4.5W high power non-isolated buck boost LED driver designed with LNK458KG, with circuit diagram, bill of materials, specification

Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin

High-power led lamp beads 1W white light Sanan 30mil high power LED lamp beads imitation lumens

TP-IP4220CZ6 5V 0.35PF breakdown voltage 6V SOT

Shunuo varistor / ESD varistor / product complete / Sunlord first-class agent

Summary:

This document is an engineering report describing a non-isolated, high efficiency, high power factor TRIAC dimmable LED driver. It can drive LED strings with a rated voltage of 48 V and a current rating of 93 mA over an input voltage range of 90 VAC to 132 VAC (47 Hz - 63 Hz). This project report was designed using the LinkSwitch-PL series of devices LNK458KG.

This document contains LED driver specifications, schematics, PCB design drawings, bill of materials, transformer specification files, and typical performance characteristics.

4.5W high power non-isolated buck boost LED driver PCB physical map

4.5W high power non-isolated buck boost LED driver circuit diagram

4.5W High Power Non-Isolated Buck Boost LED Driver PCB Layout

See the uploading documentation for details (click to download)