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TLP2303(TPL,E(T TLP2303
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TOSHIBA TLP2303(TPL, E(T
- Type
- SO-5-4.6MM
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TOSHIBA
- Electronic Component
- TLP2303(TPL,E(T
- Electronic Component
- 1
- Package
- SO-5-4.6mm
- Electronic Component
- Transistor Output Optocoupler
- Electronic Component
- 0g
- Electronic Component
- 1
- CMTI(kV/us)
- 30kV/us
- Electronic Component
- 100Kbps
- Electronic Component
- BM0230044297
- Operating Temperature
- 40℃~+125℃
- Operating Voltage
- 4.5V~18V
- Type
- DC
- Output Current
- 80mA
- (Vf)
- 1.47V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TLP2303 (TPL,E(T) — 逻辑输出光耦产品概述
一、产品简介
TLP2303 是东芝（TOSHIBA）推出的一款逻辑输出型光耦合器，适用于将低电平直流信号通过光隔离方式传输到隔离侧逻辑电路或驱动电路。器件输入为 LED 驱动（DC），输出为逻辑/开集电极驱动，工作电压范围宽（4.5V ~ 18V），能在工业环境下提供可靠的电气隔离与抗干扰性能。
二、主要性能亮点
- 隔离耐压：3.75 kVrms，满足常见工业控制和电源模块的安全隔离要求。
- 共模瞬态抗扰度（CMTI）：30 kV/μs，适合高干扰环境下的高速脉冲隔离应用。
- 传输速率：最高可达 100 kbps，适用于一般数字信号与串行总线级别的数据传输。
- 电流传输比（CTR）：900%（典型），显示较高的光电转换效率，意味着较小的输入 LED 电流即可获得较大输出电流。
- 输出能力：典型输出电流 80 mA，能直接驱动一定负载或后级功率器件门极／基极。
- 工作温度范围：-40℃ 至 +125℃，适合严苛温度工况。
三、电气特性要点
- 输入 LED 特性：正向压降 Vf≈1.47V（If=15mA），最大正向电流 If=15mA（请遵循数据表推荐的驱动条件）；直流反向耐压 Vr=5V，需避免反向过压。
- 输出延迟：tpLH≈50 μs，tpHL≈15 μs，注意上升/下降不对称，适用于对延时要求不是极致严格的控制场合。
- 工作供电：隔离侧供电 4.5V–18V，具有一定的灵活性，可与常用单片机或逻辑电源兼容。
四、封装与可靠性
封装为 SO-5（4.6 mm），占板面积小，便于表面贴装与自动化装配。东芝品质保障下具有工业级温漂与长期可靠性，适合在控制器、继电器驱动、隔离通信等模块中使用。
五、典型应用场景
- MCU 与高电压/高噪声侧电路间的数字隔离。
- 开关电源、逆变器及马达控制的信号传递与保护。
- 工业现场总线、传感器信号隔离、继电器或功率晶体管驱动。
- 医疗仪器或测试设备的地线隔离（需按相关标准确认整体方案）。
六、使用建议与注意事项
- 输入端应配合限流电阻，确保 LED 电流不超过 If=15mA 的额定值，同时可根据所需 CTR 适当调整。
- 输出侧加拉电阻或上拉电源时注意不超过工作电压 18V，并考虑输出电流 80 mA 的驱动能力与功耗散热。
- 在强干扰或高速切换环境中，善用旁路电容与合理走线以保证稳定传输。
- 设计时考虑隔离距离与爬电、耐压裕度，确保系统满足安全规范。
- 储存与焊接注意温度曲线，防止高温损伤光电元件；避免在带电或过压条件下反向驱动 LED。
总结：TLP2303（TPL,E(T)）以其高隔离电压、优秀的 CMTI、宽工作电压与较强输出能力，适合各种需要电气隔离、抗干扰与可靠传输的工业与消费电子应用。在设计中合理匹配驱动器件与外部元件、遵循热和电绝缘规范，即可发挥其稳健的隔离与传输性能。
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