可控硅调光

MT7890是一款工作于零电流导通，峰值电流关断的临界导通模式（CRM， Critical Conduction Mode）高精度LED恒流控制芯片，主要应用于BUCK，Fly-back LED电源系统。MT7890支持高功率因数的应用，PF可达到0.8以上。\n临界导通模式确保了MT7890可以控制功率开关在电感电流为零时刻开启，减小了功率管的开关损耗。电感电流临界导通控制模式结合母线电压补偿，确保了输出LED电流的高精度，并且具有良好的线性调整率和负载调整率。对电感量变化不敏感，可以使用工字电感。MT7890芯片外置高压功率MOS管,可根据输出需求进行选择。外围电路简单，系统成本低。\nM • 兼容可控硅调光\n• 支持高PF应用\n• 宽范围的调光兼容性\n• 调光深度可低于1%\n• 调光曲线符合NEMA SSL6标准\n• 高精度LED恒流电流\n• 逐周期峰值电流控制\n• LED短路保护\n• LED可调开路保护\n• 欠压锁定保护(UVLO)\n• 过热自动调节\n• SOP8封装;

TRIAC Dimmable Constant Current LED Driver

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RGB Cutoff Adjustment IC

Overview The LA7890 is a DC-controlled, CRT display RGB cutoff adjustment IC. It can be used for a wide range of applications, regardless of whether they employ a Trinitron tube or a dot-matrix tube display. Features • DC control • Temperature drift stability • 100 V maximum supply voltage F

POWER ZENERS

DESCRIPTION Fused-in-glass, metallurgically bonded 6 watt leaded zeners and 10 watt stud-type- zeners. FEATURES ● High Surge Rating ● Small Physical Size ● Leaded and Stud Packages Available

16-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE

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14-BIT, 1.25-MSPS LOW POWER SAR ANALOG-TO-DIGITAL CONVERTER

文件：352.76 Kbytes Page：25 Pages

14-BIT, 1.25-MSPS LOW POWER SAR ANALOG-TO-DIGITAL CONVERTER

文件：352.76 Kbytes Page：25 Pages