Highly Energy Efficient Off-line Switcher IC with Integrated System Level Protection for Low Component-Count Power Supplies

Highest Performance and Design Flexibility ? Supports buck, buck-boost and flyback topologies ? Excellent load and line regulation ? Selectable device current limit ? 66 kHz operation with accurate current limit ? Allows the use of low-cost off-the-shelf inductors ? Reduces size and cost of

文件：2.50738 Mbytes 頁數(shù)：28 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

集成了系統(tǒng)級保護(hù)的高能效 725 V / 900 V MOSFET 離線式開關(guān)電源IC可實現(xiàn)低元件數(shù)的電源設(shè)計

LinkSwitch-TN2系列IC適用于非隔離離線式電源，與傳統(tǒng)的線性或阻容降壓式方案相比性能有大幅提升。采用高集成度的LinkSwitch-TN2 IC的設(shè)計具有更大的適用性，并且具有更高的效率、更全面的系統(tǒng)級保護(hù)和更高的可靠性。該產(chǎn)品系列支持降壓式、降壓-升壓式和反激式變換器拓?fù)浣Y(jié)構(gòu)。每個器件在一個單片IC上集成了一個725 V / 900 V的功率MOSFET、振蕩器、可實現(xiàn)最高輕載效率的開/關(guān)控制、一個給IC實現(xiàn)自供電的高壓開關(guān)電流源、頻率調(diào)制、快速（逐周期）電流限制、遲滯熱關(guān)斷以及輸出和輸入過壓保護(hù)電路。\n\n LinkSwitch-TN2 IC在待機(jī)模式下消耗極小的電流， 性能特點及設(shè)計適用性\n? 支持降壓式、降壓-升壓式和反激式拓?fù)浣Y(jié)構(gòu)\n? 元件數(shù)量非常少的降壓式變換器\n? 出色的負(fù)載調(diào)整率和輸入電壓調(diào)整率\n? 可選的器件限流點\n? 66 kHz工作頻率，且具有精確的限流點\n? 允許使用市售現(xiàn)成的低成本電感\(zhòng)n? 可縮減電感和電容的尺寸和成本\n? 頻率調(diào)制技術(shù)可降低EMI濾波電路的復(fù)雜度\n? 引腳布局利于PCB板上的散熱設(shè)計\n\n增強(qiáng)的安全及可靠性能\n? 輸出過壓保護(hù)(OVP)\n? 輸入過壓保護(hù)(OVL)\n? 遲滯過熱保護(hù)(OTP)\n? 擴(kuò)大了漏極與其它引腳間的爬電距離，提高了應(yīng)用的可靠性\n? 集成725 V額定電壓MOSFET，具;

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Highly Energy Efficient Off-line Switcher IC with Integrated System Level Protection for Low Component-Count Power Supplies

Highest Performance and Design Flexibility ? Supports buck, buck-boost and flyback topologies ? Excellent load and line regulation ? Selectable device current limit ? 66 kHz operation with accurate current limit ? Allows the use of low-cost off-the-shelf inductors ? Reduces size and cost of

文件：2.50738 Mbytes 頁數(shù)：28 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

Highly Energy Efficient Switcher IC

Application ? Auxiliary power supplies for automotive HVAC, climate control, DC/DC converter, and onboard charger ? Emergency power supply for traction inverter Description The LinkSwitch?-TN2 family of ICs for automotive power supplies provide significant reduction in component count compar

文件：1.42749 Mbytes 頁數(shù)：17 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

Highly Energy Efficient Off-line Switcher IC with Integrated System Level Protection for Low Component-Count Power Supplies

Highest Performance and Design Flexibility ? Supports buck, buck-boost and flyback topologies ? Excellent load and line regulation ? Selectable device current limit ? 66 kHz operation with accurate current limit ? Allows the use of low-cost off-the-shelf inductors ? Reduces size and cost of

文件：2.50738 Mbytes 頁數(shù)：28 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司