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CBI(创基) 78L05
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
17
specifications
Core information
- Product name
- CBI 78L05
- Type
- CBI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CBI
- Electronic Component
- 78L05
- Electronic Component
- 1
- Package
- SOT23
- Electronic Component
- Transistor(BJT)
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Electronic Component
- BM0221031610
- Operating Temperature
- 0℃~+125℃
- Power Dissipation(Pd)
- 350mW
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
- Collector Current(Ic)
- 100mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
78L05 产品概述
一、简介
78L05是一款常用的线性稳压器，属于78系列线性稳压器中的一员，专为中低功率应用设计。它的主要功能是将输入直流电压（通常为较高电压）转换为稳定的输出电压（在这个例子中为5V），并能够提供适当的电流供应，以满足各种电子设备的工作需求。78L05的封装形式为SOT-23，这种紧凑的封装使其适合空间有限且需要高效率的应用环境。
二、主要特点
输出电压：78L05输出电压为5V，适配各种标准5V逻辑电压的电路。
输出电流：它能够提供的最大输出电流通常为100mA，适合低功耗设备，如传感器、单片机、LED驱动等。
低静态电流：78L05在无负载条件下的静态电流较低，这有助于提高整体系统的能效，特别是对于移动设备或便携设备尤为重要。
较宽的输入电压范围：输入电压范围通常为7V到20V。这使得78L05具有良好的兼容性，能够接受多种电源输入，给设计师留有较大的灵活性。
短路保护和过热保护：78L05内部集成了短路和过热保护功能，这不仅延长了器件的使用寿命，同时也防止了过载引起的潜在损坏。
简单的外围电路：使用78L05进行电压稳压时，仅需几个外部电容器以提高稳压效率，简化了电路设计。
三、应用场景
78L05广泛应用于需要稳定5V电源的电子设备，如：
通信设备：在手机、无线电收发器等设备中，78L05可用于提供稳定的电源，确保信号处理的精确性。
微控制器模块：许多基于5V逻辑的单片机及其扩展模块，能够依赖78L05提供高效稳定的电源。
传感器：需要5V工作电压的各种传感器（如温度、湿度传感器）常使用78L05作为电源供给。
LED驱动电路：在一些低功耗LED应用中，可以采用78L05为LED提供持续稳定的电压，避免因电压波动而引起的亮度不稳定。
工业控制：748L05可用于工业设备中的控制电路，为各种控制器和监测设备提供有效的电源保障。
家庭自动化设备：随着智能家居设备的发展，78L05可以在各种智能传感器和控制模块中找到身影。
四、典型应用电路
在使用78L05的典型电路中，可以看到其简单的外部组件配置：
输入电容：通常在输入端并联一只10μF的电容，以滤除输入电源中的高频噪声。
输出电容：在输出端并联一只10μF的电容，以提高系统稳定性和响应速度。
接地：78L05的接地引脚需连接到公共地，以确保电源的稳定性。
以上设计示例可以根据应用需求的不同进行调整和优化。
五、结论
78L05作为一款成熟且可靠的线性稳压器，广泛应用于各种电子设备中。在设计电源电路时，尽管市场上存在多种类型的稳压器可供选择，但78L05因其简单易用、稳定可靠的特性，依然是许多工程师的首选。尤其是在对空间和功耗有严格要求的场景中，78L05将为设计师提供高效、稳健的解决方案。
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