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MT7844S

APFC非隔離AC-DC; ? 單級功率因數(shù)調(diào)制（PF>0.9）\n? 高壓供電，無需啟動及供電電路\n? 高精度LED輸出電流 (±3%)?\n? 優(yōu)異的線性和負載調(diào)整度 (±2%)?\n? 準(zhǔn)諧振工作模式?\n? 多重保護機制\n? SOP7封裝\n;

MT7844S是一款高功率因數(shù)、非隔離LED驅(qū)動芯片。 它通過采用浮地、高端檢測，降壓式開關(guān)電源的架構(gòu)實現(xiàn)了全周期檢測。通過內(nèi)部集成的高壓供電電路，MT7844S節(jié)省了啟動電阻和供電二極管，從而節(jié)省了成本。 MT7844S工作在準(zhǔn)諧振模式，同時使效率和抗電磁干擾的性能都得到提升。\nMT7844S內(nèi)部集成了多重的保護功能，比如過壓保護、過流保護、過溫補償?shù)鹊?，提高了可靠性，并且所有保護均具體自恢復(fù)功能。內(nèi)置550V高壓MOSFET，精簡了外圍電路。

MT7844S

Non-isolated APFC BUCK LED Driver

DESCRIPTION TheMT7844Sisahigh-PF,non-isolateLED DriverIC.Thefloating-ground,high-sideBUCK topologymakesfullwavedetectionpossible. Highprecisionoutputcurrentisachieved. MT7844SworksinQuasi-ResonantMode (QRM),whichimprovesbothofefficiencyand EMIperformance.The

MT7844S

Non-isolated APFC BUCK LED Driver

MT7844S_V01

Non-isolated APFC BUCK LED Driver

DESCRIPTION TheMT7844Sisahigh-PF,non-isolateLED DriverIC.Thefloating-ground,high-sideBUCK topologymakesfullwavedetectionpossible. Highprecisionoutputcurrentisachieved. MT7844SworksinQuasi-ResonantMode (QRM),whichimprovesbothofefficiencyand EMIperformance.The

MT7844Y

Non-isolatedAPFCBuck-BoostLEDDriver

MV7844

SUPERBRIGHTT-1(3mm)LEDLAMP-WaterClear

SUPERBRIGHTT-1(3mm)LEDLAMP-WaterClear

MV7844

SUPERBRIGHTT-1(3mm)LEDLAMP-WATERCLEAR

PE7844DEV

PE78DSeries3.3VPECLClockOscillators

PE7844DEW

PE76D/PE78DSeries2.5VPECLClockOscillators

PE7844DV

PE78DSeries3.3VPECLClockOscillators