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iW3610

iWatt
Part Number iW3610
Manufacturer iWatt
Description AC/DC Digital Power Controller
Published May 1, 2015
Detailed Description iW3610 AC/DC Digital Power Controller for Dimmable LED Drivers 1.0 Features 2.0 Description ●● Isolated AC/DC offline...
Datasheet PDF File iW3610 PDF File

iW3610
iW3610

Overview
iW3610 AC/DC Digital Power Controller for Dimmable LED Drivers 1.
0 Features 2.
0 Description ●● Isolated AC/DC offline 100 Vac / 230 Vac ●● Line frequency ranges from 47 Hz to 64 Hz ●● Intelligent wall dimmer detection xx Leading-edge xx Trailing-edge xx No-dimmer detected xx Unsupported dimmer ●● Hybrid dimming scheme ●● Wide dimming range from 2% up to 100% ●● No visible flicker ●● Resonant control to achieve high efficiency, 85% without dimmer ●● Meets Harmonic Requirement, high power factor (0.
9) without dimmer ●● Temperature control to adjust LED brightness ●● Small size design xx small size input bulk capacitor xx small size output capacitor xx smallest transformer ●● Primary-side sensing eliminates the need for optoisolator feedback and simplifies design The iW3610 is a high performance AC/DC offline power supply controller for dimmable LED luminaires, which uses advanced digital control technology to detect the dimmer type and phase.
The dimmer conduction phase controls the LED brightness.
The LED brightness is modulated by PWM-dimming.
The dimming frequency is selectable via product options.
iW3610’s unique digital control technology eliminates visible flicker.
iW3610 can operate with all dimmer schemes including: leading-edge dimmer, trailing-edge dimmer, as well as other dimmer configurations such as R-type, R-C type or R-L type.
When a dimmer is not present, the controller can automatically detect that there is no dimmer.
iW3610 operates in quasi-resonant mode to provide high efficiency.
Also the iW3610 provides a number of key built-in features.
Since the iW3610 uses iWatt’s advanced primary-side sensing technology, it achieves excellent line and load regulation without secondary feedback circuitry.
In addition, iW3610’s pulse-by-pulse waveform analysis allows for accurate LED current regulation.
The iW3610 also maintains stability over all operating conditions without the need for loop compensation components.
Therefore, the iW3610 minimizes externa...


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