Summary:
This document describes a stand-alone, high power factor (PF), thyristor dimming LED driver design. It is used to drive a 15 V rated LED string voltage from 90 VAC to 132 VAC with an input voltage range of 500 mA. This LED driver is designed using the LYT4211E device from the LYTSwitch-4 family.
This document includes power specifications, circuit diagrams, bill of materials, transformer documentation, printed circuit board layout, and performance data.
7.5W non-isolated tap buck, high power factor correction LED driver PCB physical map
7.5W Non-Isolated Tap Buck, High Power Factor Correction LED Driver PCB Layout
7.5W non-isolated tap step-down, high power factor correction LED driver circuit diagram
See the uploading documentation for details (click to download)
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