WMSIC Electronic Components

HGSEMI LM1086S-5.0/TR LM1086S

ModelLM1086S-5.0/TR
PackageTO-263-3
BrandHGSEMI
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
HGSEMI LM1086S-5.0 / TR
Type
TO-263-3
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.25V@(1.5A)
Electronic Component
HGSEMI
Electronic Component
0.003%Vout
Electronic Component
LM1086S-5.0/TR
Electronic Component
1
Package
TO-263-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
2.482g
Electronic Component
1
Electronic Component
BM0264801295
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
15V
Output
Electronic Component
Output Voltage
5V
Output Current
1.5A

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

LM1086S-5.0/TR 产品概述

一、概述

LM1086S-5.0/TR 是华冠(HGSEMI)推出的一款正电压固定输出低压降三端线性稳压器,输出电压为 5.0V,单通道设计,适用于对电源噪声与纹波有严格要求的嵌入式与消费类电子设备。器件在高达 1.5A 的输出电流下仍能维持低压差特性,封装为 TO-263-3(D2PAK),便于散热与表面贴装生产。

二、主要特性

  • 输出电压:5.0V(固定型,输出精度典型为 ±2%)
  • 最大输出电流:1.5A
  • 工作电压(输入范围):最高可达 15V(参照器件规范书)
  • 压差(Dropout):约 1.25V @ 1.5A(典型 1.2V)
  • 电源纹波抑制比(PSRR):75dB @ 120Hz,优异的纹波抑制能力
  • 静态电流(Iq):1.3mA,适合对空载功耗有要求的系统
  • 输出噪声:0.003% × Vout(极低噪声,5V 输出时约 0.15mV)
  • 保护功能:带过流保护与热关断,提升系统可靠性
  • 工作温度:-40℃ ~ +125℃(Tj)
  • 输出类型:固定 5.0V,单通道

三、典型应用场景

  • 单片机与逻辑电源(5V 供电)
  • 通信与接口电源模块
  • 工业控制设备、传感器供电
  • 消费电子、家用电器的局部稳压电源
  • 需要低噪声、高 PSRR 的模拟与混合信号电路

四、封装与散热

LM1086S-5.0/TR 采用 TO-263-3 表面贴装功率封装,利于大电流时的散热处理。在 PCB 设计中建议配合较大面积的铜箔散热层或热沉,通过适当的过孔将热量传导到散热层,以保证在 1.5A 工作点下的温升控制并发挥热关断保护的可靠性。

五、典型电路与布局建议

  • 输入端建议并联低 ESR 电解/钽电容与 0.1µF 陶瓷旁路电容,以保证稳定性与高频抑制。
  • 输出端配合推荐的输出电容(参见 datasheet)可确保稳压器稳定工作并改善瞬态响应。
  • 输入和输出走线尽量短且宽,减小压降与环路阻抗,接地应采用单点或权衡的地平面设计以降低噪声耦合。
  • 对于高纹波或严格干扰场合,可在输入端增加滤波器或磁环以进一步提高系统抗干扰能力。

LM1086S-5.0/TR 以其低压差、大电流能力、低噪声和高 PSRR 的特点,适合对稳压性能要求较高且空间受限的电源设计场合。选型与电路布局请参考完整规格书以获得最佳设计结果。

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