TOP257P

Enhanced EcoSmart짰, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

Description TOPSwitch-HXcosteffectivelyincorporatesa700VpowerMOSFET,highvoltageswitchedcurrentsource,PWMcontrol,oscillator,thermalshutdowncircuit,faultprotectionandothercontrolcircuitryontoamonolithicdevice. ProductHighlights LowerSystemCost,HigherDesignFlexib

TOP257PG-TL

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

LowerSystemCost,HigherDesignFlexibility •Multi-modeoperationmaximizesefficiencyatallloads •NeweSIP-7FandeSIP-7Cpackages •Lowthermalimpedancejunction-to-case(2°Cperwatt) •Lowheightisidealforadapterswherespaceislimited •Simplemountingusingacliptoaidlow

TOP257PN

采用增强的EcoSmart技术的集成离线式开关，具有先进的特性和扩展的功率范围; 更低的系统成本，更高的设计灵活性\r\n• 多模式工作方式可实现在各种负载下的效率最大化\r\n• 基于PI在高功率和高可靠性封装方面的经验开发的全新eSIP-7C和eSIP-7F封装\r\n• P、G或M封装无需使用散热片最大输出功率可达35 W，230 VAC时最大输出功率达48 W\r\n• 输出过压保护(OVP)可由用户对锁存/非锁存关断功能进行编程，并可快速进行AC重置\r\n• 线电压欠压(UV)检测可以防止关机时的输出脉冲干扰\r\n• 线电压过压(OV)关断电路提高了对输入浪涌的耐受力\r\n• 精确可编程的电流限流\r\n• 优化的线电压前馈，用于抑制线电压纹波\r\n• 132 kHz的工作频率（254Y-258Y及所有的E封装）降低了变压器及电源的尺寸（在视频应用中可选择半频工作）\r\n• 严格的I2f参数容差降低了系统成本\r\n• 频率抖动降低了EMI滤波成本\r\n• 散热片连接到源极，可降低电磁干扰\r\n• 改进自动重启动功能，在短路及开环故障情况下输出功率小于最大功率的3%\r\n• 精确的迟滞热关断功能可自动恢复，无需重置\r\n• 完全集成的软启动最大程度降低了启动时的压力\r\n• 增加了漏极引脚与其他所有引脚之间的爬电距离，提高了现场应用可靠性\r\n\r\nEcoSmart® – 节能\r\n• 在整个负载范围内实现高效率\r\n• 空载功耗\r\n• 230 VAC时小于200 mW\r\n• 1 W输入时的待机功耗\r\n• 110 VAC输入时>600 mW\r\n• 265 VAC输入时>500 mW\r\n\r\n eSIP (E)封装（eSIP封装信息）\r\n• 较低的结-外壳热阻（每瓦2°C）\r\n• 较低高度适合空间狭小的适配器应用\r\n• 简单的夹片式散热片降低了制造成本\r\n• 在使用夹片式散热片的情况下，通过IEC 60068的冲击及振动测试\r\n• eSIP夹片和绑带制造商信息\r\n• 支持输出功率最高118 W的适配器应用（230 VAC时为177 W）\r\n• 外部流限调整及远程开/关控制\r\n• 电压监测引脚（OV、UV、线电压前馈、OVP、重置）\r\n• 可选开关频率(132/66 kHz);

TOPSwitch-HX在一个单片器件上集成了一个700 V的功率MOSFET、高压开关电流源、PWM控制器、振荡器、热关断电路、故障保护及其他控制电路。

TOP257PN

Enhanced EcoSmart?? Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

Description TOPSwitch-HXcosteffectivelyincorporatesa700VpowerMOSFET,highvoltageswitchedcurrentsource,PWMcontrol,oscillator,thermalshutdowncircuit,faultprotectionandothercontrolcircuitryontoamonolithicdevice. ProductHighlights LowerSystemCost,HigherDesignFlexib

TOP257PN

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

Description TOPSwitch-HXcosteffectivelyincorporatesa700VpowerMOSFET,highvoltageswitchedcurrentsource,PWMcontrol,oscillator,thermalshutdowncircuit,faultprotectionandothercontrolcircuitryontoamonolithicdevice. ProductHighlights LowerSystemCost,HigherDesignFlexib

TOP257PN

Enhanced EcoSmart짰, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

Description TOPSwitch-HXcosteffectivelyincorporatesa700VpowerMOSFET,highvoltageswitchedcurrentsource,PWMcontrol,oscillator,thermalshutdowncircuit,faultprotectionandothercontrolcircuitryontoamonolithicdevice. ProductHighlights LowerSystemCost,HigherDesignFlexib

TOP257PN

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

Description TOPSwitch-HXcosteffectivelyincorporatesa700VpowerMOSFET,highvoltageswitchedcurrentsource,PWMcontrol,oscillator,thermalshutdowncircuit,faultprotectionandothercontrolcircuitryontoamonolithicdevice. ProductHighlights LowerSystemCost,HigherDesignFlexib

TOP257PN

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

LowerSystemCost,HigherDesignFlexibility •Multi-modeoperationmaximizesefficiencyatallloads •NeweSIP-7FandeSIP-7Cpackages •Lowthermalimpedancejunction-to-case(2°Cperwatt) •Lowheightisidealforadapterswherespaceislimited •Simplemountingusingacliptoaidlow

TOP257PN/GN

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

LowerSystemCost,HigherDesignFlexibility •Multi-modeoperationmaximizesefficiencyatallloads •NeweSIP-7FandeSIP-7Cpackages •Lowthermalimpedancejunction-to-case(2°Cperwatt) •Lowheightisidealforadapterswherespaceislimited •Simplemountingusingacliptoaidlow

TOP257PNSLASHGN

Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

LowerSystemCost,HigherDesignFlexibility •Multi-modeoperationmaximizesefficiencyatallloads •NeweSIP-7FandeSIP-7Cpackages •Lowthermalimpedancejunction-to-case(2°Cperwatt) •Lowheightisidealforadapterswherespaceislimited •Simplemountingusingacliptoaidlow