隔離AC-DC

MT7944D是針對(duì)LED照明應(yīng)用而設(shè)計(jì)的驅(qū)動(dòng)開關(guān)電源，采用無輔助繞組的原邊反饋技術(shù)，無需次級(jí)反饋電路，也無需補(bǔ)償電路。內(nèi)部集成600V高壓功率開關(guān)，可調(diào)LED開路保護(hù)(OVP)使得系統(tǒng)方案簡(jiǎn)潔可靠。\nMT7944D采用美芯晟專利的恒流控制與補(bǔ)償技術(shù)，LED輸出電流精度達(dá)到±3%以內(nèi)，具有優(yōu)異的線性調(diào)整率和負(fù)載調(diào)整率，且對(duì)變壓器繞組電感變化不敏感。\nMT7944D同時(shí)實(shí)現(xiàn)了各種保護(hù)功能，包括逐周期過流保護(hù)(OCP)、LED短路保護(hù)(SCP)、LED開路保護(hù)(OVP)和過熱調(diào)節(jié)(OTR)等，以確保系統(tǒng)可靠地工作。\n ? 內(nèi)部集成600V功率管\n? 無需輔助繞組\n? 防潮可調(diào)LED開路保護(hù)\n? 交流輸入電壓范圍AC85V到AC265V\n? LED短路保護(hù)\n? 原邊感應(yīng)及恒流機(jī)制，無需次級(jí)反饋電路\n? 高精度LED恒流電流 (±3%)?\n? 逐周期峰值電流控制\n? 欠壓鎖定保護(hù)（UVLO）\n? 過熱調(diào)節(jié)(OTR)\n? 續(xù)流二極管開路/短路保護(hù)\n? DIP7封裝;

Maxic

美芯晟

High Precision, Dual Winding PSR AC-DC LED Driver

文件：154.94 Kbytes 頁(yè)數(shù)：1 Pages

MAXIC

美芯晟

3mW, 100kSPS, 14-Bit ADC in 6-Lead SOT-23

GENERAL DESCRIPTION The AD79401 is a 14-bit, fast, low power, successive approximation ADC. The part operates from a single 2.50 V to 5.5 V power supply and features throughput rates up to 100 kSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequ

文件：480.47 Kbytes 頁(yè)數(shù)：20 Pages

AD

亞德諾

1 nV/??z, Low Power, Rail-to-Rail Output Amplifiers

文件：515.789 Kbytes 頁(yè)數(shù)：28 Pages

AD

亞德諾

14-Bit, 2.5 MSPS, PulSAR 15.5 mW ADC in LFCSP

GENERAL DESCRIPTION The AD79441 is a 14-bit, 2.5 MSPS successive approximation analog-to-digital converter (SAR ADC). It contains a low power, high speed, 14-bit sampling ADC, an internal conversion clock, an internal reference (and buffer), error correction circuits, and a versatile serial inter

文件：582.73 Kbytes 頁(yè)數(shù)：28 Pages

AD

亞德諾