WMSIC Electronic Components

AOS AOZ1282CI-2

ModelAOZ1282CI-2
PackageSOT-23-6
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 Option 58691

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
AOS AOZ1282CI-2
Type
AOS
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
AOS
Electronic Component
AOZ1282CI-2
Electronic Component
1
Package
SOT-23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.058g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0231132374
Operating Temperature
40℃~+85℃
Operating Voltage
4.5V~36V
Switching Frequency
1MHz
Electronic Component
Electronic Component
Output Voltage
800mV~30.6V

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

AOZ1282CI-2 产品概述

一、概述

AOZ1282CI-2 是 AOS 公司面向中低功率系统的降压型 DC-DC 开关稳压器,采用降压拓扑并内置开关管,支持单通道可调输出。器件工作电压范围宽(4.5V 至 36V),输出电压可调范围约 0.8V 至 30.6V,连续输出电流可达 600mA,工作开关频率约 1MHz,静态电流典型值约 1mA,工作温度范围 -40°C 至 +85°C,封装为 SOT-23-6,便于体积受限应用的系统设计。

二、主要特性

  • 输入电压:4.5V ~ 36V(适配汽车、工业总线及宽输入工况)
  • 输出电压:可调,参考基准约 0.8V,最大可至 30.6V
  • 最大连续输出电流:600mA(取决于散热与外围元件)
  • 开关频率:典型 1MHz,利于使用小尺寸电感与滤波器
  • 静态电流:约 1mA,适合需要低静耗的应用
  • 内置功率开关,SOT-23-6 封装,单通道设计
  • 审慎的热设计与 PCB 布局可提升持续输出能力

三、典型应用

  • 汽车电子(仪表、辅助电源,需注意电磁兼容与浪涌)
  • 工业控制与传感节点(24V 总线降压)
  • 通信/消费类便携设备的电源管理
  • 电池供电系统中间总线或点式供电

四、设计要点与建议

  • 输出电压设定:采用反馈电阻分压,基准电压约为 0.8V,输出电压 VOUT ≈ VREF * (1 + Rtop/Rbot)。选择精密电阻以保证精度。
  • 电感选择:建议选用直流电流额定值 ≥ 1.5× 输出电流的型号,饱和电流高于峰值电流,直流电阻尽可能小以降低损耗。
  • 输入/输出电容:优先使用低 ESR 陶瓷电容(X7R/X5R),保证开关节点滤波与瞬态响应;在高输入电压或高纹波场合考虑并联电解或固态电容。
  • 布局建议:将 VIN、SW、CIN、COUT 与环路地短距离布线,减小开关环路面积;将敏感模拟/反馈节点远离开关噪声源;为器件 GND 提供良好散热路径。
  • 散热与封装:SOT-23-6 封装受限于热阻,若长期接近 600mA 输出需注意 PCB 铜箔散热与热过载保护。
  • 保护与可靠性:在系统中应配合熔断器、TVS 或输入滤波抑制浪涌;对输出短路/过流、过温条件做好测试与验证。

五、器件选择与替代

AOZ1282CI-2 适合要求窄输入范围到宽输入范围、体积受限且需中等电流的降压场合。若需更高效率、同步整流或更大电流等级,可考虑同类产品或封装更大、集成度更高的型号。

六、总结

AOZ1282CI-2 提供了在宽输入电压、紧凑封装下实现可调降压输出的实用方案。通过合理选择外围电感、电容和优化 PCB 布局,可在多种汽车与工业环境中实现稳定、低噪声的电源输出。购买与设计前建议参考厂商完整数据手册以确认引脚定义、典型应用电路与详细保护特性。

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