WMSIC Electronic Components

78L05

Model78L05
PackageSOT-23
BrandYONGYUTAI
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YONGYUTAI 78L05
Type
YONGYUTAI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.7V
Electronic Component
YONGYUTAI
Electronic Component
40uV
Electronic Component
78L05
Electronic Component
1
Package
SOT-23
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.152g
Electronic Component
1
Electronic Component
BM0225803269
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.

78L05 线性稳压器产品概述

概要

78L05 是一种由永裕泰(YONGYUTAI)生产的线性稳压器(LDO),属于固定输出电压类型。它以其高性能、稳定性和广泛的应用场景而受到广泛欢迎。以下是对 78L05 的详细介绍。

基础参数

  • 压差(Dropout Voltage): 1.7V @ 40mA
    • 这意味着当输入电压与输出电压之间的差值达到 1.7V 时,稳压器开始进入dropout区域,无法维持稳定的输出电压。
  • 商品分类: 线性稳压器(LDO)
    • LDO 是一种低压差的线性稳压器,适用于需要低噪声和高精度输出的应用。
  • 工作温度: -40℃ ~ +125℃ (@ Tj)
    • 这个温度范围表明该稳压器可以在极端环境下正常工作,适用于各种工业和汽车电子应用。
  • 待机电流: 3.8mA
    • 在没有负载的情况下,稳压器的静态电流为 3.8mA,这对于节能设计非常重要。
  • 最大输入电压: 30V
    • 输入电压不能超过 30V,以避免损坏稳压器。
  • 电源纹波抑制比(PSRR): 49dB @ 120Hz
    • 高的PSRR值表示该稳压器能够有效地抑制输入电源中的噪声和纹波,提供清洁的输出电压。
  • 输出极性: 正极
    • 输出为正极,这是大多数电子系统中常见的配置。
  • 输出电压: 5V
    • 固定输出电压为 5V,适用于大多数数字电路和微控制器。
  • 输出电流: 100mA
    • 最大连续输出电流为 100mA,足以满足小型到中型电子设备的需求。
  • 输出类型: 固定
    • 输出电压是固定的,不需要外部调整元件。
  • 输出通道数: 1
    • 该稳压器只有一个输出通道。

封装和品牌

  • 封装: SOT-23
    • 小型化的SOT-23封装使其适合于空间有限的 PCB 设计。
  • 品牌: 永裕泰(YONGYUTAI)
    • 由知名品牌永裕泰生产,保证了产品的质量和可靠性。

应用场景

78L05 因其高性能和灵活性,广泛应用于以下领域:

  • 数字电路和微控制器系统
    • 为微控制器、FPGA、CPLD 等数字芯片提供稳定的 5V 电源。
  • 通信设备
    • 用于手机、无线路由器、调制解调器等通信设备中,为关键组件提供稳定的电源。
  • 工业控制系统
    • 在工业自动化控制系统中,为传感器、执行器以及控制单元提供可靠的电源。
  • 汽车电子
    • 由于其宽温范围和高可靠性,适用于汽车电子系统,如车载电脑、导航系统等。
  • 医疗设备
    • 用于医疗设备中,如心率监测仪、血压计等,需要高精度和低噪声的电源。

特点和优势

  • 低压差
    • 仅 1.7V 的压差使得 78L05 在输入电压较低时仍能提供稳定的输出。
  • 高PSRR
    • 优秀的电源纹波抑制能力确保输出电压的清洁度,即使在输入电源有明显噪声的情况下。
  • 宽温范围
    • 从 -40℃ 到 +125℃ 的工作温度范围,使其适用于各种极端环境下的应用。
  • 小型化封装
    • SOT-23 封装节省空间,适合于现代电子产品的紧凑设计要求。
  • 低待机电流
    • 低待机电流有助于减少能耗,特别是在需要长时间待机或低功耗模式下的应用中。

使用注意事项

  • 输入电压限制
    • 确保输入电压不超过 30V,以避免损坏稳压器。
  • 热管理
    • 在高负载或高温环境下,需要考虑散热措施,以确保稳压器的可靠运行。
  • 滤波和去耦
    • 在输入和输出端使用适当的电容进行滤波和去耦,以进一步提高系统的稳定性和抗干扰能力。

总结来说,78L05 是一种功能强大、性能优异的线性稳压器,广泛适用于各种电子系统。其高PSRR、低压差和宽温范围使其成为许多设计师和工程师的首选。通过选择 78L05,你可以为你的项目提供一个可靠、高效且稳定的电源解决方案。

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