WMSIC Electronic Components

UMW 78L05

Model78L05
PackageSOT-89-3
BrandUMW
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
UMW 78L05
Type
UMW
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.7V
Electronic Component
UMW
Electronic Component
40uV
Electronic Component
78L05
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.22g
Electronic Component
1
Electronic Component
BM0110159400
Operating Temperature
20℃~+120℃@(Tj)
Operating Voltage
30V
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

一、产品简介

78L05 是一款固定输出电压的线性稳压器(LDO),主要用于提供稳定的5V电压输出,适用于多种电子设备的电源管理。该器件由友台半导体(UMW)生产,符合业界标准,提供优秀的性能和可靠性,是电子设计工程师常用的电源解决方案之一。78L05 的额定输入电压可高达30V,并具有最大输出电流为100mA的能力,尤其适合于小功率电子设备和消费类电子产品。

二、技术规格

  • 输入电压范围:最大可达30V,至少有2V的输入与输出电压差(压差),以确保正常运行。
  • 输出电压:固定5V,提供稳定的电压供给,避免因电源波动引起的设备性能不稳定。
  • 输出电流:支持最大100mA的输出电流,适合低功耗部件供电。
  • 封装形式:SOT-89-3,体积小巧,易于集成,适合于空间受限的设计。
  • 工作温度:通常可在-40℃至+125℃的环境下工作,确保在各种条件下的可靠性。

三、功能特点

  1. 高稳定性:78L05 能够提供非常稳健的电压输出,当输入电压发生波动时,输出电压能够迅速恢复稳定状态,适应各种不同的电源情况。

  2. 低噪声:该稳压器内置的噪声滤波功能降低了电压输出中的杂讯,有助于满足对信号质量有较高要求的电子设备。

  3. 短路保护:78L05 内部设计了短路保护功能,以防止由于异常情况而造成的损坏,增强了设备的稳定性和安全性。

  4. 过热保护:在过载或散热不良的情况下,器件会自动降低输出电流,防止过热导致的损坏。

  5. 引脚设计:SOT-89 封装具有较小的引脚间距,适合密集布线,提高了PCB设计的灵活性。

四、应用场景

由于其优良的性能和多样的功能,78L05 在多个领域得到了广泛应用,包括但不限于:

  • 消费电子产品:如手机、平板电脑与其他便携式设备中,为各种电路提供稳定的供电。
  • 通信设备:如无线路由器、信号放大器等对电压质量要求较高的设备。
  • 传感器电源:用于各种传感器模块,提供可靠的5V电源支持,以确保准确的数据采集。
  • 嵌入式系统:为微控制器和其他数字电路提供稳定的电源,使系统整体性能得到提高。

五、使用注意事项

在使用78L05 时,建议采纳以下注意事项:

  1. 输入电压:确保输入电压不超过30V,同时推荐的输入电压在7V至15V之间,以降低功耗和发热。
  2. 散热设计:在输出高达100mA时,适当的散热设计是必需的,确保器件温度保持在安全范围内。
  3. 电容配置:为确保最佳性能,建议在输入和输出端添加适当的旁路电容,以过滤高频噪声并稳定输出电压。

六、总结

78L05 是一款具有高稳定性、低噪声、内置保护功能的线性稳压器,封装小巧,非常适合空间受限的应用场景。无论是在消费电子、通信设备还是嵌入式系统中,78L05 都能提供可靠的5V电源解决方案。无论是对于新手工程师还是经验丰富的电路设计师,78L05 均是一个值得信赖的选择。通过合理的电路设计参数与注意事项的实施,用户可以充分发挥78L05 的优越性能,推动其在各类电子产品中的应用。

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