WMSIC Electronic Components

ADI/LINEAR LT3094EMSE#TRPBF LT3094EMSE

ModelLT3094EMSE#TRPBF
PackageMSOP-12-EP
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 LT3094EMSE#TRPBF
Type
ADI/LINEAR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
235mV@(500mA)
Electronic Component
ADI(Analog Devices) / LINEAR
Electronic Component
0.8uVrms
Electronic Component
LT3094EMSE#TRPBF
Electronic Component
1
Package
MSOP-12-EP
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.179g
Electronic Component
1
Electronic Component
BM0258662758
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
20V
Output
Electronic Component
Output Voltage
0V~19.5V
Output Current
500mA

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

LT3094EMSE#TRPBF 产品概述

一、概述

LT3094EMSE#TRPBF 是 ADI/Linear 推出的一款单路可调线性稳压器,面向需要低噪声、高PSRR 与精密电源轨的应用。器件支持 0V ~ 19.5V 可调输出、最大输出电流 500mA,工作电压最高 20V,集成多项保护与监测功能,封装为 MSOP-12-EP,适合空间受限但需良好热管理的电路板布局。

二、主要电气性能(要点)

  • 输出类型:可调(0V ~ 19.5V)
  • 最大输出电流:500mA
  • 工作电压:20V(器件供电上限)
  • 压差(Dropout):235mV @ 500mA(低压差设计,适合高效率要求)
  • 静态电流(Iq):12mA(静态功耗特性)
  • 噪声:0.8 μVrms(超低输出噪声,利于精密模拟前端)
  • PSRR:108 dB @ 120 Hz(对工频纹波抑制极佳)
  • 输出极性:负极(适用于负极性输出或特定系统接法)
  • 输出通道数:1

三、控制与保护功能

该器件集成完善的实用功能,便于系统可靠性设计:

  • 带使能(Enable)脚:支持电源序列控制与省电模式。
  • 欠压锁定(UVLO):保证上电/下电过程中的可靠行为。
  • 过热保护(OTP):在结温过高时主动限流或关断,防止器件损坏。
  • 过流保护(OCP)与短路保护:在输出异常时限制电流,保护负载与器件。
  • PG(Power Good)脚:提供电源状态监测信号,便于系统监控与上电排序。

四、封装与热管理

  • 封装:MSOP-12-EP(带底部散热焊盘),在 500mA 工作条件下,建议在 PCB 上为底部散热焊盘留足够的铜箔与过孔,以提高散热能力并维持器件结温在安全范围(器件工作温度 -40℃ ~ +125℃ @ Tj)。合适的热设计对于长期可靠性与稳定输出尤为重要。

五、典型应用与设计建议

  • 应用场景:精密仪器电源、模拟前端(ADC/DAC)、传感器供电、射频偏置源、工业控制模块等对低噪声和高纹波抑制有要求的场合。
  • 布局建议:输入侧与输出侧均应放置合适的去耦电容,靠近器件脚焊;底部散热焊盘应铺铜并连通多层散热层,通过过孔将热量传导至 PCB 其它层;确保 PG 与 EN 引脚的外接电路遵循芯片数据手册时序与电平要求。
  • 稳定性与电容:依据负载与所选输出电容的 ESR 特性调整,具体电容类型与数值请参照原厂数据手册以确保稳定运行。
  • 可靠性注意事项:在高负载或高环境温度下,关注压差与功耗(Vdiff × Iout),并留足热裕量以避免进入过热保护状态。

六、总结

LT3094EMSE#TRPBF 以其 0–19.5V 可调输出、500mA 输出能力、低噪声(0.8 μVrms)与超高 PSRR(108 dB@120Hz)等优势,适合对电源质量有严格要求的精密应用。同时,丰富的保护功能与 MSOP-12-EP 的散热设计,使其在可靠性与实用性上表现平衡。对于需要低压差、高抑制比与可监控电源状态的设计,该器件是值得优先考虑的解决方案。若需具体电路示例、外部元件选型或热仿真建议,可参照 ADI/Linear 的详细数据手册或提供更多系统条件以便进一步优化。

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