APFC非隔离AC-DC

MT7855BS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。MT7855B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。\nMT7855BS通过内部集成的高压供电电路供电，无需启动电阻和供电二极管。MT7855B内置补偿电路，节省了COMP管脚及COMP电容。MT7855B通过内部集成THD补偿电路，可以满足更低THD需求。\nMT7855BS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600V高压MOSFET，精简了外围电路。\n \n  • 单级功率因数调制（PF>0.9）\n• 高压供电，无需启动电阻及供电电路\n• 内置补偿电路，无需COMP电容\n• 集成THD补偿电路，THD<15%\n• 高次谐波失真抑制\n• 高精度的LED输出电流 (±3%) \n• 优异的线性调整度和负载调整度 (±2%) \n• 准谐振工作模式 \n• 多重保护机制\n• SOP7封装;

Non-isolated APFC BUCK LED Driver

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Very High Resolution CRT Display Synchronization

Very High Resolution CRT Display Synchronization

10-BIT, 25 MSPS, 135 mW A/D CONVERTER

GENERAL DESCRIPTION The SPT7855 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of minimum word rates of 25 MSPS. The on-chip track-and-hold function assures very good dynamic performance without the need for external components. The input drive requirements a

10-BIT, 25 MSPS, 135 mW A/D CONVERTER

GENERAL DESCRIPTION The SPT7855 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of minimum word rates of 25 MSPS. The on-chip track-and-hold function assures very good dynamic performance without the need for external components. The input drive requirements a

10-BIT, 25 MSPS, 135 mW A/D CONVERTER

GENERAL DESCRIPTION The SPT7855 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of minimum word rates of 25 MSPS. The on-chip track-and-hold function assures very good dynamic performance without the need for external components. The input drive requirements a

10-BIT, 25 MSPS, 135 mW A/D CONVERTER

GENERAL DESCRIPTION The SPT7855 is a 10-bit monolithic, low-cost, ultralow-power analog-to-digital converter capable of minimum word rates of 25 MSPS. The on-chip track-and-hold function assures very good dynamic performance without the need for external components. The input drive requirements a