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HGSEMI LMC555M/TR LMC555M
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HGSEMI LMC555M / TR
- Type
- HGSEMI
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HGSEMI
- Electronic Component
- LMC555M/TR
- Electronic Component
- 1
- Package
- SOP-8
- Electronic Component
- 555 Timer
- Electronic Component
- 0.19g
- Electronic Component
- 1
- Features
- Electronic Component
- Electronic Component
- BM0227636593
- Electronic Component
- 1
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~15V
- Operating Current
- 30uA
- Electronic Component
- Electronic Component
- Electronic Component
- 2500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LMC555M/TR 产品概述
一. 概述
LMC555M/TR（品牌：HGSEMI/华冠）是一款单通道定时器/计时器/时钟振荡器，采用 SOP-8 封装，专为低功耗振荡与定时应用设计。器件支持占空比可调的振荡工作模式，可用于脉宽调制、方波/时钟源、脉冲延时与单稳态触发等常见电路。
二. 主要参数
- 定时器数：1（单通道）
- 工作电压：4.5 V ~ 15 V
- 工作电流：典型 30 µA（低功耗）
- 工作温度：-40 ℃ ~ +85 ℃
- 功能特性：占空比可调振荡（ASTABLE）、单稳态触发（MONOSTABLE）、时钟输出
- 封装：SOP-8
三. 典型功能与应用
LMC555M/TR 适合对功耗敏感且需稳定时钟/脉冲源的场合，包括但不限于：
- LED 闪烁与指示灯驱动
- 低速 PWM 调光与占空比控制
- 简单定时器与延时电路
- 信号整形与脉冲发生器
- 教学与原型开发中的时序模块
四. 使用建议与注意事项
- 建议在 Vcc 与 GND 之间并联去耦电容（0.01 µF ~ 0.1 µF）以抑制电源噪声并提高稳定性。
- 占空比与频率由外接电阻、电容决定；典型的非稳态（astable）电路通过两个电阻与一个电容即可实现占空比可调。
- 引脚不要悬空，输入端应有明确的上拉或下拉处理以避免误触发。
- 在高干扰环境下可考虑增加滤波或缓冲级以保证输出波形质量。
五. 优势总结
LMC555M/TR 提供了工业级温度范围和宽广的工作电压，同时保持极低的静态电流（约 30 µA），非常适合电池供电及低功耗系统。SOP-8 封装利于通用 PCB 布局与批量生产。
六. 包装与订购提示
该器件以 SOP-8 封装出厂，型号标识为 LMC555M/TR，品牌为 HGSEMI（华冠）。在采购时请确认完整型号和供货批次，并参考厂方数据手册获取详细引脚定义与电气特性曲线，以便在设计中正确选型与布局。
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