ob3330 is a high power factor, primary side regulation ledcontroller with advanced technology to provide high efficiency andhigh constant current precision control for led lightingapplications. ob3330 achieves comprehensive protection feature, lowexternal component count and low ripple current. ob3330 solutioncan be easily designed and manufactured for high performance ledlighting application.features: ◆ primary-side control withsingle stage pfc topology (pf>0.9)◆ high current accuracy ◆analog multiplier for high power factor correction◆ transition mode(tm) operation to achieve high efficiency◆ eliminate opto-couplerand tl431 to reduce bom count◆ ultra-low start-up current andoperating current◆ soft-start function◆ cycle-by-cycle currentlimiting (ocp)◆ selectable threshold of ocp◆ vcc under voltagelockout (uvlo)◆ vcc over voltage protection◆ output over voltageprotection◆ over-temperature protection◆ led open and short circuitprotection ◆ available in sop8 package, rohscompliantapplications: ◆ led bulb, par, tube◆ led down light,floodlight◆ external led driver moduletypical application:

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深圳市博源芯电子有限公司
陈先生
13538132884
华强北电子市场