss):50 pF
  • 反向传输电容(Crss / Crss):5 pF
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 功耗/封装热能力:标称 2.8 W(应参考实际PCB热设计)

以上参数中,RDS(on) 标定在 Vgs = 10 V 条件下,低 RDS(on) 有利于降低导通损耗;而较低的 Coss/Crss 有助于减小开关损耗和米勒效应影响。

三、性能与优势

  • 低导通电阻:44 mΩ(10 V 驱动)在中低电流场合可显著降低导通损耗,提高效率。
  • 低栅极电荷:12 nC 的 Qg 表明在高频开关(数百 kHz)应用中,栅驱功耗较小,驱动器负担轻。举例:在 Vgs=10 V 时,单次充放电的栅极能量约为 0.5 * Qg * Vgs = 60 nJ,500 kHz 时栅驱损耗约 30 mW。
  • 小的 Coss 与 Crss:50 pF / 5 pF 的输出与反向传输电容,有利于快速开关并降低米勒引起的开关退化。
  • 紧凑封装:DFN2x2B-6L 提供 2x2 mm 的小占位面积,适合空间受限的板级电源设计,并有助于缩短走线与降低寄生感抗。
  • 宽温度范围:-55 ℃ ~ +150 ℃,适应工业级环境。

四、典型应用场景

  • 同步整流(Buck 转换器的低侧 MOSFET)
  • DC-DC 降压模块和点对点电源
  • 电池管理与电源路径切换(电源开关/反向保护)
  • 便携式设备和消费类电子的电源开关
  • 小型驱动与功率管理电路

五、设计与使用建议

  • 驱动电压:RDS(on) 以 Vgs = 10 V 标定,若使用 10 V 栅源电压可获得最佳导通损耗;在 4.5 V 或 5 V 驱动下需参考厂商的 RDS(on) vs Vgs 曲线判断实际导通电阻与功耗。阈值电压 2.5 V 表明在低电压逻辑驱动下可能处于接近阈值区域,不能保证低 RDS(on)。
  • PCB 散热:DFN2x2 小封装热阻相对较高,需在焊盘下方布置大面积铜箔和多盏过孔(热通孔)以增大散热路径;根据实际功耗估算结温并保证在器件允许范围内。
  • 开关特性优化:较低的 Coss/Crss 和 Qg 有利于高速开关,但仍需适当的门极阻抗与阻尼来抑制振铃和过冲,避免 EMI 问题。
  • ESD 与搬运:作为功率 MOSFET,栅极对静电敏感。在制造和装配过程中注意静电防护(ESD)及湿敏处理(若适用)。
  • 焊接工艺:推荐遵循 JEDEC / 厂商给出的回流焊温度曲线与工艺规范,避免超过最大回流温度/时长造成封装应力或引脚变形。

六、选型注意事项

  • 若系统以 10 V 驱动栅极、对效率要求高且空间受限,AON2260 提供很好的平衡;若只能使用 5 V 或更低驱动,则需评估 RDS(on) 在低 Vgs 下的变化,或选择“逻辑电平”型 MOSFET。
  • 若持续电流、散热或瞬态电流较大,应基于 PCB 散热条件和封装热阻重新评估实际可通过电流,并考虑并联或使用更大封装器件。

总之,AON2260 在 60 V 等级下以低 RDS(on)、低栅极电荷和小体积封装为特点,适合高密度电源管理和中小功率开关应用。设计时应结合驱动电压与 PCB 热设计对器件性能进行充分评估。

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