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FAN3850X Datasheet(PDF) 4 Page - Fairchild Semiconductor |
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FAN3850X Datasheet(HTML) 4 Page - Fairchild Semiconductor |
4 / 8 page FLYBACK CONTROLLERS Small-Spaced Dimming Challenges Solved with LED Lamp Driver IC LED LAMP DRIVER IC Advantages • Highfunctionaldensityina smallformfactor • Upto60%boardspace savingscomparedtoother solutions • Upto20%lowerbillof materialcostscompared toothersolutions • Digitalpowerfactor(PF) realizationgreaterthan0.9 • Lowertotalharmonic distortion(THD) • 90%electricalefficiency • MeetsworldwideEnergyStar® regulations Applications • Decorativelighting • Low-powerlighting For more information, please visit: www.fairchildsemi.com/pf/FL/FL7701.html www.fairchildsemi.com/ledlighting Engineering Connections Need to Design a Dimmable LED Lamp Small Enough to Fit Existing Sockets? Read the latest in our blog at www.fairchildsemi.com/engineeringconnections. With Fairchild’s FL7701 smart non-isolated Buck LED driver with power factor correction, designers attain efficient dimming solutions that also fit within exist- ing sockets. Because the need to work reliably in a small space while providing high efficiency is imperative, the device uses a digital technique that allows it to automatically detect the AC input voltage condition. A special internal reference signal is then created, resulting in high power factor correction. The FL7701 will work from a DC input voltage condition, automatically sensing AC versus DC input voltage conditions. It also combines high functional density to create the smallest form factor and allows designers to save up to 20% BOM costs and up to 60% board space savings. The LED driver provides energy savings that meet the most stringent worldwide regulations, such as Energy Star®. Designers also benefit from the high degree of integration offered by the FL7701. The result is increased luminary lifespan to more than five years (current solution only achieves three years.) And reli- ability is also improved since no electrolytic capacitors for the input, output or the FL7701 V DD supply are required. Typical application Product Number Topology PFC Dimming CC Variance (%) Frequency (kHz) Package FL7701 Non-Isolation PFC Buck Yes Yes 3 Variable SOIC-8 |
Número de pieza similar - FAN3850X |
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Descripción similar - FAN3850X |
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