WMSIC Electronic Components

ADI/LINEAR MAX1916EZT+T MAX1916EZT

ModelMAX1916EZT+T
PackageTSOT-23-6L
BrandADI/LINEAR
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ADI(Analog Devices) / LINEAR MAX1916EZT+T
Type
ADI/LINEAR
Minimum package
2500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
MAX1916EZT+T
Electronic Component
1
Package
TSOT-23-6L
Electronic Component
LEDDriver
Electronic Component
Analog
Electronic Component
0.043g
Electronic Component
1
Channel Count
3
Features
(OTP)
Electronic Component
BM0264241022
Operating Temperature
40℃~+85℃
Electronic Component
3‰
Output Current
60mA
Operating Voltage(DC)
2.5V~5.5V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MAX1916EZT+T 产品概述

一、产品简介

MAX1916EZT+T 是一款三通道线性恒流LED驱动器,适用于低压单节或多节电池与单电源供电的背光和指示照明场合。器件输入电压范围宽(DC 2.5 V 至 5.5 V),每通道最大输出电流可达 60 mA,提供高精度恒流源,适配细小封装系统和紧凑照明模组。

二、主要特性

  • 工作电压(DC):2.5 V ~ 5.5 V,兼容常见单节锂电及 5 V 系统。
  • 通道数:3 路独立线性恒流输出。
  • 输出电流:每通道最高 60 mA,适合小功率至中等功率LED。
  • 调光方式:模拟调光,可通过外部电压调整电流大小,实现平滑亮度控制。
  • 恒流精度:3‰(0.3%),确保三路亮度一致性与色温稳定性。
  • 保护功能:内置过温保护(OTP),提高系统可靠性。
  • 开关管:内置,有利于简化外围设计和节省 PCB 空间。
  • 工作温度:-40 ℃ 至 +85 ℃,适应工业级环境要求。
  • 封装:TSOT-23-6L,体积小,适合表贴安装与空间受限应用。

三、应用场景

  • 手持终端、便携设备的按键/指示灯背光。
  • 仪表面板与车载辅助照明(非高功率主照明)。
  • 小型显示屏背光驱动(LCD/OLED 辅助照明)。
  • 工业控制与通信设备的状态指示灯。

四、设计与使用建议

  • 模拟调光接口可直接连接 MCU 的 DAC 或外部电压源,实现线性亮度控制,避免 PWM 引入的闪烁与 EMI。
  • 封装小巧但散热受限,长时间高电流工作时注意热设计:保持足够的 PCB 铜箔散热、避免热源叠加,并利用 OTP 作为二次保护。
  • 若系统电压接近下限(2.5 V),请验证在所需负载条件下各通道的电压余量与线性压降,避免出现输出饱和。
  • 推荐在输入处加入合适的去耦电容,抑制供电瞬变并提高系统稳定性。

五、选型要点与比较

选择 MAX1916EZT+T 时应重点考虑:所需单通道电流(最高 60 mA)、调光方式(模拟)与系统散热能力。与开关型驱动相比,线性器件在噪声和电磁兼容方面更有优势,但效率较低;适合对 EMI 要求高且功耗允许的场景。

六、封装与可靠性

TSOT-23-6L 封装便于表面贴装与自动化生产,器件额定工作温度覆盖工业级要求。内置过温保护提高了在异常工况下的安全性,但长期高温工况仍需在系统设计中避免。

总结:MAX1916EZT+T 是一款适合紧凑型设备的高精度三通道线性恒流LED驱动器,提供优秀的一致性和模拟调光能力,适用于要求低噪声、低 EMI 的背光与指示照明应用。

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