APFC非隔離AC-DC

MT7865是一款高功率因數(shù)降壓型LED驅(qū)動芯片。工作在準(zhǔn)諧振模式（QRM），大大降低了電流和電壓的應(yīng)力，同時使效率和抗電磁干擾的性能都得到提升。利用美芯晟特有的準(zhǔn)全周期檢測專利技術(shù)對LED輸出電流進(jìn)行檢測，確保了LED輸出電流的精度。\n\nMT7865通過解碼PWM信號實(shí)現(xiàn)調(diào)節(jié)LED電流，從而實(shí)現(xiàn)智能調(diào)光。通過內(nèi)部微調(diào)解碼器實(shí)現(xiàn)LED電流的高精度和一致性。尤其在調(diào)光等級較低時，PWM控制方法從準(zhǔn)諧振模式無縫地轉(zhuǎn)入脈沖頻率調(diào)制模式（PFM），從而保證了較小的輸出電流和低開關(guān)損耗。另外，MT7865同時實(shí)現(xiàn)了各種保護(hù)功能，包括LED開路保護(hù)（OVP）、逐周期過流保護(hù)(OCP)、LED短路保護(hù)( ? 內(nèi)置600V高壓MOSFET\n? 單級有源功率因數(shù)校正 (PFC > 0.90)\n? LED 電流精度高 (±3%)\n? 優(yōu)異的線性調(diào)整度和負(fù)載調(diào)整度(±2%)\n? 準(zhǔn)諧振工作模式 (QRM)\n? 多重保護(hù)機(jī)制\n? PWM 調(diào)光 (100:1)\n? 封裝: DIP8;

Maxic

美芯晟

PWM Dimmable APFC BUCK LED Driver

文件：185.15 Kbytes 頁數(shù)：1 Pages

MAXIC

美芯晟

Area Array Charge-Coupled Device(CCD) Image Sensors

文件：841.98 Kbytes 頁數(shù)：7 Pages

ETCList of Unclassifed Manufacturers

未分類制造商

Four-Channel, Simultaneous Sampling, Fast, 14-Bit ADC

GENERAL DESCRIPTION The AD7865 is a fast, low power, four-channel simultaneous sampling 14-bit A/D converter that operates from a single 5 V supply. The part contains a 2.4 μs successive approximation ADC, four track/hold amplifiers, 2.5 V reference, on-chip clock oscillator, signal conditioning

文件：195.34 Kbytes 頁數(shù)：19 Pages

AD

亞德諾

Four-Channel, Simultaneous Sampling, Fast, 14-Bit ADC

GENERAL DESCRIPTION The AD7865 is a fast, low power, four-channel simultaneous sampling 14-bit A/D converter that operates from a single 5 V supply. The part contains a 2.4 μs successive approximation ADC, four track/hold amplifiers, 2.5 V reference, on-chip clock oscillator, signal conditioning

文件：197.75 Kbytes 頁數(shù)：19 Pages

AD

亞德諾

Four-Channel, Simultaneous Sampling, Fast, 14-Bit ADC

GENERAL DESCRIPTION The AD7865 is a fast, low power, four-channel simultaneous sampling 14-bit A/D converter that operates from a single 5 V supply. The part contains a 2.4 μs successive approximation ADC, four track/hold amplifiers, 2.5 V reference, on-chip clock oscillator, signal conditioning

文件：197.75 Kbytes 頁數(shù)：19 Pages

AD

亞德諾