集成了系统级保护的高能效 725 V / 900 V MOSFET 离线式开关电源IC可实现低元件数的电源设计

LinkSwitch™-TN2系列IC适用于非隔离离线式电源，与传统的线性或阻容降压式方案相比性能有大幅提升。采用高集成度的LinkSwitch-TN2 IC的设计具有更大的适用性，并且具有更高的效率、更全面的系统级保护和更高的可靠性。该产品系列支持降压式、降压-升压式和反激式变换器拓扑结构。每个器件在一个单片IC上集成了一个725 V / 900 V的功率MOSFET、振荡器、可实现最高轻载效率的开/关控制、一个给IC实现自供电的高压开关电流源、频率调制、快速（逐周期）电流限制、迟滞热关断以及输出和输入过压保护电路。\r\n\n LinkSwitch-TN2 IC在待机模式下消耗极小的 性能特点及设计适用性\r\n• 支持降压式、降压-升压式和反激式拓扑结构\r\n• 元件数量非常少的降压式变换器\r\n• 出色的负载调整率和输入电压调整率\r\n• 可选的器件限流点\r\n• 66 kHz工作频率，且具有精确的限流点\r\n• 允许使用市售现成的低成本电感\r\n• 可缩减电感和电容的尺寸和成本\r\n• 频率调制技术可降低EMI滤波电路的复杂度\r\n• 引脚布局利于PCB板上的散热设计\r\n\r\n增强的安全及可靠性能\r\n• 输出过压保护(OVP)\r\n• 输入过压保护(OVL)\r\n• 迟滞过热保护(OTP)\r\n• 扩大了漏极与其它引脚间的爬电距离，提高;

PI

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 页数：28 Pages

POWERINTPower Integrations, Inc.

荷兰帕沃英蒂格盛有限公司

Package：8-SOIC（0.154"，3.90mm 宽），7 引线；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 类别：集成电路（IC） AC DC 转换器，离线开关 描述：IC OFFLINE SWITCH MULT TOP 8SO

Power Integrations

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 页数：28 Pages

POWERINTPower Integrations, Inc.

荷兰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 页数：28 Pages

POWERINTPower Integrations, Inc.

荷兰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 页数：28 Pages

POWERINTPower Integrations, Inc.

荷兰帕沃英蒂格盛有限公司