WMSIC Electronic Components

SHIKUES 79L05

Model79L05
PackageSOT-89-3
BrandSHIKUES
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SHIKUES 79L05
Type
SHIKUES
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.7V
Electronic Component
SHIKUES
Electronic Component
79L05
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.139g
Electronic Component
1
Electronic Component
BM0093075047
Operating Temperature
40℃~+85℃
Operating Voltage
35V
Output
Electronic Component
Output Voltage
5V
Output Current
150mA
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:79L05 线性稳压器

一、基本信息

79L05 是一款固定输出电压的线性稳压器(Low Dropout Regulator,简称 LDO),其特点是能够在输入电压高于输出电压的情况下,以最低的压降工作。该器件的最大输入电压为 35V,能够输出电流最高为 150mA,且稳压输出电压为 5V。这款 LDO 采用 SOT-89-3 封装,适合于各种紧凑型电路板设计。品牌为 SHIKUES(时科),其产品以可靠的性能和高性价比在市场上获得了一定声誉。

二、应用场景

79L05 线性稳压器广泛应用于多个领域,包括但不限于:

  1. 消费电子:如笔记本电脑、平板电脑和手机等移动设备的电源管理,能够稳定输出电压,保护敏感的电子元器件。

  2. 工业控制:在复杂的工业控制系统中,79L05 可为各种传感器和控制单元提供稳定的电源,确保设备的正常运行。

  3. 办公自动化设备:如打印机、复印机等设备中,提供稳定的工作电压,确保其高效稳定的工作。

  4. 汽车电子:79L05 可作为汽车内部电子设备的电源,如导航系统和信息娱乐系统,确保在高低温和各种电气环境条件下的稳定输出。

三、工作特性

79L05 的工作特性包括:

  • 输出电压稳定性:79L05 提供固定的5V输出电压,具有优良的负载调整率和温度稳定性,能够减少输出电压的波动,提高供电的可靠性。

  • 低压差(Low Dropout):79L05 设计用于具有极低输入输出差压的条件下工作,因此在输入电压很接近于输出电压时,其依旧能够正常工作,极大地提高了电源设计的灵活性。

  • 高输出电流:能够支持最高150mA的输出电流,适用于多种中低功耗的应用场景,确保连通多个电路元件时电源的稳定性。

  • 安全保护功能:79L05 内建过热保护和过流保护,能够防止因过载导致的器件损损坏,保证系统的安全性和可靠性。

四、封装与引脚配置

79L05 采用 SOT-89-3 封装,此封装具有小尺寸、低功耗的特点,适合于需要节省空间的现代电子产品设计。针对该封装,79L05 的引脚配置如下:

  • 引脚1(输入):输入电源,通过此引脚连接输入电压源。
  • 引脚2(接地):连接到电路地,以确保器件的正常工作。
  • 引脚3(输出):输出端子,从该引脚提供稳定的5V输出电压。

这种紧凑的封装设计使得79L05 在电路板上的布局更加灵活,便于与其他元器件配合。

五、优缺点分析

优点:

  • 简单易用:79L05 的固定输出设计使得电路设计更为简便,廉价且减少了元器件数量。
  • 高效率:在相对较高的输入电压下,保持低压差,大幅度提升了能效。
  • 保护特性:内建安全保护,提高了整个电路的可靠性,使其能够通过严格的工业标准测试。

缺点:

  • 热管理要求:在较高负载电流下可能会产生显著热量,用户需要合理设计散热方案以防止过热。
  • 效率问题:相比开关电源类型的变换器,线性稳压器的效率在输入与输出电压差较大时可能会相对较低。

六、总结

79L05 线性稳压器以其可靠的性能、固定的输出电压和小巧的封装,广泛适用于多种电子设备的电源管理系统。无论是在消费电子、工业控制,还是汽车电子等领域,79L05 都展现出了出色的应用能力,是众多设计工程师在选择稳压器时的优质衡量标准。由于其众多的优点,加上相对简单的使用方式,79L05 是市场上不可或缺的线性稳压解决方案。

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