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UMW LTV-356T-C
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UMW LTV-356T-C
- Type
- UMW
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- UMW
- Electronic Component
- LTV-356T-C
- Electronic Component
- 1
- Package
- SOP-4
- Electronic Component
- Transistor Output Optocoupler
- Electronic Component
- 0.2g
- Electronic Component
- 1
- Electronic Component
- 3us
- Electronic Component
- BM0228532364
- Operating Temperature
- 55℃~+110℃
- Load Voltage
- 80V
- Type
- DC
- Output Current
- 50mA
- Output Type
- Photoelectric Transistor
- (Pd)
- 200mW
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LTV-356T-C 产品概述
一、产品简介
LTV-356T-C 是友台半导体（UMW）出品的一款双路光电耦合器（SOP-4 封装），输入为直流驱动的发光二极管，输出采用光电三极管。器件用于实现电气隔离与信号传输，适合工业控制、通信接口、电源管理及微控制器隔离等场合。该器件在保证高隔离电压同时兼顾较高的传输效率与响应速度。
二、主要电气参数
- 输入（LED）：正向压降 Vf ≈ 1.2V，额定正向电流 If 最高 50mA，反向耐压 Vr = 6V。
- 输出（光电三极管）：最大集电极电流约 50mA，允许负载电压（VCEO）最高 80V。
- 电流传输比（CTR）：最小 50%，典型/最大可达 600%。
- 集-射极饱和电压 VCE(sat)：约 100mV（在典型工作点下），适合低压降开关应用。
- 隔离耐压：输出与输入端之间可达 3.75 kVrms。
- 响应时间：上升时间 tr ≈ 4 μs，下降时间 tf ≈ 3 μs。
- 功耗与温度：总功耗 Pd = 200 mW，工作温度范围 -55℃～+110℃。
三、关键特性
- 高电压隔离（3.75 kVrms），可满足多数工业与医疗级隔离需求。
- 宽 CTR 范围（50%–600%），既适用于低电流驱动也可在高灵敏度需求下工作。
- 低饱和压降（≈100 mV），在开关状态下能显著降低功耗与发热。
- 中等响应速度（几微秒级），适合大多数数字信号隔离和低速串行通信。
四、典型应用场景
- MCU 与高压侧电路的逻辑隔离。
- 开关电源（SMPS）反馈与隔离检测。
- 工业控制器、PLC 输入输出隔离。
- 仪表、测量设备与通信接口保护。
五、封装与使用注意
- 封装形式：SOP-4，适合表面贴装工艺。
- 使用时注意 LED 极性与光电三极管极性，不可反向施加超过 Vr 的电压。
- 推荐按系统需求计算串联限流电阻以保护 LED（根据 Vf 与 If 选择）。
- 在焊接与回流工艺中应遵循厂方温度曲线及静电防护规范，避免超温或机械应力导致封装损伤。
- 设计 PCB 时注意保持输入输出间的爬电与间隙距离，以发挥隔离性能。
六、可靠性与环境适应
LTV-356T-C 设计适应宽温度范围（-55℃ 到 +110℃），总功耗与热管理需在 PCB 设计中予以考虑。器件适用于需要长期稳定隔离与低功耗传输的工业电子系统，建议在关键应用中参考厂方的应用笔记与可靠性数据进行设计验证。
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