WMSIC Electronic Components

SHIKUES 78L33

Model78L33
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 78L33
Type
SHIKUES
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.7V
Electronic Component
SHIKUES
Electronic Component
40uV
Electronic Component
78L33
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.126g
Electronic Component
1
Electronic Component
BM0222298740
Operating Temperature
20℃~+120℃@(Ta)
Operating Voltage
30V
Output
Electronic Component
Output Voltage
3.3V
Output Current
200mA

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:SHIKUES 78L33 线性稳压器

一、产品简介

SHIKUES 78L33 是一款基于 SOT-89-3 封装的线性稳压器,主要用于提供稳定的输出电压。该器件设计用于低功耗应用,能够为各种电子电路提供可靠的电源管理。作为 78 系列线性稳压器的一部分,78L33 的输出电压为 3.3V,适合需要 3.3V 电源的设备,广泛应用于微控制器、传感器和其他数字电路中。

二、功能特点

  1. 输出电压稳定性:78L33 提供固定的 3.3V 输出电压,能够有效抑制输入电压波动带来的影响,保证下游电路稳定运行。

  2. 低噪声特性:该线性稳压器设计有优良的电源噪声抑制能力,在提供稳定电压的同时,能够有效降低噪声对电路的干扰,满足敏感应用的需求。

  3. 较低的静态电流:78L33 具有低静态电流特性,意味着在待机或轻载条件下,其功耗较低。这在电池供电的应用中至关重要,可以有效延长设备的使用寿命。

  4. 过载和过热保护:器件内建过载和过热保护电路,可以在异常条件下保护线性稳压器和连接的负载,提高系统的可靠性。

  5. 兼容性:78L33 在 SOT-89-3 封装下占据较小的空间,易于与其他元件共同集成在小型电路板上,满足现代电子产品对小型化的要求。

三、应用领域

  1. 消费电子产品:广泛应用于便携式设备,如数码相机、手持式仪器和移动电话等,提供稳定的 3.3V 电源。

  2. 嵌入式系统:适用于各种嵌入式系统,如单片机开发板、传感器网络和工业控制系统等。

  3. 电路保护设备:在保护电路中,78L33 可以用作负载前端供电电源,为过流和短路保护电路提供稳定电源。

  4. 仪器仪表:可用于科学仪器和测量设备,为运算放大器和模拟传感器提供偏置电源,确保准确测量。

四、规格参数

  • 输入电压范围:通常为 4.75V 至 15V,具体范围依赖于负载条件。
  • 输出电压:3.3V(固定)。
  • 输出电流:最大静态输出电流通常为 100mA,适合小功率负载。
  • 温度范围:适用的工作温度范围一般为 -40°C 至 125°C。
  • 封装形式:SOT-89-3,具备较小的尺寸,便于与其他元件布置。

五、设计注意事项

在使用 SHIKUES 78L33 时,需要注意几个关键因素:

  1. 输入电压选择:确保输入电压在其额定范围内,以避免损坏元器件。

  2. 输入和输出电容:为确保稳压性能和瞬态响应,建议在输入和输出侧各增加适当的电容。一般情况下,1μF 至 10μF 的电容可以有效改善电源稳定性。

  3. 热管理:尽管78L33具有过热保护,但在高负载条件下,仍需要确保良好的散热设计,避免因过热导致器件性能下降或损坏。

  4. 布局设计:在 PCB 布局时,尽量将输入、输出和接地走线设计得尽可能短,以降低布线电感对电源稳定性的影响。

六、总结

SHIKUES 78L33 线性稳压器凭借其小巧的 SOT-89-3 封装、低功耗特性以及出色的电源稳定性能,是现代电子设计中不可或缺的元件之一。无论是在消费电子、嵌入式系统还是工业应用中,78L33 都能有效提供3.3V 稳定电源,满足用户对电源管理的各种需求。因此,选择合适的稳压器不仅能提升产品的性能表现,也能增强设备的可靠性与使用寿命。

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