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MICROCHIP MIC5239YM-TR MIC5239YM
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
16
specifications
Core information
- Product name
- MICROCHIP MIC5239YM-TR
- Type
- MICROCHIP
- Unit
- Electronic Component
- Minimum package
- 2500 个
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- MICROCHIP
- Electronic Component
- MIC5239YM-TR
- Electronic Component
- 1
- Package
- SOIC-8
- Electronic Component
- Specialized Power Management(PMIC)
- Electronic Component
- 0.6g
- Electronic Component
- 1
- Electronic Component
- BM0265301473
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MIC5239YM-TR 产品概述
一、器件简介
MIC5239YM-TR 是 Microchip（美国微芯）推出的一款可调式低压差线性稳压器，输出为正向单路，可提供高达500 mA 的连续输出电流。器件输入电压最高可达 30 V，输出电压可调范围从基准电压 1.24 V 到 20 V，适合需要较大电压调整范围的电源解决方案。封装为常见的 8-SOIC 表面贴装型，便于中高密度 PCB 的工业化生产。
二、主要性能参数
- 输入电压（最大）：30 V
- 输出电压：可调，最小 1.24 V，最大 20 V
- 最大输出电流：500 mA
- 压降（典型）：0.35 V @ 500 mA（标准条件）
- 静态电流 Iq：45 µA（低静态电流，有利于待机功耗控制）
- 供电电流（最大）：15 mA（高负载或特殊工作条件下的最大值，请参见数据手册）
- 工作温度范围：-40 °C 至 125 °C
三、控制与保护功能
器件带有使能（EN）控制脚，可方便实现电源的软启动与远程开/关控制。内部集成多重保护机制，包括过流保护、过温保护、过压保护以及反极性保护，这些功能提高了系统的可靠性并在异常工况下保护负载与器件自身。
四、封装与可靠性
MIC5239YM-TR 采用 8-SOIC 封装（0.154" / 3.90 mm 宽），为表面贴装型，适合自动贴片制造流程。器件在工业级温度范围内工作，符合在苛刻环境下长期稳定运行的要求。封装与温度规格使其适用于工业、电信及汽车电子等场景（请结合具体认证与应用要求确认）。
五、典型应用场景
- 电池供电设备与便携式电子产品的主/辅助稳压
- 工业控制模块、传感器供电与数据采集前端稳压
- 点-of-load（POL）稳压源与后端线性后级滤波
- 对噪声与纹波敏感的模拟电路供电
六、设计注意事项
- 输出端需配置外部调整电阻网络以设定所需输出电压，具体阻值与容性负载要求请参考厂商数据手册。
- 虽然器件具有较低压降，但在高电流工作时仍需关注功耗与散热：P = (Vin - Vout) × Iout，必要时采用合适的 PCB 散热布局或散热片。
- 稳定性通常依赖外接输出电容的类型与等效串联电阻（ESR），请选择厂家推荐的电容方案以保证环路稳定。
- 使能脚的逻辑电平与时序应遵循数据手册建议，以避免产生不稳定输出或瞬态电流冲击。
- 在高输入电压与高负载条件下，应验证器件的热限与保护触发点，确保长期可靠性。
七、采购与资料
MIC5239YM-TR 为 Microchip 标准器件型号，常见供货形式为卷带式（TR）。在选型与采购前建议下载并参阅官方数据手册，确认引脚图、典型应用电路、外部元件推荐以及温度/功率限制等详细参数，以便在具体设计中确保性能与可靠性达标。
如需快速评估或设计支持，可提供典型接线建议与热管理方案，帮助在目标系统中实现稳定、低噪声的电源输出。
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