WMSIC Electronic Components

TLP5701(D4-TP4,E(T TLP5701

ModelTLP5701(D4-TP4,E(T
PackageSO-6L
BrandTOSHIBA
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 Electronic Component

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TOSHIBA TLP5701(D4-TP4, E(T
Type
TOSHIBA
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TOSHIBA
Electronic Component
TLP5701(D4-TP4,E(T
Electronic Component
1
Package
SO-6L
Electronic Component
Logic Output Optocoupler
Electronic Component
0g
Electronic Component
1
Electronic Component
BM0228270000
Operating Temperature
40℃~+110℃
Type
DC
(Vf)
1.57V
Current(If)
10mA
Electronic Component
Electronic Component
Electronic Component
1500
Voltage(Vrms)
5kV

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

TLP5701(D4-TP4,E(T) 晶体管输出光耦 — 产品概述

一、产品简介

TLP5701 是东芝(TOSHIBA)生产的一款晶体管输出型光隔离器(光耦),封装为 SO-6L,内部由发光二极管(LED)与光敏晶体管耦合而成。器件用于在 DC 信号链路中实现电气隔离与电平移位,具有良好的隔离耐压与工作温度范围,适合工业与消费类电子中常见的接口隔离需求。

二、主要性能参数

  • 输入类型:DC(直流驱动)。
  • LED 正向压降(Vf):典型 1.57 V(给定测试电流)。
  • 推荐/额定正向电流(If):10 mA(作为常用驱动电流参考)。
  • 直流反向耐压(Vr):5 V(LED 反向耐压,注意勿超过)。
  • 隔离耐压(Vrms):5 kV(器件两端的交流工频绝缘耐压,可实现高等级的电气隔离)。
  • 工作温度范围:-40 ℃ 至 +110 ℃。
  • 封装:SO-6L,适合表面贴装(SMT)工艺。

以上参数为设计时的关键依据,实际电气参数(如 CTR、输出饱和电压 VCE(sat)、集电极-发射极耐压等)请以原厂数据手册为准。

三、典型应用场景

  • 微处理器与高压电路之间的数字信号隔离(开关量输入/输出)。
  • 开关电源反馈与初次级隔离回路。
  • 工业控制系统中的传感器信号隔离与干扰抑制。
  • 通信设备、计量与保护电路中需要高压隔离的场合。

四、应用设计建议

  • 驱动 LED:按照 Vf ≈ 1.57 V 与 If = 10 mA 进行限流电阻计算。例如在 5 V 系统中,限流电阻 R = (Vcc − Vf)/If = (5 − 1.57) / 0.01 ≈ 343 Ω,可选标准值 330 Ω 或 360 Ω。
  • 输出侧接口:晶体管输出通常为开集电极结构,需外接上拉电阻到目标逻辑电源。通用上拉值 4.7 kΩ 至 22 kΩ;若需更快响应可降低到 2.2 kΩ 或更小,但会增加功耗并影响输出饱和度。
  • 反向耐压保护:LED 反向耐压较低(Vr = 5 V),在可能出现反向电压环境下应并联反向二极管或限流措施以防损坏。
  • 提速手段:若要求较高的开关速度,可在输出端并联适当的旁路电阻或使用集电极负载较小的上拉电阻,同时关注 CTR 与输出饱和电压。

五、封装与可靠性注意

SO-6L 封装适合自动贴片与回流焊工艺。设计时应预留足够的爬电与空气间隙以配合 5 kVrms 的隔离需求;印制板布局上将高压侧与低压侧明确分区,避免污染物带来的表面泄漏。器件在 -40 ℃ 至 +110 ℃ 环境内可可靠工作,但长期高温应考虑热降额与寿命影响。

六、选型与注意事项

在最终选型前,确认数据手册中关键指标:CTR(光电流传输比)、输出饱和电压 VCE(sat)、集电极-发射极耐压、最大开关频率以及脉冲承受能力。根据系统要求选择合适的 If 工作点与上拉电阻,保证隔离等级、响应速度与长期可靠性之间的平衡。特殊应用(高速、精密模拟信号或高温环境)建议咨询厂方资料或选用专用高速或高隔离等级产品。

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