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TI LM431BIM3X/NOPB LM431BIM3X
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- TI(Texas Instruments) LM431BIM3X / NOPB
- Type
- TI
- Unit
- Electronic Component
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- TI(Texas Instruments)
- Electronic Component
- LM431BIM3X/NOPB
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Voltage Reference IC
- Electronic Component
- ±1%
- Electronic Component
- 0.05g
- Electronic Component
- 1
- Features
- Electronic Component
- Electronic Component
- BM0000001801
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 2.5V~37V
- Electronic Component
- 50ppm/℃
- Output Voltage
- 2.5V~36V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LM431BIM3X/NOPB 产品概述
概要
LM431BIM3X/NOPB 是由德州仪器（Texas Instruments）制造的一款高精度可调电压基准芯片。其设计旨在提供额定输出电压范围为 2.495V 到 37V 的电源解决方案，并能够支持高达 100mA 的输出电流。该器件采用 SOT-23-3 封装，适合表面贴装，应用广泛于各种电子产品中，需要稳定和可调电压输出的场合。
主要特点
可调输出电压：LM431 支持用户根据设计需求灵活配置输出电压，范围从最低 2.495V 直至最大 37V。这使得该器件非常适合用作电源管理中的电压调整，提供了灵活性以适配不同电路的需求。
高输出电流能力：芯片可以提供最高 100mA 的输出电流，满足了对电流相对较高的应用场景，如线性调节器和电源模块等。
优异的精度与温度稳定性：LM431 的输出电压容差为 ±1%，在使用中能够保持较高的输出精度。此外，其具有标准 50ppm/°C 的温度系数，确保在不同工作环境下的电压调节性能稳定，适用于温度变化较大的应用场景。
多种工作温度范围：工作温度范围在 -40°C 到 85°C 之间，使其能够在各种环境条件下正常运行，适合用于汽车、工业及消费电子领域。
小型化封装：采用 SOT-23-3 的表面贴装型封装方案，极大地降低了电路板的占用空间，便于在空间受限的应用中设计与整合。
应用场景
LM431BIM3X/NOPB 可广泛应用于以下场景：
- 电源管理：能够提供稳定的参考电压，适用于交流/直流电源转换电路，为电源适配器和开关电源提供支持。
- 线性调节器：用作线性稳压器的参考电压源，满足各类设备对稳定电压的需求。
- 电流源：在需要提供稳定电流的应用中，如传感器模块、LED驱动等领域表现优异。
- 温度传感器：结合温度传感器的输出，能够帮助实现更加智能的温度控制系统。
设计考虑
在设计使用 LM431BIM3X/NOPB 的电路时，开发者需要注意以下几点：
- 外部元件选择：对于设定的输出电压值，外部电阻的选择非常关键。设计者必须根据所需的电压和电流要求精确匹配反馈电阻。
- 散热设计：虽然该器件的输出电流能力为 100mA，但在高工作电流条件下，会产生热量，因此合理的散热设计是确保其正常工作的关键。
- PCB布局：选择合适的印刷电路板（PCB）布局，可以降低噪声干扰，提高稳定性。通过将引脚布局与输出和反馈电路相匹配，能够有效减少环路噪声，提高整体性能。
结论
LM431BIM3X/NOPB 是一款功能强大且灵活的可调电压基准芯片，凭借其高精度、高输出电流及宽广的工作温度范围，成为众多电子产品设计中不可或缺的组成部分。无论是在工业、汽车还是消费电子领域，该器件都能够有效满足现代电源管理和信号调节的多重需求。
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