iW3688

iW3688 AC/DC Advanced Digital Power Controller for Single-Stage Dimmable LED Drivers 1.0 Features 2.0 Description ●● Isolated/non-isolated off-line 120VAC/230VAC LED driver up to 20W output power ●● Wide line frequency range (from 45Hz to 66Hz) ●● Meets IEC61000-3-2 current harmonic requirement The iW3688 is a single-stage, high-performance AC/DC off-line power supply controller for dimmable LED luminaires. It applies advanced digital control technology to detect the dimmer type, enabling it to provide dynamic impedance to interface with the dimmer and to control the LED brightness at the same time. ●● Total harmonic distortion < 20% with PF > 0.92 ●● Excellent dimmer compatibility xx Leading-edge dimmer xx Trailing-edge dimmer xx Digital smart dimmer ●● Wide dimming range of 1% to 100% ●● Intelligent digital control integrating current sink function into power switching circuit ●● Advanced IC power management and voltage sensing enables the use of...