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IWATT series
The iW3614 - Digital Dimmable LED light program.
分类:IWATT series 来源:网络 发布:2013-03-26 16:31:26
Download IW3614 PDF document iW3614 AC/DC Digital Power Controller for High Power Factor Dimmable LED Drivers 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 ..Leading-edge dimmer .. Trailing-edge dimmer ..No-dimmer detected .. 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 ..Small size input bulk capacitor ..Small size output capacitor .. 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: .. LED open circuit protection ..Single-fault protection ..Over-current protection ..LED short circuit protection ..Current sense resistor short circuit protection ..Over-temperature protection ..Input over-voltage protection
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