高壓線性驅(qū)動

MT7626是一款高效率支持可控硅調(diào)光的線性LED恒流驅(qū)動芯片。MT7626支持前/后沿調(diào)光器，輸出電流精度高，且沒有EMI問題。MT7626外圍電路十分精簡，輸出電流可由外置電阻RSET靈活設置，可廣泛應用于市電輸入的高功率因數(shù)的各類光源及燈具驅(qū)動。\n\nMT7626內(nèi)置效率提高電路，通過美芯晟科技專利的控制算法，實現(xiàn)了良好的可控硅調(diào)光器兼容性，并可達到84%的系統(tǒng)效率。內(nèi)置線性補償電路，輸出電流具有良好的線性調(diào)整率，且MT7626具有外部擴流芯片（MT7623）驅(qū)動端口，可配置外部擴流芯片，從而提高單顆芯片所支持的功率。\n\nMT7626內(nèi)置過溫調(diào)節(jié)功能。當芯片溫度過高時，自動 ? 寬范圍的可控硅調(diào)光兼容性\n? 支持前/后沿調(diào)光器\n? 系統(tǒng)效率高達84%\n? 具有外部擴流芯片驅(qū)動端口，可提高單顆芯片所支持的功率\n? 良好的線性調(diào)整率\n? 內(nèi)置高壓啟動電路\n? 無VCC電容，方案成本極低\n? 無需磁性元件\n? ±5% LED輸出電流精度\n? LED電流可外部設定\n? 過溫調(diào)節(jié)功能\n? ESOP8封裝;

Maxic

美芯晟

High Efficiency, TRIAC Dimmable Linear Constant Current LED Driver

文件：80.93 Kbytes 頁數(shù)：1 Pages

MAXIC

美芯晟

PFC Controller with Integrated 600 V MOSFET and Diode Option Optimized for High PF and Efficiency Across Load Range

Key Benefits ? High efficiency and power factor across load range ? >95 efficiency from 10 load to 100 load ? 0.95 achievable at 20 load for H and L packages ? Programmable Power Good (PG) signal ? Digital line peak detection for robust performance

文件：4.113399 Mbytes 頁數(shù)：38 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

PFC Controller with Integrated 600 V MOSFET and Diode Option Optimized for High PF and Efficiency Across Load Range

Key Benefits ? High efficiency and power factor across load range ? >95 efficiency from 10 load to 100 load ? 0.95 achievable at 20 load for H and L packages ? Programmable Power Good (PG) signal ? Digital line peak detection for robust performance

文件：4.113399 Mbytes 頁數(shù)：38 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

PFC Controller with Integrated 600 V MOSFET and Diode Option Optimized for High PF and Efficiency Across Load Range

Key Benefits ? High efficiency and power factor across load range ? >95 efficiency from 10 load to 100 load ? 0.95 achievable at 20 load for H and L packages ? Programmable Power Good (PG) signal ? Digital line peak detection for robust performance

文件：4.113399 Mbytes 頁數(shù)：38 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司