TLP627中文资料

LNK626PG 电源IC中文资料LNK623-626 LinkSwitch-CV产品系列 September 2009 带初级侧精确恒压(CV)控制的高能效、离线式开关IC产品特色：大大简化恒压转换器的设计•省去光耦器和所有次级侧恒压控制电路•省去偏置绕组电源－IC自偏置先进的性能特性：补偿外围元件的温度漂移•专利的IC参数调整技术使得IC参数的公差非常严格•连续和／或非连续导通模式工作，增强设计灵活性•频率调制技术极大降低了EMI滤波元件的成本•通过外部电阻的选择／调节实现更严格的输出容差。

先进的保护／安全特性：自动重启动保护功能在输出短路及控制环路故障（元件开路和短路）状况下可将输出功率降低95%以上•迟滞热关断–自动恢复功能可降低电源从故障现场的回收•无论在PCB板上还是在封装上，都保证高压漏极与其它所有引脚之间满足高压爬电要求。

EcoSmart® –高效节能：在230 V AC输入条件下空载功耗低于200 mW，使用可选外部偏置绕组时可低于70 mW •无需增加任何元件，轻松满足全球所有的节能标准•开／关控制可在极轻负载时具备恒定的效率–是达到强制性EISA 和能源之星2.0标准的理想选择•无需初级或次级电流检测电阻，即可提高效率。

绿色封装：无卤素和符合RoHS要求的封装。

应用：DVD/机顶盒•适配器•待机及辅助电源•家用电器、白色家电和消费电子产品•工业控制。

描述：LinkSwitch-CV采用了革新的控制技术，无需光耦器和次级恒压控制电路，且能提供极为严格的输出电压调节，因此可大大简化低功率恒压(CV)转换器的设计。

专利的IC参数调整技术与E-Shield™变压器结构技术的完美结合，令使用LinkSwitch-CV LNK623/4进行Clampless™设计成为可能。

图1. 典型应用电路图(a)及输出特性包络(b) *可选用LNK623-624PG/DG。

（有关箝位及其他外部电路设计的注意事项，请参阅“主要应用指南”部分）LinkSwitch-CV*Wide RangeHV DC InputPI-5195-080808DSFBBP(a) Typical Application Schematic(b) Output CharacteristicIOVO±5%Auto-RestartPI-5196-080408LinkSwitch-CV能够对多路输出反激式电源应用（如DVD和机顶盒）提供出色的交叉稳压。

TLP112A东芝小型扁平耦合器TLP112A是一个小外型耦合器，适用于贴片安装。

TLP112A包含一个高输出功率的砷化镓铝发光二极管，该二极管光耦合到一个高速单片光电晶体管探测器。

TLP112A（P112A）特性•隔离电压：2500Vrms（最小）•转换速率：tpHL=0.8μs,tpLH=0.8μs（最大）（R L=1.9kΩ）•兼容TTL•UL 认证：UL1577,file no.E67349TLP112A（P112A）应用•晶体管逆变器•数字逻辑隔离•线路接收器•电源控制，反馈控制•开关式电源TLP113A 概述：东芝小型扁平耦合器TLP113是一个小外型耦合器，适用于贴片安装。

TLP113（包含一个高输出功率的砷化镓铝发光二极管，该二极管光耦合到一个高增益，高速单片光探测器。

探测器的输出为肖特基钳位晶体管，集电极开路输出。

TLP113A 特性：•输入电流阀值：IF=10mA（最大）•转换速度：10MBd（典型值）•兼容TTL / LSTTL：Vcc=5V•性能保证温度范围：0～70℃•隔离电压：2500Vrms（最小）•UL 认证：UL1577 file no.E67349TLP113A 应用：•隔离线路接收器•单/多路数据传输•计算机外设接口•微处理器系统接口•A/D,D/A转换数字隔离TLP114A东芝小型扁平耦合器TLP114A是一个小外型耦合器，适用于贴片安装。

TLP114A含有一个高输出功率的砷化镓铝发光二极管，该二极管光耦合到一个高速单片光电晶体管探测器。

TLP114A 特性•隔离电压：3750Vrms（最小）•转换速率：tpHL=0.8μs,tpLH=0.8μs（最大）（RL=1.9kΩ）•兼容TTL UL•认证：UL1577,file no.E67349TLP114A 应用•数字逻辑隔离•线路接收器•电源控制，反馈控制•开关式电源•晶体管逆变器TLP115A 概述：东芝小型扁平耦合器TLP115A是一个小外型耦合器，适用于贴片安装。

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