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

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。\n\n LinkSwitch-TN2 IC在待机模式下消耗极小的电流， 性能特点及设计适用性\n• 支持降压式、降压-升压式和反激式拓扑结构\n• 元件数量非常少的降压式变换器\n• 出色的负载调整率和输入电压调整率\n• 可选的器件限流点\n• 66 kHz工作频率，且具有精确的限流点\n• 允许使用市售现成的低成本电感\n• 可缩减电感和电容的尺寸和成本\n• 频率调制技术可降低EMI滤波电路的复杂度\n• 引脚布局利于PCB板上的散热设计\n\n增强的安全及可靠性能\n• 输出过压保护(OVP)\n• 输入过压保护(OVL)\n• 迟滞过热保护(OTP)\n• 扩大了漏极与其它引脚间的爬电距离，提高了应用的可靠性\n• 集成725 V额定电压MOSFET，具;

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

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 页数：17 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