WMSIC Electronic Components

NISSHINBO NJM78L18UA-TE1

ModelNJM78L18UA-TE1
PackageSOT-89
BrandNISSHINBO
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
NISSHINBO NJM78L18UA-TE1
Type
NISSHINBO
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
NISSHINBO
Electronic Component
230uV
Electronic Component
NJM78L18UA-TE1
Electronic Component
1
Package
SOT-89
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.15g
Electronic Component
1
Electronic Component
BM0212422812
Operating Temperature
40℃~+85℃@(Ta)
Operating Voltage
40V
Output
Electronic Component
Output Voltage
18V
Output Current
100mA
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.

NJM78L18UA-TE1 产品概述

一、产品简介

NJM78L18UA-TE1 是一款高性能的线性稳压器(LDO),其设计目标是为各种电子电路提供稳定的电源电压。该器件固定输出电压为 18V,能够输出最大 100mA 的电流,适合对电源噪声和纹波有较高要求的应用。NJM78L18UA-TE1 封装形式为 SOT-89,这种小型化的封装使其适用于空间受限的设计。

二、主要特性

  1. 电压输出:NJM78L18UA-TE1 提供固定的 18V 输出电压,适合于许多固定电压需求的应用场合。

  2. 电流输出:最大输出电流为 100mA,可以满足一般低功耗设备的需求。

  3. 输入电压范围:该稳压器可以支持高达 40V 的输入电压,使其在高电压环境中也能稳定工作,增加了设计灵活性。

  4. 低纹波:NJM78L18UA-TE1 在工作时,能够有效地降低输出电压中的纹波和噪声,确保供电质量,尤其适用于音频和精密仪器。

  5. 热保护:该器件内置过热保护功能,防止因过载引起的器件损坏。

  6. 短路保护:具备短路保护,确保在短路情况下不会造成器件损坏,提高了系统的可靠性。

  7. 高稳定性:采用先进的材料和技术,提供了高稳定性的性能,能够适应多种负载条件。

  8. 连接方式:SOT-89 封装使得 NJM78L18UA-TE1 具有良好的散热性能和电路布局灵活性,适合在 PCB 上设计与安装。

三、应用场景

NJM78L18UA-TE1 适用于多种电子产品和设备,包括但不限于:

  1. 音频设备:对于音频放大器、调音台等设备,稳定的电压输出可以减少音频信号的失真。

  2. 传感器电源:可为温度、湿度、光照等传感器提供稳定的电源,保证传感器精度。

  3. 消费电子:如便携式设备、智能手机、平板电脑等,都可以利用该 LDO 稳压器为其提供所需的电源。

  4. 仪器仪表:在电子测试设备或传感器数据记录器中,该 LDO 可以为内部电路提供稳定的工作电压。

  5. 工业控制:广泛用于工业自动化设备、数据采集系统等需要稳定供电的场合。

四、设计注意事项

在使用 NJM78L18UA-TE1 进行电路设计时,应注意以下问题:

  1. 输入电压必须高于输出电压:确保输入电压始终高于 18V,并在 40V 的限制内,以保证稳压器能够正常工作。

  2. 需要适当的旁路电容:为了优化其响应特性和稳定性,建议在输入和输出端各加一个旁路电容,通常 0.33μF 的陶瓷电容用于输入,10μF 的电解电容或铝电解电容用于输出。

  3. 注意功率损耗:根据输入电压、输出电压和输出电流计算挤压的功耗,确保稳压器工作在安全范围内,并考虑需要散热的设计。

  4. PCB 布局:合理的 PCB 布局和走线设计可以有效减少电源噪声,并提升电源的稳定性。确保电路与 EMI 敏感装置的距离,以减少干扰。

五、总结

NJM78L18UA-TE1 以其高在线压稳定性、低纹波输出和强大的保护功能,广泛适用于多种需要稳定 DC 电源的电子产品中。秉承高品质芯片设计和良好的电路布局,可以充分发挥其在各种应用中的潜力。无论是在音频设备、传感器电源还是工业控制领域,NJM78L18UA-TE1 都是一个理想选择。

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