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IW3602-00 Datasheet(PDF) 1 Page - Dialog Semiconductor |
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IW3602-00 Datasheet(HTML) 1 Page - Dialog Semiconductor |
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1 / 18 page  iW3602-00 AC/DC Digital Power Controller for Dimmable LED Drivers Rev. 0.8 Preliminary iW3602-00 © 2014 Dialog Semiconductor (UK) Ltd. Datasheet 1 of 20 1.0 Features ● Isolated AC/DC offline 100VAC LED driver ● Line frequency ranges from 45 Hz to 66 Hz ● Intelligent wall dimmer detection x Leading-edge dimmer x No-dimmer detected x 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 compensated LED current ● Small size design x Small size input bulk capacitor x Small size output capacitor x Small transformer ● Primary-side sensing eliminates the need for opto- isolator feedback and simplifies design ● Tight LED current regulation ± 5% ● Fast start-up, typically 10µA start-up current ● Hot-plug LED module support ● Multiple protection features: x LED open circuit protection x Single-fault protection x Over-current protection x LED short circuit protection x Current sense resistor short circuit protection x Over-temperature protection x Input over-voltage protection ● Up to 10W output power 2.0 Description The iW3602-00 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 iW3602-00’s unique digital control technology eliminates visible flicker. The iW3602-00 can operate with all dimmer schemes including: leading-edge dimmer, as well as other dimmer configurations such as R-type, or R-L type. When a dimmer is not present, the controller can automatically detect that there is no dimmer. The iW3602-00 operates in a quasi-resonant mode to provide high efficiency. The iW3602-00 provides a number of key built-in features. The iW3602-00 uses Dialog’s advanced primary-side sensing technology to achieve excellent line and load regulation without secondary feedback circuitry. In addition, the iW3602-00’s pulse-by-pulse waveform analysis technology allows accurate LED current regulation. The iW3602-00 maintains stability over all operating conditions without the need for loop compensation components. Therefore, the iW3602-00 minimizes external component count, simplifies EMI design and lowers overall bill of materials cost. 3.0 Applications ● Dimmable LED luminaires ● Optimized for 3W to 10W output power |
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