TOP254GN

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

TOP254GN

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

TOP254GN

采用增強(qiáng)的EcoSmart技術(shù)的集成離線式開關(guān)，具有先進(jìn)的特性和擴(kuò)展的功率范圍; 更低的系統(tǒng)成本，更高的設(shè)計(jì)靈活性\r\n? 多模式工作方式可實(shí)現(xiàn)在各種負(fù)載下的效率最大化\r\n? 基于PI在高功率和高可靠性封裝方面的經(jīng)驗(yàn)開發(fā)的全新eSIP-7C和eSIP-7F封裝\r\n? P、G或M封裝無需使用散熱片最大輸出功率可達(dá)35 W，230 VAC時最大輸出功率達(dá)48 W\r\n? 輸出過壓保護(hù)(OVP)可由用戶對鎖存/非鎖存關(guān)斷功能進(jìn)行編程，并可快速進(jìn)行AC重置\r\n? 線電壓欠壓(UV)檢測可以防止關(guān)機(jī)時的輸出脈沖干擾\r\n? 線電壓過壓(OV)關(guān)斷電路提高了對輸入浪涌的耐受力\r\n? 精確可編程的電流限流\r\n? 優(yōu)化的線電壓前饋，用于抑制線電壓紋波\r\n? 132 kHz的工作頻率（254Y-258Y及所有的E封裝）降低了變壓器及電源的尺寸（在視頻應(yīng)用中可選擇半頻工作）\r\n? 嚴(yán)格的I2f參數(shù)容差降低了系統(tǒng)成本\r\n? 頻率抖動降低了EMI濾波成本\r\n? 散熱片連接到源極，可降低電磁干擾\r\n? 改進(jìn)自動重啟動功能，在短路及開環(huán)故障情況下輸出功率小于最大功率的3%\r\n? 精確的遲滯熱關(guān)斷功能可自動恢復(fù)，無需重置\r\n? 完全集成的軟啟動最大程度降低了啟動時的壓力\r\n? 增加了漏極引腳與其他所有引腳之間的爬電距離，提高了現(xiàn)場應(yīng)用可靠性\r\n\r\nEcoSmart? – 節(jié)能\r\n? 在整個負(fù)載范圍內(nèi)實(shí)現(xiàn)高效率\r\n? 空載功耗\r\n? 230 VAC時小于200 mW\r\n? 1 W輸入時的待機(jī)功耗\r\n? 110 VAC輸入時>600 mW\r\n? 265 VAC輸入時>500 mW\r\n\r\n eSIP (E)封裝（eSIP封裝信息）\r\n? 較低的結(jié)-外殼熱阻（每瓦2°C）\r\n? 較低高度適合空間狹小的適配器應(yīng)用\r\n? 簡單的夾片式散熱片降低了制造成本\r\n? 在使用夾片式散熱片的情況下，通過IEC 60068的沖擊及振動測試\r\n? eSIP夾片和綁帶制造商信息\r\n? 支持輸出功率最高118 W的適配器應(yīng)用（230 VAC時為177 W）\r\n? 外部流限調(diào)整及遠(yuǎn)程開/關(guān)控制\r\n? 電壓監(jiān)測引腳（OV、UV、線電壓前饋、OVP、重置）\r\n? 可選開關(guān)頻率(132/66 kHz);

TOPSwitch-HX在一個單片器件上集成了一個700 V的功率MOSFET、高壓開關(guān)電流源、PWM控制器、振蕩器、熱關(guān)斷電路、故障保護(hù)及其他控制電路。

TOP254GN-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

TOP254LG-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

TOP254LN-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

TOP254MG-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

TOP254MN

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

TOP254MN

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

TOP254MN

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