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TI TL431AIDBZR
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- TI(Texas Instruments) TL431AIDBZR
- 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
- TL431AIDBZR
- Electronic Component
- 1
- Package
- SOT-23-3
- Electronic Component
- Voltage Reference IC
- Electronic Component
- ±1%
- Electronic Component
- 0.05g
- Electronic Component
- 1
- Electronic Component
- BM0000000123
- Operating Temperature
- 40℃~+85℃
- Output Voltage
- 2.495V~36V
- Output Current
- 100mA
- Output Type
- Electronic Component
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TL431AIDBZR 产品概述
1. 引言
TL431AIDBZR是德州仪器(TI)推出的一款可调式电压基准芯片，广泛应用于线性电源和开关电源的反馈环路、过压保护电路、精密电压参考源等领域。它结合了高精度、简单易用和较大的输出电压范围，成为设计中常用的电压基准解决方案。
2. 基本参数
TL431系列可调基准电压的输出范围从2.495V至36V，最高电流输出可达100mA，适合大多数应用场景。其电流-阴极为700µA，工作温度范围从-40°C到85°C，确保在不同环境条件下都能稳定工作。此外，TL431的输出电压容差为±1%，使得其在高精度应用中表现优异。
3. 结构特点
TL431的外形封装为SOT-23-3（也称为TO-236-3或SC-59），适合表面贴装印刷电路板(PCBA)。该封装结构小巧，能够满足现代电子设备对空间的严格要求，同时也便于在大规模生产中实现高密度的器件布置。
4. 应用场景
由于TL431提供较广的输出电压和电流范围，能够满足各种需求，它在多个领域有着广泛的应用：
- 开关电源：在开关电源中，TL431可以用作反馈控制元件，确保输出电压稳定，提升整机的效率。
- 线性电源：作为线性电源中的参考电压源，TL431能够提供准确可靠的电压基准。
- 过压保护电路：通过TL431的高精度电压监控，系统设计可以在输出电压异常时进行自动保护。
- ADC参考电压：在模数转换器（ADC）应用中，TL431充当精密参考电压源，以提高转换精度。
5. 工作原理
TL431使用一个内部运算放大器和一个可调电阻网络实现输出电压的调节。设计者可通过外部电阻配置设置所需的输出电压，从而实现灵活多变的电压需求。同时，该芯片具有低噪声、高频响应特性，能够有效降低输出电压的波动，保证电源的稳定性。
6. 设计优点
- 高精度：TL431的电压输出准确，不仅为电路提供了稳定的参考电压，且在温度变化、负载波动时，性能依然稳定。
- 节省空间：小型的SOT-23封装设计使其能够被广泛应用于各种限制空间的设计中，适合消费电子、通信设备及工业控制等多种应用。
- 容易集成：其简单的功能和小巧的封装极易与其他元件进行集成，使得电路设计变得更加简便高效。
7. 结论
TL431AIDBZR是一款功能强大的可调式电压基准芯片，凭借其优越的性能和灵活的应用场景，已经成为现代电子设计中不可或缺的元器件之一。在保障系统电压稳定性方面，它展现出了高精度与良好的可靠性，是电源管理方案中的理想选择。
无论您的项目涉及何种类型的电源，选择TL431AIDBZR都将为您的设计提供一个稳定且高效的电压参考，助力高品质产品的开发与实现。
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