iW3609 Overview
iW3609 Product Brief AC/DC Digital Power Controller for Single-Stage High Power Factor Dimmable LED Drivers 1.0.
iW3609 Key Features
- Isolated/non-isolated offline120VAC/230VAC LED driver up to 15W 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
- Selectable dimming range of 1% to 100% or 10% to 100%
- 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 90kHz maximum switching frequency enables the use of
- Primary-side sensing eliminates the need for optoisolator feedback
