iW3605 Datasheet | Dialog Semiconductor

i W3605 AC/DC Digital Power Controller for Bleederless Single-Stage High Power Factor Dimmable LED Drivers 1.0 Features 2.0 Description - - Isolated/non-isolated offline120VAC/230VAC LED driver up to 25W output power - - Wide line frequency range (from 45Hz to 66Hz) - - Meets IEC61000-3-2 Current Harmonic requirement - - Total harmonic distortion < 20% with PF > 0.92 - - Wide dimmer patibility xx Leading-edge dimmer xx Trailing-edge dimmer - - No bleeder needed with output power down to 5W for 120VAC/230VAC - - Resonant control to achieve high efficiency (typical > 82% without dimmer) - - Over-temperature LED current foldback - - Small solution size xx Single-stage topology reduces part counts xx 90k Hz maximum switching frequency enables the use of a small transformer - - Primary-side sensing eliminates the need for opto-isolator feedback - - Tight LED current regulation (± 5%) - - Fast start-up (< 0.5s without dimmer) - - patible with...