LC5556LD driver equivalent, single-stage power factor corrected high efficiency non-isolated buck led driver.
* PWM and quasi-resonant topology
* Integrated on-time control circuit (it realizes high power factor by average current control)
* Integrated soft-start circ.
The controller adapts the average current control method for realizing high power factors. The rich set of protection f.
LC5550LD series are PWM and quasi-resonant topology non-isolated buck LED driver ICs. They incorporate separate controller and power MOSFET chips, and are designed for input capacitorless applications. The controller adapts the average current contro.
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