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Siproin 78L05
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Siproin 78L05
- Type
- SIPROIN
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 2V@(100mA)
- Electronic Component
- SIPROIN
- Electronic Component
- 78L05
- Electronic Component
- 1
- Package
- SOT-89-3
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.15g
- Electronic Component
- 1
- Electronic Component
- BM0228537432
- Operating Temperature
- 25℃~+125℃
- Operating Voltage
- 30V
- Output
- Electronic Component
- Output Voltage
- 5V
- Output Current
- 100mA
- Output Type
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
产品概述：78L05 线性稳压器
一、产品简介
78L05系列线性稳压器是一种高度集成的电源管理组件，广泛用于电路设计中以提供稳定的5V输出电压，最大输出电流为100mA。78L05被广泛应用于各种电子产品中，尤其在对输出电压和电流有严格要求的场合，如音频设备、小型电源、控制系统和消费电子等。它的封装形式为SOT-89-3，这使得它在空间受限的设计中更加灵活易用。
二、基本参数
- 商品分类：线性稳压器（LDO）
- 最大输入电压：30V
- 输出电压：固定5V
- 输出电流：最大100mA
- 输出类型：固定模式
- 输出通道数：1通道
- 电源纹波抑制比（PSRR）：80dB @ 120Hz
- 特性：
- 热保护（TSD）
- 短路保护
三、工作原理
线性稳压器（LDO）是利用线性反馈控制原理工作的电源调节器。通过比较输入电压与所需输出电压，LDO不断调整其内部的导电状态，以保持输出电压在设定值（本产品为5V）上。当输入电压高于设定的输出电压时，LDO会将多余的电压以热量的形式散发掉，确保稳压器输出稳定的电压。
四、主要特性
热保护（TSD）：78L05具备温度监测功能，当芯片温度超过安全范围时，自动进入保护模式，防止因过热而导致的损坏。
短路保护：在发生短路故障时，该稳压器能提供短路保护，防止设备在错误连接情况下发生损坏。
电源纹波抑制比（PSRR）：具有高达80dB的输出纹波抑制比，能够有效滤除大部分输入电源的波动，对电路输出提供更清洁的电源。
五、应用场景
78L05适用于各种低功耗数字和模拟电路，例如：
- 便携式设备：在手机、便携式音频播放器和小型游戏机等设备中，提供稳定的低电压电源。
- 消费电子：在家电、流媒体设备和智能家居产品中，78L05可以有效地提供电源支持。
- 工业控制：可以用于传感器供电、微控制器供电等场合，帮助保障设备的正常运行。
六、设计考虑
在设计电路时，用户应注意输入电压应保持在规定范围内，并需考虑到供电期间可能的电流需求。在使用LDO时，尽量保持输入电压高于输出电压最小差值以确保稳压器正常工作。此外，建议在输入和输出端设计旁路电容，以提高系统的稳定性和抗干扰能力；通常值在10uF到100uF之间。
七、总结
78L05是一款高效、稳定、可靠的线性稳压器，它通过内置的短路和热保护机制，大大提高了其在应用中的安全性和稳定性。凭借其简单的设计和较高的效率，78L05成为了很多电子产品中电源管理的理想选择。对于需要固定低电压和电流的电路设计，78L05无疑提供了一种简便而有效的解决方案。
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