iW3609
iW3609 is AC/DC Digital Power Controller manufactured by iWatt.
i W3609 Product Brief
AC/DC Digital Power Controller for Single-Stage High Power Factor Dimmable LED Drivers
1.0 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 90k Hz maximum switching frequency enables the use of a small transformer
- - Primary-side sensing eliminates the need for optoisolator feedback
- - Tight LED current regulation (± 5%)
- - Fast start-up (< 0.5s without dimmer)
- - patible with NEMA SSL6 dimming curve...
