iW3614 Datasheet | Dialog Semiconductor

i W3614 AC/DC Digital Power Controller for High Power Factor Dimmable LED Drivers 1.0 Features - - Isolated AC/DC offline 100 VAC / 230 VAC LED driver - - Meets harmonic requirements, high power factor (power factor > 0.9 without dimmer) - - Line frequency ranges from 45Hz to 66Hz - - Intelligent wall dimmer detection xx Leading-edge dimmer xx Trailing-edge dimmer xx No-dimmer detected xx Unsupported dimmer - - Hybrid dimming scheme - - Wide dimming range from 1% up to 100% - - No visible flicker - - Resonant control to achieve high efficiency, 85% without dimmer - - Temperature pensated LED current - - Small size design xx Small size input bulk capacitor xx Small size output capacitor xx Small transformer - - Primary-side sensing eliminates the need for optoisolator feedback and simplifies design - - Tight LED current regulation ± 5% - - Fast start-up, typically 10µA start-up current - - Hot-plug LED module support - - Multiple...