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LYT4323E3
Led Driver, 1 Output, Buck-Boost, Flyback, 160VAC-300VAC in, 132kHz switch, eSIP-6
產品訊息
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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.
產品總覽
LYTSwitch™-4 is a single-stage accurate primary-side constant current (CC) controller with PFC for high-line applications with TRIAC dimming and non-dimming options. LYTSwitch-4 ICs are highly integrated and employ a primary-side control technique that eliminates the optoisolator and reduces component count. This allows the use of low-cost single-sided printed circuit boards. Combining PFC and CC functions into a single-stage also helps reduce cost and increase efficiency. The 132KHz switching frequency permits the use of small, low cost magnetics. LED drivers using the LYTSwitch-4 family do not use primary side aluminium electrolytic bulk capacitors. This means greatly extended driver lifetime, especially in bulb and other high temperature applications. LYTSwitch-4 family provides excellent turn-on characteristics for leading-edge and trailing-edge TRIAC dimming applications.
- Minimum output power of 8W at CBP = 47µF and 18W at CBP = 4.7µF
- Better than ±5% CC regulation, TRIAC dimmable to less than 5% output
- Fast start-up, <250ms at full brightness, <1s at 10% brightness
- High power factor >0.9, up to 92% efficient
- Easily meets EN61000-3-2, less than 10% THD in optimized designs
- 132KHz switching frequency for small magnetics
- High performance, combined driver, controller, switch
- Enables LED drivers with high PF which easily meet international requirements for THD/harmonics
- Output current is tightly regulated with better than ±5% CC tolerance
- Supports a wide selection of TRIAC dimmers
警告
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
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