可控硅调光

MT7896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-BOOST LED电源系统。MT7896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MT7896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。\nMT7896芯片内置600V高压功率MOS管,外围电路简单，系统成本低。\nMT7896同时实现了 • 兼容可控硅调光\n• 支持高PF应用，PF达到0.8以上\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• 内置600V功率MOS管\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• SOP7封装;

Maxic

美芯晟

TRIAC Dimmable Constant Current LED Driver

文件：146.13 Kbytes 页数：1 Pages

MAXIC

美芯晟

2.7 V to 5.5 V, 12-Bit, 8 us ADC in 8-Pin SO/DIP

GENERAL DESCRIPTION The AD7896 is a fast, 12-bit ADC that operates from a single 2.7 V to 5.5 V supply and is housed in small 8-lead PDIP and 8-lead SOIC packages. The part contains an 8 µs successive approximation ADC, an on-chip track-and-hold amplifier, an on-chip clock, and a high speed seria

文件：367.76 Kbytes 页数：12 Pages

AD

亚德诺

2.7 V to 5.5 V, 12-Bit, 8 us ADC in 8-Pin SO/DIP

GENERAL DESCRIPTION The AD7896 is a fast, 12-bit ADC that operates from a single 2.7 V to 5.5 V supply and is housed in small 8-lead PDIP and 8-lead SOIC packages. The part contains an 8 µs successive approximation ADC, an on-chip track-and-hold amplifier, an on-chip clock, and a high speed seria

文件：367.76 Kbytes 页数：12 Pages

AD

亚德诺

2.7 V to 5.5 V, 12-Bit, 8 us ADC in 8-Pin SO/DIP

GENERAL DESCRIPTION The AD7896 is a fast, 12-bit ADC that operates from a single 2.7 V to 5.5 V supply and is housed in small 8-lead PDIP and 8-lead SOIC packages. The part contains an 8 µs successive approximation ADC, an on-chip track-and-hold amplifier, an on-chip clock, and a high speed seria

文件：367.76 Kbytes 页数：12 Pages

AD

亚德诺