WMSIC Electronic Components

FOSAN 78L05

Model78L05
PackageSOT-89-3
BrandFOSAN
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FOSAN 78L05
Type
FOSAN
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.7V@(40mA)
Electronic Component
FOSAN
Electronic Component
40uV
Electronic Component
78L05
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.147g
Electronic Component
1
Electronic Component
BM0223256332
Operating Temperature
40℃~+125℃
Operating Voltage
35V
Output
Electronic Component
Output Voltage
5V
Output Current
100mA

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

概述

78L05是一款常见的线性稳压器(LDO),它能够提供稳定的5V输出电压,广泛应用于各种电子设备和电路中。该器件设计用于低功耗、低电流应用,适合需要5V直流电源的设备,如传感器、微控制器、通信设备等。78L05能够保证输出电压的准确性和稳健性,使其在设计电源管理系统时成为一种理想选择。

关键特性

  • 输出电压: 5V
  • 输入电压范围: 最高可达35V,确保不同电源适配器的应用。
  • 输出电流: 最大允许运行100mA,适合低功耗电路设计。
  • 封装: SOT-89-3小型封装,适合空间受限的应用。

功能与性能

78L05稳压器在功能上具有以下几大优势:

1. 低纹波和噪声

78L05提供稳定的输出电压,具有较低的纹波和噪声特性,能够有效避免对后端电路造成干扰,尤其是在对电源要求较高的敏感应用中尤为重要。

2. 过流和过温保护

内部集成的过流和过温保护功能,能够防止因过载或过热导致的器件损伤,提升系统的可靠性与安全性。

3. 简化电路设计

由于78L05的简单输入输出配置,用户能够在不需要复杂外围电路的情况下实现稳压功能。这使得设计工程师能更快捷、高效地完成电源管理设计。

4. 兼容性强

78L05稳压器可与多种电源适配器和电池组合使用,包括DC电源、锂电池等,因而在多种场合均可轻松实现电压转换。

应用场景

78L05的应用场景非常广泛,包括但不限于:

  • 微控制器的电源: 在许多嵌入式系统中,微控制器常需稳定的5V电源来正常工作。
  • 传感器供电: 用于为各种传感器(如温度传感器、湿度传感器等)提供稳定的工作电压。
  • 通信设备: 无线通信模块、蓝牙模块等需要稳定电源以保证信号稳定。
  • LED驱动电路: 在一些LED驱动应用中,也可利用78L05提供稳定的工作电压。

设计注意事项

在使用78L05时,设计师需注意以下几点:

  1. 输入电压选择: 确保输入电压在允许范围内,超出范围可能导致器件损坏。
  2. 电源旁路电容: 在输入和输出端适当使用旁路电容以提升稳压效果,通常在Vin和GND端使用0.33uF的陶瓷电容,在Vout和GND之间连接10uF的电解电容,以确保稳定的输出特性。
  3. 散热管理: 虽然78L05设计用于低功耗应用,但在高温环境下使用或输出大电流时需合理设计散热方案。

结论

78L05线性稳压器凭借其简便的使用方式、可靠的输出特性和良好的适应性,成为了电子工程师在电源设计中首选的元器件之一。凭借其在各类电子产品中的广泛应用,有效提升了设备的性能和稳定性,对于推动现代电子技术的发展发挥了重要作用。在实际设计中,通过遵循相关的设计原则和注意事项,用户能更好地利用78L05,以确保系统的高效稳定运行。

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