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iW3629

Part Number	iW3629
Manufacturer	Dialog Semiconductor
Description	Digital Off-Line LED Driver
Published	May 7, 2018
Detailed Description	iW3629 Two-Stage, Flickerless™ Digital Off-Line LED Driver with High PF and Low THD 1 Description The iW3629 is a high-p...
Datasheet	iW3629 PDF File

Overview

iW3629 Two-Stage, Flickerless™ Digital Off-Line LED Driver with High PF and Low THD 1 Description The iW3629 is a high-performance AC/DC off-line digital power supply controller for LED luminaires up to 120W or above.
The two-stage design combines high power factor (PF > 0.
95), low total harmonic distortion (THD <10%) and negligible line frequency ripple (< 5%) to make the iW3629 ideal for high-power non-dimmable LED lamps and luminaires.
The two-stage approach allows the first-stage boost converter to convert the rectified AC voltage (90VAC to 277VAC) to an intermediate voltage while correcting for power factor.
The second-stage flyback converter then provides the constant current regulatio...

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