Non-isolated APFC BUCK LED Driver

DESCRIPTION The MT7844S is a high-PF, non-isolate LED Driver IC. The floating-ground, high-side BUCK topology makes full wave detection possible. High precision output current is achieved. MT7844S works in Quasi-Resonant Mode (QRM), which improves both of efficiency and EMI performance. The

文件：263.42 Kbytes 页数：2 Pages

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美芯晟

Non-isolated APFC BUCK LED Driver

文件：155.18 Kbytes 页数：1 Pages

MAXIC

美芯晟

Non-isolated APFC BUCK LED Driver

DESCRIPTION The MT7844S is a high-PF, non-isolate LED Driver IC. The floating-ground, high-side BUCK topology makes full wave detection possible. High precision output current is achieved. MT7844S works in Quasi-Resonant Mode (QRM), which improves both of efficiency and EMI performance. The

文件：263.42 Kbytes 页数：2 Pages

MAXIC

美芯晟

APFC非隔离AC-DC

MT7844S是一款高功率因数、非隔离LED驱动芯片。 它通过采用浮地、高端检测，降压式开关电源的架构实现了全周期检测。通过内部集成的高压供电电路，MT7844S节省了启动电阻和供电二极管，从而节省了成本。 MT7844S工作在准谐振模式，同时使效率和抗电磁干扰的性能都得到提升。\nMT7844S内部集成了多重的保护功能，比如过压保护、过流保护、过温补偿等等，提高了可靠性，并且所有保护均具体自恢复功能。内置550V高压MOSFET，精简了外围电路。 • 单级功率因数调制（PF>0.9）\n• 高压供电，无需启动及供电电路\n• 高精度LED输出电流 (±3%) \n• 优异的线性和负载调整度 (±2%) \n• 准谐振工作模式 \n• 多重保护机制\n• SOP7封装;

Maxic

美芯晟