WMSIC Electronic Components

LITEON LTV-5314-TP1

ModelLTV-5314-TP1
PackageSMD-5P
BrandLITEON
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LITEON LTV-5314-TP1
Type
LITEON
Minimum package
3000 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LITEON
Electronic Component
LTV-5314-TP1
Electronic Component
1
Package
SMD-5P
Electronic Component
Gate Driver Optocoupler
Electronic Component
0.24g
Electronic Component
1
Channel Count
1
CMTI(kV/us)
35kV/us
Features
Output
Electronic Component
BM0227695557
Operating Temperature
40℃~+110℃
Load Type
IGBT;MOSFET
(tr)
20ns
(tf)
25ns

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

LTV-5314-TP1 贴片光耦产品概述

LTV-5314-TP1 是来自 LITEON(台湾光宝)的一款单通道贴片光电隔离驱动器,面向功率器件门极驱动应用设计。该器件结合了高隔离电压、较强的抗共模瞬变能力和能够驱动 IGBT/MOSFET 的峰值输出能力,适用于开关电源、电机驱动、逆变器等需要隔离与快速门极驱动的场合。

一、主要性能概览

  • 隔离等级:Vrms 5 kV(高电压隔离,符合常见工业级隔离要求)
  • 通道数:1(单通道输出)
  • 驱动侧工作电压(输出电源):10 V ~ 30 V(适配常见门极驱动电压范围)
  • 工作温度范围:-40 ℃ ~ +110 ℃(工业级温度范围)
  • 传播延迟:tpLH ≈ 150 ns;tpHL ≈ 150 ns(对称延迟,适合要求延时可控的驱动场合)
  • 峰值输出电流:1.5 A(短时脉冲能力,能快速给门极充放电)
  • CMTI(抗共模瞬态): 35 kV/μs(优良的抗 dv/dt 能力,适应高开关速度)
  • 封装:SMD-5P(贴片五引脚封装,便于 PCB 自动化装配)
  • 典型负载:IGBT / MOSFET 门极驱动

二、功能与应用场景

  • 用途:将低压逻辑信号通过光隔离方式驱动高侧或低侧功率器件门极,既实现电气隔离又提供较强的瞬时驱动能力。
  • 典型应用:
    • 逆变器与变频器门极驱动
    • 太阳能逆变与储能系统
    • 开关电源(SMPS)和有源桥臂驱动
    • 工业电机控制与伺服驱动
  • 适用场景关键点:高 dv/dt 环境下仍能保持稳定触发(得益于 35 kV/μs 的 CMTI);短脉冲大电流输出可快速控制门极电荷。

三、设计要点与使用建议

  • 电源与去耦:输出侧(驱动侧)须提供 10–30 V 的稳定 VCC,建议在 VCC 近旁放置 0.1 μF 陶瓷去耦与一个适当容量的电解/固态电容以稳定电源并抑制瞬态。
  • 门极限流:尽管器件能提供 1.5 A 峰值输出,仍应在门极串联合适的门阻(根据器件、布局与 EMI 要求)来限制 di/dt、抑制振铃并保护驱动器与功率器件。
  • 高侧驱动注意:若用于高侧驱动,需配合浮动供电或自举电路,确保输出侧電源与被驱动器的浮动参考正确。
  • PCB 布局:光耦输出回路应尽量短且粗的回流路径以降低寄生电感,输入侧与输出侧的高压隔离间应保留足够的爬电距离与绝缘槽(视最终应用电压与安规标准)。
  • 抗干扰:在高干扰环境(强开关、浪涌)下,建议在输入端加适当的缓冲或滤波,输出端可并联 RC 或 TVS 做吸收与保护。

四、可靠性与安全注意事项

  • 温度与功率退让:在高温环境下,驱动能力与长期可靠性受影响,设计时应考虑散热与功率退让(参考完整数据手册的热阻与功耗规格)。
  • 隔离老化:长期高压应力、湿热环境会影响绝缘性能,关键应用应遵循安规测试与定期验证。
  • 焊接与回流:遵守 LITEON 给出的回流焊温度曲线与存储/焊接注意事项,避免超温导致封装或光耦性能退化。
  • ESD 与浪涌:虽具一定抗扰度,但仍需在系统层面做好浪涌保护与 ESD 设计,避免输入端或输出端遭受超过器件承受范围的冲击。

五、封装与选型提示

  • 封装形式:SMD-5P,适合自动贴装生产线;购买时确认封装版本(-TP1 后缀)与管脚定义。
  • 选型建议:若需多通道或更高输出电流/更低延迟的需求,可参考 LITEON 的其他型号或同类厂商产品;对安规有更高要求时,确认器件通过的认证及实际测试条件(测试时间、波形等)。

总结:LTV-5314-TP1 以其 5 kV 隔离能力、35 kV/μs 的 CMTI 与 1.5 A 峰值驱动能力,成为工业级门极驱动隔离方案中的实用选择。设计时重视电源去耦、门极限流与 PCB 布局,可在高 dv/dt 的功率电路中实现可靠、快速的开关控制。欲获得详细电气特性曲线、引脚定义及热参数,请参照 LITEON 官方数据手册。

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