WMSIC Electronic Components

MDD 78L05

Model78L05
PackageSOT-89-3
BrandMDD
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
MDD 78L05
Type
MDD
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.7V
Electronic Component
MDD
Electronic Component
42uV
Electronic Component
78L05
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.15g
Electronic Component
1
Electronic Component
BM0226603491
Operating Temperature
40℃~+125℃@(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 产品概述

概述

78L05 是一种常见的线性稳压器(LDO),广泛应用于电子电路中,以提供稳定的直流输出电压。作为一种固定电压输出的稳压器,78L05 具有多种特性,使其在众多应用中得以发挥重要作用。它的主要参数包括输出电压为5V,最高输出电流为100mA,且可接受的最大输入电压为30V。由于其优异的性能和稳定性,78L05 被广泛应用于消费电子、工业设备、汽车电子以及其他需要稳定电源的场合。

主要参数

  1. 输出电压与电流:78L05 的输出电压固定在5V,输出电流最大可达100mA。这使得它非常适合用于为小型电子设备供电,如微控制器、传感器和其他低功耗元件。

  2. 输入电压范围:最大输入电压达到30V,为设计师提供了灵活的选择空间。在实际应用中,设计师可以使用多种电源来满足不同的输入电压需求。

  3. 压差:在40mA的工作电流下,78L05 的压差为1.7V。压差越小,器件的效率越高,这意味着在转换过程中损失的功率也越低。

  4. 待机电流:其待机电流为3.8mA,这个数值表示其在不输出负载电流时的能耗。低待机电流是设计电池供电设备时考虑的重要指标,有助于延长设备的工作时间。

  5. 噪声表现:78L05 的输出噪声为42μV,表明该稳压器能够在大多数应用中保持良好的电压稳定性,尤其是对对噪声敏感的电路设计尤为重要。

  6. 电源纹波抑制比(PSRR):在120Hz的频率下,其电源纹波抑制比为49dB,显示出该设备对于电源变化的抵抗能力,这对于保持稳定的输出电压至关重要。

  7. 工作温度范围:工作温度范围为-40℃至+125℃,使得78L05 适用于严酷环境条件下的应用,如汽车电子和工业控制设备中。

封装

78L05 通常采用 SOT-89-3 封装,这种小型化设计不仅节省了PCB空间,还提供了良好的散热性能,使其适合于紧凑的电子设计。

应用场景

由于其稳定性和高性价比,78L05 被广泛应用于以下场景:

  • 微控制器供电:为各种类型的微控制器提供稳定的工作电压。
  • 传感器供电:提供稳定电压以确保传感器的可靠输出。
  • 便携式电源设备:在电池供电系统中,使用低待机电流的特点来延长电池寿命。
  • 音频设备:由于其低噪声性能,78L05 可以用于音频放大器和其他对电源噪声敏感的应用。

结论

78L05 作为一种固定输出电压的线性稳压器,以其稳定性、低噪声、广泛的工作温度范围和高效的性能,在现代电子设计中扮演着重要的角色。无论是在开发消费类电子产品,还是工业控制系统中,78L05 都能满足多种电源需求,为设计师提供可靠的解决方案。此外,其简单的应用并不需要复杂的外部电路,进一步降低了设计的复杂性和成本。选择78L05,您将得到一款不仅性能优秀、而且可靠性极高的稳压器,适合多种应用场景的需求。

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