SD6857 controller equivalent, primary side controlled led controller.
* Active power factor correction (APFC) * PSR CC/CV * Ultra-low start-up current * Primary side control * Leading edge blanking * Pulse-Frequency Modulation(PFM) * VCC ov.
* LED lamp * Illuminance with AC input
ORDERING INFORMATION
Part No. SD6857 SD6857TR
Package SOP-8-225-1.27 SOP-8-225.
SD6857 is the primary side controlled LED controller with PFC. It adopts PFM technology for providing accurate constant current control with high average efficiency. With SD6857, opto-couple, secondary feedback control, loop compensation circuit can .
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