No Input Electrolytic Capacitor Required, IEC61000-3-2 Class-C Isolated LED Driver IC LC5540LD Series Data Sheet Description The LC5540LD series are isolated LED drivers in which a power MOSFET and a control IC are highly integrated.
The IC provides the systems that can comply with the harmonics standard (IEC61000-3-2 Class C) in all conditions, including a light load condition.
These systems, moreover, can be achieved without an input electrolytic capacitor.
The IC employs the average current and quasi-resonant controls: the average current control realizes high power factors, whereas the quasi-resonant control contributes to high efficiency and low noise.
Having a rich set of protection ...

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