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ADI/LINEAR MAX8881EUT33+T MAX8881EUT33
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ADI(Analog Devices) / LINEAR MAX8881EUT33+T
- Type
- ADI/LINEAR
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 200mV@(50mA)
- Electronic Component
- ADI(Analog Devices) / LINEAR
- Electronic Component
- 300uVrms
- Electronic Component
- MAX8881EUT33+T
- Electronic Component
- 1
- Package
- SOT-23-6
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.027g
- Electronic Component
- 1
- Features
- Voltage
- Electronic Component
- BM0264457663
- Operating Temperature
- 40℃~+85℃@(Ta)
- Operating Voltage
- 12V
- Output
- Electronic Component
- Output Voltage
- 3.3V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MAX8881EUT33+T 产品概述
一、产品简介
MAX8881EUT33+T 是一款高性能、低静态电流的线性低压差稳压器（LDO），为需要稳定 3.3V 电源的便携与工业应用提供可靠电源解决方案。器件支持宽输入电压范围，集成多重保护与控制功能，适合对尺寸、功耗与稳压精度有较高要求的系统。
二、主要规格亮点
- 输入电压范围：2.5V ～ 12V，适配多种电源拓扑。
- 输出电压：固定 3.3V。
- 输出电流能力：最高可达 500mA，日常设计负载稳定工作（建议按系统散热能力评估持续负载）。
- 低压差性能：轻载时（约50mA）压差仅约200mV，典型最大压差约350mV。
- 极低静态电流：Iq ≈ 3.5µA，适合电池供电或待机要求严格的场景。
- 低噪声：约 300µVrms，适合对噪声敏感的模拟前端或 RF 电路。
- 工作温度：-40℃ ～ +85℃（Ta）。
三、功能与保护特性
- 使能控制（EN）：可通过外部逻辑控制开关，便于电源管理与节能。
- 短路、过流保护：内部限流与自动恢复机制，防止负载短路或过载损害。
- 反极性电压保护：对输入反接具备保护，提升系统鲁棒性。
- 工作状态指示（Power-Good/状态引脚）：便于系统监控与上电序列控制。
- 热关断：过温时器件进入热保护，避免因散热不足引发损坏。
- 输入欠压保护（UVLO）：保证在输入不稳定时安全断开输出。
四、封装与引脚
- 封装类型：紧凑型 SOT-23 系列（常见 6 引脚封装），利于空间受限的 PCB 布局与自动化贴装。
五、典型应用场景
- 电池供电设备（可穿戴、手持终端、便携仪器）
- 工业控制与传感节点（对低噪声与稳压精度有要求）
- 通信与无线模块供电（3.3V 数字/模拟混合系统）
- 板内降压后一级稳压、MCU 与传感器供电
六、设计与布局建议
- 输出端需配合厂商推荐的低 ESR 电容（如陶瓷电容）以保证环路稳定，常用 2.2µF～10µF。
- 输入侧建议加短路回路旁路电容，抑制源阻抗带来的瞬态问题。
- 当以高电流工作时，注意 PCB 铜箔宽度与散热路径，避免热关断触发。
- EN 与状态引脚应通过合适上拉/下拉设计与滤波，避免误触发与抖动。
- 若系统对噪声极为敏感，可在输出加入小滤波网络或后级滤波器。
七、小结
MAX8881EUT33+T 以其宽输入范围、低静态电流、低噪声和齐全的保护功能，适合对尺寸与能耗有严格要求的中高性能应用。合理的外围电容与良好的 PCB 散热设计可确保器件在最大输出能力下稳定可靠地工作。若需进一步参数（如温度导出曲线、引脚图与典型应用电路），建议参考器件数据手册或联系供应商获取完整资料。
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