WMSIC Electronic Components

HGSEMI LM2596HVS-5.0/TR LM2596HVS

ModelLM2596HVS-5.0/TR
PackageTO-263-5
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 LM2596HVS-5.0 / TR
Type
HGSEMI
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HGSEMI
Electronic Component
LM2596HVS-5.0/TR
Electronic Component
1
Package
TO-263-5
Electronic Component
DC-DC Power Supply IC
Electronic Component
2.41g
Electronic Component
1
Features
Electronic Component
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0265070254
Operating Temperature
40℃~+125℃
Operating Voltage
60V
Switching Frequency
150kHz
Electronic Component
Electronic Component

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

LM2596HVS-5.0/TR 降压型开关稳压器产品概述

一、产品定位与核心价值

LM2596HVS-5.0/TR是华冠半导体(HGSEMI)推出的高压异步降压开关稳压器,专为工业级、车载等恶劣环境下的高压输入降压场景设计。其核心价值在于兼顾宽输入电压范围、高输出电流能力、工业级宽温特性,同时内置高压开关管简化外围电路,无需外置功率管即可实现3A持续输出,是替代传统线性稳压器(如78xx系列)的高效方案。

二、关键性能参数详解

该产品的核心参数针对高压应用优化,具体如下:

  • 输入输出范围:输入电压支持60V最大(兼容12V/24V/48V系统),输出为固定5V(型号后缀“5.0”标识),电压精度±2%以内;同系列产品支持1.2V~57V宽调节,适配更多输出需求。
  • 输出电流:持续输出能力达3A,峰值电流可满足瞬间负载冲击(如电机启动、数字电路上电)。
  • 工作温度:覆盖**-40℃~+125℃**,符合工业级温度标准,可稳定工作于户外、高温车间、车载舱内等极端环境。
  • 静态电流:典型值3.6mA,轻载(<100mA)下仍保持低功耗,适合待机状态下需低电流消耗的设备(如智能家居网关、工业传感器)。
  • 开关特性:固定开关频率150kHz,平衡了电感体积(无需大尺寸电感)与效率(减少开关损耗);采用异步降压拓扑,内置60V高压N沟道开关管,仅需外置续流二极管即可工作。

三、封装与引脚功能

LM2596HVS-5.0/TR采用TO-263-5贴片封装(尺寸紧凑,适合高密度PCB布局),引脚定义清晰易识别:

引脚编号 引脚名称 功能说明 1 Vin 输入电压端(需并联高压滤波电容抑制尖峰) 2 GND 电源地(需与输入/输出地共地,减少压降) 3 FB 反馈端(固定5V型号内部已连接至1.2V基准,无需外部电阻) 4 SW 开关节点(接电感、续流二极管阳极) 5 Vout 输出电压端(接输出滤波电容稳定纹波)

四、典型应用场景

凭借高压宽温特性,该产品广泛应用于以下领域:

  1. 工业自动化:PLC模块、传感器节点、伺服电机驱动的辅助电源(兼容工业48V母线);
  2. 车载电子:电动车48V辅助系统、车载通信设备(兼容12V/24V/48V电池系统);
  3. 通信设备:基站RRU单元、光纤收发器的高压转5V电源(替代线性稳压器提升30%以上效率);
  4. 分布式电源:高压母线(60V以内)转5V给数字电路、MCU供电,减少电源损耗与发热。

五、应用设计注意事项

为保证稳定工作,需注意以下设计要点:

  1. 输入滤波:Vin与GND之间并联10μF电解电容+0.1μF陶瓷电容,抑制输入电压尖峰(高压下易产生EMI干扰);
  2. 电感选择:推荐使用100μH~220μH功率电感,饱和电流需≥3.5A(避免负载冲击时电感饱和导致输出跌落);
  3. 续流二极管:需选耐压≥80V、正向电流≥3A的快恢复二极管(如1N5822或MBR360),并联在SW与GND之间(注意阳极接SW、阴极接GND);
  4. 输出滤波:Vout与GND之间并联10μF电解电容+0.1μF陶瓷电容,输出纹波可控制在50mV以内,满足数字电路供电要求;
  5. 热设计:TO-263-5封装热阻约50℃/W,若负载持续3A(典型功耗≈3W),建议在封装底部加小型散热片,或增大PCB铜箔面积(GND引脚附近铺≥2oz铜箔)。

六、总结

LM2596HVS-5.0/TR是一款高性价比高压降压稳压器,核心优势在于:

  • 宽输入60V兼容多电压系统,适配工业/车载主流母线;
  • 工业级-40~125℃宽温,满足极端环境可靠性要求;
  • 内置高压开关管,外围仅需电感、二极管、电容,设计简单;
  • 3A输出能力覆盖中功率负载,效率比线性稳压器提升50%以上。

其紧凑的TO-263-5封装与成熟的应用方案,使其成为工业、车载等高压场景下的理想选择,可有效降低系统功耗与发热,提升设备稳定性。

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