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WS3440

Part Number	WS3440
Manufacturer	WINSEMI
Description	Constant Current Controller
Published	Jul 6, 2016
Detailed Description	WS3440 Product Description Constant Current Controller For Non-isolated Buck LED Driver Features � Inductor Current Cr...
Datasheet	WS3440 PDF File

Overview

WS3440 Product Description Constant Current Controller For Non-isolated Buck LED Driver Features � Inductor Current Critical Mode, No Need to Compensate the Inductance Variation � Source Driver Structure, Not Need the Auxiliary Winding for VCC � ±3% LED Current Accuracy � Up to 93% System Efficiency � LED Short Circuit Protection � Current Sense Resistor Short Circuit Protection � Over Temperature Protection � Programmable LED open protection Applications � LED Bulb � LED Candle light � LED Spot light � Decorative LED lighting General Description The WS3440 is a high precision constant current controller， designed for non-isolated buck LED driver.
suitable for AC input voltage range (84V-...

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